Add an OOM fault injection test for the new code on this branch.

FossilOrigin-Name: c96de490ac77dd23c108004b95152cce4922fe27

Makefile.in

@@ -393,6 +393,7 @@ TESTSRC = \
 TESTSRC += \
   $(TOP)/ext/misc/amatch.c \
   $(TOP)/ext/misc/closure.c \
+  $(TOP)/ext/misc/fileio.c \
   $(TOP)/ext/misc/fuzzer.c \
   $(TOP)/ext/misc/ieee754.c \
   $(TOP)/ext/misc/nextchar.c \
@@ -941,6 +942,9 @@ sqlite3_analyzer$(TEXE): sqlite3_analyzer.c
 showdb$(TEXE):	$(TOP)/tool/showdb.c sqlite3.c
 	$(LTLINK) -o $@ $(TOP)/tool/showdb.c sqlite3.c $(TLIBS)
 
+LogEst$(TEXE):	$(TOP)/tool/logest.c sqlite3.h
+	$(LTLINK) -I. -o $@ $(TOP)/tool/logest.c
+
 wordcount$(TEXE):	$(TOP)/test/wordcount.c sqlite3.c
 	$(LTLINK) -o $@ $(TOP)/test/wordcount.c sqlite3.c $(TLIBS)
 

Makefile.msc

@@ -862,6 +862,7 @@ TESTSRC = \
 TESTEXT = \
   $(TOP)\ext\misc\amatch.c \
   $(TOP)\ext\misc\closure.c \
+  $(TOP)\ext\misc\fileio.c \
   $(TOP)\ext\misc\fuzzer.c \
   $(TOP)\ext\misc\ieee754.c \
   $(TOP)\ext\misc\nextchar.c \
@@ -1434,6 +1435,9 @@ showdb.exe:	$(TOP)\tool\showdb.c $(SQLITE3C)
 	$(LTLINK) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
 		$(TOP)\tool\showdb.c $(SQLITE3C)
 
+LogEst.exe:	$(TOP)\tool\logest.c sqlite3.h
+	$(LTLINK) -Fe$@ $(TOP)\tool\LogEst.c
+
 wordcount.exe:	$(TOP)\test\wordcount.c $(SQLITE3C)
 	$(LTLINK) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
 		$(TOP)\test\wordcount.c $(SQLITE3C)

ext/fts3/fts3.c

@@ -1376,7 +1376,7 @@ static int fts3InitVtab(
     int n = (int)strlen(p->azColumn[iCol]);
     for(i=0; i<nNotindexed; i++){
       char *zNot = azNotindexed[i];
-      if( zNot && strlen(zNot)==n 
+      if( zNot && n==(int)strlen(zNot)
        && 0==sqlite3_strnicmp(p->azColumn[iCol], zNot, n) 
       ){
         p->abNotindexed[iCol] = 1;

ext/fts3/fts3_expr.c

@@ -502,7 +502,7 @@ static int getNextNode(
       return rc;
     }else if( *zInput==')' ){
       pParse->nNest--;
-      *pnConsumed = (zInput - z) + 1;
+      *pnConsumed = (int)((zInput - z) + 1);
       *ppExpr = 0;
       return SQLITE_DONE;
     }

ext/fts3/fts3_write.c

@@ -3065,7 +3065,7 @@ static int fts3PromoteSegments(
     sqlite3_bind_int64(pRange, 1, iAbsLevel+1);
     sqlite3_bind_int64(pRange, 2, iLast);
     while( SQLITE_ROW==sqlite3_step(pRange) ){
-      i64 nSize, dummy;
+      i64 nSize = 0, dummy;
       fts3ReadEndBlockField(pRange, 2, &dummy, &nSize);
       if( nSize<=0 || nSize>nLimit ){
         /* If nSize==0, then the %_segdir.end_block field does not not 
@@ -4870,7 +4870,7 @@ int sqlite3Fts3Incrmerge(Fts3Table *p, int nMerge, int nMin){
       rc = fts3IncrmergeOutputIdx(p, iAbsLevel, &iIdx);
       assert( bUseHint==1 || bUseHint==0 );
       if( iIdx==0 || (bUseHint && iIdx==1) ){
-        int bIgnore;
+        int bIgnore = 0;
         rc = fts3SegmentIsMaxLevel(p, iAbsLevel+1, &bIgnore);
         if( bIgnore ){
           pFilter->flags |= FTS3_SEGMENT_IGNORE_EMPTY;
@@ -5174,34 +5174,36 @@ static int fts3IntegrityCheck(Fts3Table *p, int *pbOk){
       int iCol;
 
       for(iCol=0; rc==SQLITE_OK && iCol<p->nColumn; iCol++){
-        const char *zText = (const char *)sqlite3_column_text(pStmt, iCol+1);
-        int nText = sqlite3_column_bytes(pStmt, iCol+1);
-        sqlite3_tokenizer_cursor *pT = 0;
+        if( p->abNotindexed[iCol]==0 ){
+          const char *zText = (const char *)sqlite3_column_text(pStmt, iCol+1);
+          int nText = sqlite3_column_bytes(pStmt, iCol+1);
+          sqlite3_tokenizer_cursor *pT = 0;
 
-        rc = sqlite3Fts3OpenTokenizer(p->pTokenizer, iLang, zText, nText, &pT);
-        while( rc==SQLITE_OK ){
-          char const *zToken;       /* Buffer containing token */
-          int nToken = 0;           /* Number of bytes in token */
-          int iDum1 = 0, iDum2 = 0; /* Dummy variables */
-          int iPos = 0;             /* Position of token in zText */
+          rc = sqlite3Fts3OpenTokenizer(p->pTokenizer, iLang, zText, nText,&pT);
+          while( rc==SQLITE_OK ){
+            char const *zToken;       /* Buffer containing token */
+            int nToken = 0;           /* Number of bytes in token */
+            int iDum1 = 0, iDum2 = 0; /* Dummy variables */
+            int iPos = 0;             /* Position of token in zText */
 
-          rc = pModule->xNext(pT, &zToken, &nToken, &iDum1, &iDum2, &iPos);
-          if( rc==SQLITE_OK ){
-            int i;
-            cksum2 = cksum2 ^ fts3ChecksumEntry(
-                zToken, nToken, iLang, 0, iDocid, iCol, iPos
-            );
-            for(i=1; i<p->nIndex; i++){
-              if( p->aIndex[i].nPrefix<=nToken ){
-                cksum2 = cksum2 ^ fts3ChecksumEntry(
-                  zToken, p->aIndex[i].nPrefix, iLang, i, iDocid, iCol, iPos
-                );
+            rc = pModule->xNext(pT, &zToken, &nToken, &iDum1, &iDum2, &iPos);
+            if( rc==SQLITE_OK ){
+              int i;
+              cksum2 = cksum2 ^ fts3ChecksumEntry(
+                  zToken, nToken, iLang, 0, iDocid, iCol, iPos
+              );
+              for(i=1; i<p->nIndex; i++){
+                if( p->aIndex[i].nPrefix<=nToken ){
+                  cksum2 = cksum2 ^ fts3ChecksumEntry(
+                      zToken, p->aIndex[i].nPrefix, iLang, i, iDocid, iCol, iPos
+                  );
+                }
               }
             }
           }
+          if( pT ) pModule->xClose(pT);
+          if( rc==SQLITE_DONE ) rc = SQLITE_OK;
         }
-        if( pT ) pModule->xClose(pT);
-        if( rc==SQLITE_DONE ) rc = SQLITE_OK;
       }
     }
 

ext/misc/compress.c

@@ -0,0 +1,107 @@
+/*
+** 2014-06-13
+**
+** The author disclaims copyright to this source code.  In place of
+** a legal notice, here is a blessing:
+**
+**    May you do good and not evil.
+**    May you find forgiveness for yourself and forgive others.
+**    May you share freely, never taking more than you give.
+**
+******************************************************************************
+**
+** This SQLite extension implements SQL compression functions
+** compress() and uncompress() using ZLIB.
+*/
+#include "sqlite3ext.h"
+SQLITE_EXTENSION_INIT1
+#include <zlib.h>
+
+/*
+** Implementation of the "compress(X)" SQL function.  The input X is
+** compressed using zLib and the output is returned.
+**
+** The output is a BLOB that begins with a variable-length integer that
+** is the input size in bytes (the size of X before compression).  The
+** variable-length integer is implemented as 1 to 5 bytes.  There are
+** seven bits per integer stored in the lower seven bits of each byte.
+** More significant bits occur first.  The most significant bit (0x80)
+** is a flag to indicate the end of the integer.
+*/
+static void compressFunc(
+  sqlite3_context *context,
+  int argc,
+  sqlite3_value **argv
+){
+  const unsigned char *pIn;
+  unsigned char *pOut;
+  unsigned int nIn;
+  unsigned long int nOut;
+  unsigned char x[8];
+  int i, j;
+
+  pIn = sqlite3_value_blob(argv[0]);
+  nIn = sqlite3_value_bytes(argv[0]);
+  nOut = 13 + nIn + (nIn+999)/1000;
+  pOut = sqlite3_malloc( nOut+5 );
+  for(i=4; i>=0; i--){
+    x[i] = (nIn >> (7*(4-i)))&0x7f;
+  }
+  for(i=0; i<4 && x[i]==0; i++){}
+  for(j=0; i<=4; i++, j++) pOut[j] = x[i];
+  pOut[j-1] |= 0x80;
+  compress(&pOut[j], &nOut, pIn, nIn);
+  sqlite3_result_blob(context, pOut, nOut+j, sqlite3_free);
+}
+
+/*
+** Implementation of the "uncompress(X)" SQL function.  The argument X
+** is a blob which was obtained from compress(Y).  The output will be
+** the value Y.
+*/
+static void uncompressFunc(
+  sqlite3_context *context,
+  int argc,
+  sqlite3_value **argv
+){
+  const unsigned char *pIn;
+  unsigned char *pOut;
+  unsigned int nIn;
+  unsigned long int nOut;
+  int rc;
+  int i;
+
+  pIn = sqlite3_value_blob(argv[0]);
+  nIn = sqlite3_value_bytes(argv[0]);
+  nOut = 0;
+  for(i=0; i<nIn && i<5; i++){
+    nOut = (nOut<<7) | (pIn[i]&0x7f);
+    if( (pIn[i]&0x80)!=0 ){ i++; break; }
+  }
+  pOut = sqlite3_malloc( nOut+1 );
+  rc = uncompress(pOut, &nOut, &pIn[i], nIn-i);
+  if( rc==Z_OK ){
+    sqlite3_result_blob(context, pOut, nOut, sqlite3_free);
+  }
+}
+
+
+#ifdef _WIN32
+__declspec(dllexport)
+#endif
+int sqlite3_compress_init(
+  sqlite3 *db, 
+  char **pzErrMsg, 
+  const sqlite3_api_routines *pApi
+){
+  int rc = SQLITE_OK;
+  SQLITE_EXTENSION_INIT2(pApi);
+  (void)pzErrMsg;  /* Unused parameter */
+  rc = sqlite3_create_function(db, "compress", 1, SQLITE_UTF8, 0,
+                               compressFunc, 0, 0);
+  if( rc==SQLITE_OK ){
+    rc = sqlite3_create_function(db, "uncompress", 1, SQLITE_UTF8, 0,
+                                 uncompressFunc, 0, 0);
+  }
+  return rc;
+}

ext/misc/fileio.c

@@ -0,0 +1,103 @@
+/*
+** 2014-06-13
+**
+** The author disclaims copyright to this source code.  In place of
+** a legal notice, here is a blessing:
+**
+**    May you do good and not evil.
+**    May you find forgiveness for yourself and forgive others.
+**    May you share freely, never taking more than you give.
+**
+******************************************************************************
+**
+** This SQLite extension implements SQL functions readfile() and
+** writefile().
+*/
+#include "sqlite3ext.h"
+SQLITE_EXTENSION_INIT1
+#include <stdio.h>
+
+/*
+** Implementation of the "readfile(X)" SQL function.  The entire content
+** of the file named X is read and returned as a BLOB.  NULL is returned
+** if the file does not exist or is unreadable.
+*/
+static void readfileFunc(
+  sqlite3_context *context,
+  int argc,
+  sqlite3_value **argv
+){
+  const char *zName;
+  FILE *in;
+  long nIn;
+  void *pBuf;
+
+  zName = (const char*)sqlite3_value_text(argv[0]);
+  if( zName==0 ) return;
+  in = fopen(zName, "rb");
+  if( in==0 ) return;
+  fseek(in, 0, SEEK_END);
+  nIn = ftell(in);
+  rewind(in);
+  pBuf = sqlite3_malloc( nIn );
+  if( pBuf && 1==fread(pBuf, nIn, 1, in) ){
+    sqlite3_result_blob(context, pBuf, nIn, sqlite3_free);
+  }else{
+    sqlite3_free(pBuf);
+  }
+  fclose(in);
+}
+
+/*
+** Implementation of the "writefile(X,Y)" SQL function.  The argument Y
+** is written into file X.  The number of bytes written is returned.  Or
+** NULL is returned if something goes wrong, such as being unable to open
+** file X for writing.
+*/
+static void writefileFunc(
+  sqlite3_context *context,
+  int argc,
+  sqlite3_value **argv
+){
+  FILE *out;
+  const char *z;
+  int n;
+  sqlite3_int64 rc;
+  const char *zFile;
+
+  zFile = (const char*)sqlite3_value_text(argv[0]);
+  if( zFile==0 ) return;
+  out = fopen(zFile, "wb");
+  if( out==0 ) return;
+  z = (const char*)sqlite3_value_blob(argv[1]);
+  if( z==0 ){
+    n = 0;
+    rc = 0;
+  }else{
+    n = sqlite3_value_bytes(argv[1]);
+    rc = fwrite(z, 1, n, out);
+  }
+  fclose(out);
+  sqlite3_result_int64(context, rc);
+}
+
+
+#ifdef _WIN32
+__declspec(dllexport)
+#endif
+int sqlite3_fileio_init(
+  sqlite3 *db, 
+  char **pzErrMsg, 
+  const sqlite3_api_routines *pApi
+){
+  int rc = SQLITE_OK;
+  SQLITE_EXTENSION_INIT2(pApi);
+  (void)pzErrMsg;  /* Unused parameter */
+  rc = sqlite3_create_function(db, "readfile", 1, SQLITE_UTF8, 0,
+                               readfileFunc, 0, 0);
+  if( rc==SQLITE_OK ){
+    rc = sqlite3_create_function(db, "writefile", 2, SQLITE_UTF8, 0,
+                                 writefileFunc, 0, 0);
+  }
+  return rc;
+}

ext/rtree/rtree6.test

@@ -92,7 +92,13 @@ do_eqp_test rtree6.2.3 {
   0 1 1 {SEARCH TABLE t2 USING INTEGER PRIMARY KEY (rowid=?)}
 }
 
-do_eqp_test rtree6.2.4 {
+do_eqp_test rtree6.2.4.1 {
+  SELECT * FROM t1,t2 WHERE v=+ii and x1<10 and x2>10
+} {
+  0 0 0 {SCAN TABLE t1 VIRTUAL TABLE INDEX 2:C0E1} 
+  0 1 1 {SEARCH TABLE t2 USING AUTOMATIC COVERING INDEX (v=?)}
+}
+do_eqp_test rtree6.2.4.2 {
   SELECT * FROM t1,t2 WHERE v=10 and x1<10 and x2>10
 } {
   0 0 0 {SCAN TABLE t1 VIRTUAL TABLE INDEX 2:C0E1} 

magic.txt

@@ -28,4 +28,5 @@
 >68  belong  =0x47504b47  OGC GeoPackage file -
 >68  belong  =0x47503130  OGC GeoPackage version 1.0 file -
 >68  belong  =0x45737269  Esri Spatially-Enabled Database -
+>68  belong  =0x4d504258  MBTiles tileset -
 >0   string  =SQLite      SQLite3 database

main.mk

@@ -277,6 +277,7 @@ TESTSRC = \
 TESTSRC += \
   $(TOP)/ext/misc/amatch.c \
   $(TOP)/ext/misc/closure.c \
+  $(TOP)/ext/misc/fileio.c \
   $(TOP)/ext/misc/fuzzer.c \
   $(TOP)/ext/misc/ieee754.c \
   $(TOP)/ext/misc/nextchar.c \
@@ -631,6 +632,9 @@ showdb$(EXE):	$(TOP)/tool/showdb.c sqlite3.c
 	$(TCC) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -o showdb$(EXE) \
 		$(TOP)/tool/showdb.c sqlite3.c
 
+LogEst$(EXE):	$(TOP)/tool/logest.c sqlite3.h
+	$(TCC) -o LogEst$(EXE) $(TOP)/tool/logest.c
+
 wordcount$(EXE):	$(TOP)/test/wordcount.c sqlite3.c
 	$(TCC) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -o wordcount$(EXE) \
 		$(TOP)/test/wordcount.c sqlite3.c

manifest

@@ -1,9 +1,9 @@
-C Minor\senhancements\sto\scomments\sand\sclarification\sof\sthe\scode.
-D 2014-05-26T22:01:00.008
+C Add\san\sOOM\sfault\sinjection\stest\sfor\sthe\snew\scode\son\sthis\sbranch.
+D 2014-06-28T19:06:49.846
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
-F Makefile.in dd2b1aba364ff9b05de41086f74407f285c57670
+F Makefile.in b03432313a3aad96c706f8164fb9f5307eaf19f5
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
-F Makefile.msc 52911c6bfeaf9b40f47ef4615ab66d98ab0f2b3d
+F Makefile.msc b2d3ac211b479fa5a6c9aaf3b9c49fdea900d228
 F Makefile.vxworks 034289efa9d591b04b1a73598623119c306cbba0
 F README.md 64f270c43c38c46de749e419c22f0ae2f4499fe8
 F VERSION 9f823c026c6a32fc5f84d212a8aae0a221dba45c
@@ -78,11 +78,11 @@ F ext/fts3/README.content fdc666a70d5257a64fee209f97cf89e0e6e32b51
 F ext/fts3/README.syntax a19711dc5458c20734b8e485e75fb1981ec2427a
 F ext/fts3/README.tokenizers e0a8b81383ea60d0334d274fadf305ea14a8c314
 F ext/fts3/README.txt 8c18f41574404623b76917b9da66fcb0ab38328d
-F ext/fts3/fts3.c 0a9813c01ce7cc33d63680725ea30755d77c7b39
+F ext/fts3/fts3.c 20bc65862cfcea0a39bb64a819f8fe92a8e144c1
 F ext/fts3/fts3.h 3a10a0af180d502cecc50df77b1b22df142817fe
 F ext/fts3/fts3Int.h 16cddf2d7b0e5f3681615ae1d8ca0e45fca44918
 F ext/fts3/fts3_aux.c 5c211e17a64885faeb16b9ba7772f9d5445c2365
-F ext/fts3/fts3_expr.c 2ac35bda474f00c14c19608e49a02c8c7ceb9970
+F ext/fts3/fts3_expr.c 351395fad6fcb16ecfc61db0861008a70101330c
 F ext/fts3/fts3_hash.c 29b986e43f4e9dd40110eafa377dc0d63c422c60
 F ext/fts3/fts3_hash.h 39cf6874dc239d6b4e30479b1975fe5b22a3caaf
 F ext/fts3/fts3_icu.c e319e108661147bcca8dd511cd562f33a1ba81b5
@@ -96,7 +96,7 @@ F ext/fts3/fts3_tokenizer.h 64c6ef6c5272c51ebe60fc607a896e84288fcbc3
 F ext/fts3/fts3_tokenizer1.c 5c98225a53705e5ee34824087478cf477bdb7004
 F ext/fts3/fts3_unicode.c 92391b4b4fb043564c6539ea9b8661e3bcba47b9
 F ext/fts3/fts3_unicode2.c 0113d3acf13429e6dc38e0647d1bc71211c31a4d
-F ext/fts3/fts3_write.c 9e4e8579ad26cff3ee7743aaf5c3fe937fc441b4
+F ext/fts3/fts3_write.c 8260388626516a7005d06a9dce94f9e55c6c2a41
 F ext/fts3/fts3speed.tcl b54caf6a18d38174f1a6e84219950d85e98bb1e9
 F ext/fts3/mkfts3amal.tcl 252ecb7fe6467854f2aa237bf2c390b74e71f100
 F ext/fts3/tool/fts3view.c 6cfc5b67a5f0e09c0d698f9fd012c784bfaa9197
@@ -108,6 +108,8 @@ F ext/icu/icu.c d415ccf984defeb9df2c0e1afcfaa2f6dc05eacb
 F ext/icu/sqliteicu.h 728867a802baa5a96de7495e9689a8e01715ef37
 F ext/misc/amatch.c 678056a4bfcd83c4e82dea81d37543cd1d6dbee1
 F ext/misc/closure.c 636024302cde41b2bf0c542f81c40c624cfb7012
+F ext/misc/compress.c 76e45655f4046e756064ab10c62e18f2eb846b9f
+F ext/misc/fileio.c beea82bb5055b6590cffe2d2e6d922905894f691
 F ext/misc/fuzzer.c 136533c53cfce0957f0b48fa11dba27e21c5c01d
 F ext/misc/ieee754.c b0362167289170627659e84173f5d2e8fee8566e
 F ext/misc/nextchar.c 35c8b8baacb96d92abbb34a83a997b797075b342
@@ -127,7 +129,7 @@ F ext/rtree/rtree2.test acbb3a4ce0f4fbc2c304d2b4b784cfa161856bba
 F ext/rtree/rtree3.test a494da55c30ee0bc9b01a91c80c81b387b22d2dc
 F ext/rtree/rtree4.test c8fe384f60ebd49540a5fecc990041bf452eb6e0
 F ext/rtree/rtree5.test 6a510494f12454bf57ef28f45bc7764ea279431e
-F ext/rtree/rtree6.test 756585abc51727fec97c77852476445c10c0ee95
+F ext/rtree/rtree6.test 0cfbdf27ee086bf16a3da2c6f2d5b3d6473cb27e
 F ext/rtree/rtree7.test 1fa710b9e6bf997a0c1a537b81be7bb6fded1971
 F ext/rtree/rtree8.test db79c812f9e4a11f9b1f3f9934007884610a713a
 F ext/rtree/rtree9.test d86ebf08ff6328895613ed577dd8a2a37c472c34
@@ -143,8 +145,8 @@ F ext/rtree/tkt3363.test 142ab96eded44a3615ec79fba98c7bde7d0f96de
 F ext/rtree/viewrtree.tcl eea6224b3553599ae665b239bd827e182b466024
 F install-sh 9d4de14ab9fb0facae2f48780b874848cbf2f895 x
 F ltmain.sh 3ff0879076df340d2e23ae905484d8c15d5fdea8
-F magic.txt f439556c5ce01ced70987e5ee86549a45165d9ff
-F main.mk cfa185eed4e0f7e9d28a2e3167cecaa9d6cb39f3
+F magic.txt 8273bf49ba3b0c8559cb2774495390c31fd61c60
+F main.mk 7b1d0be0840f213405c977c87917241158126a33
 F mkopcodec.awk c2ff431854d702cdd2d779c9c0d1f58fa16fa4ea
 F mkopcodeh.awk c6b3fa301db6ef7ac916b14c60868aeaec1337b5
 F mkso.sh fd21c06b063bb16a5d25deea1752c2da6ac3ed83
@@ -159,35 +161,35 @@ F sqlite.pc.in 42b7bf0d02e08b9e77734a47798d1a55a9e0716b
 F sqlite3.1 3d8b83c91651f53472ca17599dae3457b8b89494
 F sqlite3.pc.in 48fed132e7cb71ab676105d2a4dc77127d8c1f3a
 F src/alter.c b00900877f766f116f9e16116f1ccacdc21d82f1
-F src/analyze.c 3596f863bb80126fe56ba217df5932749271efc8
+F src/analyze.c e8c8a9d20beb2ad156321330e8f4fea002d8deee
 F src/attach.c 3801129015ef59d76bf23c95ef9b0069d18a0c52
 F src/auth.c 523da7fb4979469955d822ff9298352d6b31de34
 F src/backup.c a729e63cf5cd1829507cb7b8e89f99b95141bb53
 F src/bitvec.c 19a4ba637bd85f8f63fc8c9bae5ade9fb05ec1cb
 F src/btmutex.c 976f45a12e37293e32cae0281b15a21d48a8aaa7
-F src/btree.c e29fc07a968f8d1bbe38b5736d71db59959f545c
+F src/btree.c 70c60a3807b2072982f184d9614e020d2953f89c
 F src/btree.h 4245a349bfe09611d7ff887dbc3a80cee8b7955a
 F src/btreeInt.h cf180d86b2e9e418f638d65baa425c4c69c0e0e3
-F src/build.c 92539f47043ac9c48921450a9b2162da672bda4a
+F src/build.c 927e39b6aaf872c7b28f154f6acfeb9a05a72442
 F src/callback.c 174e3c8656bc29f91d710ab61550d16eea34be98
 F src/complete.c dc1d136c0feee03c2f7550bafc0d29075e36deac
 F src/ctime.c 0231df905e2c4abba4483ee18ffc05adc321df2a
 F src/date.c 593c744b2623971e45affd0bde347631bdfa4625
 F src/delete.c bcf8f72126cea80fc3d5bc5494cf19b3f8935aaf
-F src/expr.c 4f9e497c66e2f25a4d139357a778c84d5713207c
+F src/expr.c 40d06d1543b1355aa02efa9666178f7642a96ed6
 F src/fault.c 160a0c015b6c2629d3899ed2daf63d75754a32bb
-F src/fkey.c 5269ef07b100763134f71b889327c333bd0989cf
-F src/func.c 2e16316ec3a6365a0dc3e553c586f91b20f7f6c8
+F src/fkey.c a549cff9fe8b736cdae21650ea0af6de29b77619
+F src/func.c 3bc223ea36cd29a91c481485343d0ee4257ab8dc
 F src/global.c 1e4bd956dc2f608f87d2a929abc4a20db65f30e4
 F src/hash.c d139319967164f139c8d1bb8a11b14db9c4ba3cd
 F src/hash.h 8890a25af81fb85a9ad7790d32eedab4b994da22
 F src/hwtime.h d32741c8f4df852c7d959236615444e2b1063b08
-F src/insert.c ac1a00ca5952555ad54911666762ee5d59cb63cd
+F src/insert.c a038daeadfb818aaadafa854f40f5623b6929d84
 F src/journal.c b4124532212b6952f42eb2c12fa3c25701d8ba8d
 F src/legacy.c 0df0b1550b9cc1f58229644735e317ac89131f12
 F src/lempar.c cdf0a000315332fc9b50b62f3b5e22e080a0952b
 F src/loadext.c 867c7b330b740c6c917af9956b13b81d0a048303
-F src/main.c 40d0837e5d0597eadc47c3acc2fc95bdbd9250b8
+F src/main.c 7c2c3cafdd6313c8f9319ebec1565782e624372e
 F src/malloc.c 0203ebce9152c6a0e5de520140b8ba65187350be
 F src/mem0.c 6a55ebe57c46ca1a7d98da93aaa07f99f1059645
 F src/mem1.c c0c990fcaddff810ea277b4fb5d9138603dd5d4b
@@ -205,8 +207,8 @@ F src/os.c 1b147e4cf7cc39e618115c14a086aed44bc91ace
 F src/os.h 60d419395e32a8029fa380a80a3da2e9030f635e
 F src/os_common.h 92815ed65f805560b66166e3583470ff94478f04
 F src/os_setup.h c9d4553b5aaa6f73391448b265b89bed0b890faa
-F src/os_unix.c ae4b5240af4619d711301d7992396e182585269f
-F src/os_win.c 485d06a93965f306c7281fca0937829292367234
+F src/os_unix.c a7baf1b30f3c58ba20b813e01aab23b18ae44f85
+F src/os_win.c 8dbf6c11780fe2eb96c1f289e664d0c7b2911d37
 F src/os_win.h 057344a6720b4c8405d9bd98f58cb37a6ee46c25
 F src/pager.c f6bb1fa6cdf2062f2d8aec3e64db302bca519ab8
 F src/pager.h ffd5607f7b3e4590b415b007a4382f693334d428
@@ -216,21 +218,21 @@ F src/pcache.h a5e4f5d9f5d592051d91212c5949517971ae6222
 F src/pcache1.c 102e6f5a2fbc646154463eb856d1fd716867b64c
 F src/pragma.c 810ef31ccfaa233201dcf100637a9777cc24e897
 F src/prepare.c 677521ab7132615a8a26107a1d1c3132f44ae337
-F src/printf.c e5a0005f8b3de21f85da6a709d2fbee76775bf4b
+F src/printf.c af06f66927919730f03479fed6ae9854f73419f4
 F src/random.c d10c1f85b6709ca97278428fd5db5bbb9c74eece
-F src/resolve.c 273d5f47c4e2c05b2d3d2bffeda939551ab59e66
+F src/resolve.c 5fc110baeacf120a73fe34e103f052632ff11a02
 F src/rowset.c a9c9aae3234b44a6d7c6f5a3cadf90dce1e627be
-F src/select.c a6e8fe35d2929911448fe29fc9194eec73c6c0a5
-F src/shell.c bfac06fb15f3cd0d447e2e72ab3a283fac301813
-F src/sqlite.h.in 564fc23db33870b5096b20d72df7491ce0b8b74f
+F src/select.c 6762c62e11b504aa014edceab8886495165e3a77
+F src/shell.c 56de2dfa3f25def4bf03098f7e2256fbb42f6e3c
+F src/sqlite.h.in a98eb3e8c86c934ea6f5bcfc6b69653dde2f4ed4
 F src/sqlite3.rc 11094cc6a157a028b301a9f06b3d03089ea37c3e
 F src/sqlite3ext.h 886f5a34de171002ad46fae8c36a7d8051c190fc
-F src/sqliteInt.h 1977f44283be0d3b40da315fb4fd9e21c79fadcc
+F src/sqliteInt.h e88614d7371b80ff69dbbb5e4b9813ee93dfd890
 F src/sqliteLimit.h 164b0e6749d31e0daa1a4589a169d31c0dec7b3d
 F src/status.c 7ac05a5c7017d0b9f0b4bcd701228b784f987158
 F src/table.c 2cd62736f845d82200acfa1287e33feb3c15d62e
 F src/tclsqlite.c e87c99e28a145943666b51b212dacae35fcea0bd
-F src/test1.c 899bddeb0c7fb2b8062de6f03af4a4e4f48f9df5
+F src/test1.c 3c8bc491d2f8de5adbbf306533cefc343c733927
 F src/test2.c 98049e51a17dc62606a99a9eb95ee477f9996712
 F src/test3.c 1c0e5d6f080b8e33c1ce8b3078e7013fdbcd560c
 F src/test4.c 9b32d22f5f150abe23c1830e2057c4037c45b3df
@@ -277,25 +279,25 @@ F src/test_vfstrace.c bab9594adc976cbe696ff3970728830b4c5ed698
 F src/test_wsd.c 41cadfd9d97fe8e3e4e44f61a4a8ccd6f7ca8fe9
 F src/tokenize.c 6da2de6e12218ccb0aea5184b56727d011f4bee7
 F src/trigger.c 66f3470b03b52b395e839155786966e3e037fddb
-F src/update.c 5b3e74a03b3811e586b4f2b4cbd7c49f01c93115
-F src/utf.c 6dc9ec9f1b3db43ae8ba0365377f11df1ee4c01c
+F src/update.c 01564b3c430f6c7b0a35afaf7aba7987206fa3a5
+F src/utf.c a0314e637768a030e6e84a957d0c4f6ba910cc05
 F src/util.c 049fe1d3c0e2209c1bee107aec2fcff6285f909f
 F src/vacuum.c 3728d74919d4fb1356f9e9a13e27773db60b7179
-F src/vdbe.c 3ebcbe6a83198045b0411956fc6005b9f4a6991c
-F src/vdbe.h 394464909ed682334aa3d5831aae0c2fe2abef94
-F src/vdbeInt.h e6d83e5bfd62fc6685ba1ed6153f7099f82de9f7
+F src/vdbe.c 9bfe6becfc094382ae213656fbe511055ad83a54
+F src/vdbe.h c63fad052c9e7388d551e556e119c0bcf6bebdf8
+F src/vdbeInt.h 5df5e9afe9b7839cd17256220fc4f7af84b8b1cd
 F src/vdbeapi.c 0ed6053f947edd0b30f64ce5aeb811872a3450a4
-F src/vdbeaux.c e493f38758c4b8f4ca2007cf6a700bd405d192f3
+F src/vdbeaux.c 8ce7dcdbb8c59e5c2194518ce3099b254ae94c15
 F src/vdbeblob.c 9205ce9d3b064d9600f8418a897fc88b5687d9ac
-F src/vdbemem.c 6fc77594c60f6155404f3f8d71bf36d1fdeb4447
-F src/vdbesort.c 4abb7c0f8f19b7d7d82f4558d5da1a30fdf9ea38
+F src/vdbemem.c d90a1e8acf8b63dc9d14cbbea12bfec6cec31394
+F src/vdbesort.c 44441d73b08b3a638dcdb725afffb87c6574ad27
 F src/vdbetrace.c 6f52bc0c51e144b7efdcfb2a8f771167a8816767
 F src/vtab.c 21b932841e51ebd7d075e2d0ad1415dce8d2d5fd
-F src/wal.c 76e7fc6de229bea8b30bb2539110f03a494dc3a8
+F src/wal.c 264df50a1b33124130b23180ded2e2c5663c652a
 F src/wal.h df01efe09c5cb8c8e391ff1715cca294f89668a4
 F src/walker.c 11edb74d587bc87b33ca96a5173e3ec1b8389e45
-F src/where.c b5719b11c414874826c676cf8c8455cb2939a30c
-F src/whereInt.h 6804c2e5010378568c2bb1350477537755296a46
+F src/where.c 84659c308426b20be4efada82a06a26dd6b8545e
+F src/whereInt.h 929c1349b5355fd44f22cee5c14d72b3329c58a6
 F test/8_3_names.test ebbb5cd36741350040fd28b432ceadf495be25b2
 F test/aggerror.test a867e273ef9e3d7919f03ef4f0e8c0d2767944f2
 F test/aggnested.test 45c0201e28045ad38a530b5a144b73cd4aa2cfd6
@@ -333,6 +335,8 @@ F test/auth2.test c3b415b76c033bedb81292118fb7c01f5f10cbcd
 F test/auth3.test a4755e6a2a2fea547ffe63c874eb569e60a28eb5
 F test/autoinc.test c58912526998a39e11f66b533e23cfabea7f25b7
 F test/autoindex1.test 762ff3f8e25d852aae55c6462ca166a80c0cde61
+F test/autoindex2.test 60d2fc6f38364308ce73a9beb01b47ded38697de
+F test/autoindex3.test 8254f689c3241081fad52b7bea18ba53e07e14a2
 F test/autovacuum.test 941892505d2c0f410a0cb5970dfa1c7c4e5f6e74
 F test/autovacuum_ioerr2.test 8a367b224183ad801e0e24dcb7d1501f45f244b4
 F test/avtrans.test 0252654f4295ddda3b2cce0e894812259e655a85
@@ -409,7 +413,7 @@ F test/corruptF.test be9fde98e4c93648f1ba52b74e5318edc8f59fe4
 F test/corruptG.test 1ab3bf97ee7bdba70e0ff3ba2320657df55d1804
 F test/corruptH.test 88ed71a086e13591c917aac6de32750e7c7281cb
 F test/corruptI.test b3e4203d420490fc3d3062711597bc1dea06a789
-F test/cost.test 04842adec34311d70c3f3c5fd698b22be54138fd
+F test/cost.test 19d314526616ce4473eb4e4e450fcb94499ce318
 F test/count.test 42a251178e32f617eda33f76236a7f79825a50b5
 F test/coveridxscan.test cdb47d01acc4a634a34fd25abe85189e0d0f1e62
 F test/crash.test fb9dc4a02dcba30d4aa5c2c226f98b220b2b959f
@@ -444,7 +448,7 @@ F test/e_dropview.test 0c9f7f60989164a70a67a9d9c26d1083bc808306
 F test/e_expr.test 5c71d183fbf519a4769fd2e2124afdc70b5b1f42
 F test/e_fkey.test a1783fe1f759e1990e6a11adfcf0702dac4d0707
 F test/e_fts3.test 5c02288842e4f941896fd44afdef564dd5fc1459
-F test/e_insert.test 1e44f84d2abe44d66e4fbf198be4b20e3cc724a0
+F test/e_insert.test 7b2fa9cd1456f83474d6c5d27db3abaeb8be2023
 F test/e_reindex.test 396b7b4f0a66863b4e95116a67d93b227193e589
 F test/e_resolve.test dcce9308fb13b934ce29591105d031d3e14fbba6
 F test/e_select.test 52692ff3849541e828ad4661fe3773a9b8711763
@@ -464,6 +468,7 @@ F test/exclusive2.test 32798111aae78a5deec980eee383213f189df308
 F test/exec.test e949714dc127eaa5ecc7d723efec1ec27118fdd7
 F test/exists.test 8f7b27b61c2fbe5822f0a1f899c715d14e416e30
 F test/expr.test 67c9fd6f8f829e239dc8b0f4a08a73c08b09196d
+F test/extension01.test 00d13cec817f331a687a243e0e5a2d87b0e358c9
 F test/fallocate.test 3e979af17dfa7e5e9dda5eba1a696c04fa9d47f7
 F test/filectrl.test 14fa712e42c4cb791e09dfd58a6a03efb47ef13a
 F test/filefmt.test cb34663f126cbc2d358af552dcaf5c72769b0146
@@ -567,7 +572,7 @@ F test/fts3tok1.test c551043de056b0b1582a54e878991f57bad074bc
 F test/fts3tok_err.test 52273cd193b9036282f7bacb43da78c6be87418d
 F test/fts3varint.test 752c08ed5d32c5d7dc211b056f4ed68a76b7e36e
 F test/fts4aa.test 0c3152322c7f0b548cc942ad763eaba0da87ccca
-F test/fts4check.test 66fa274cab2b615f2fb338b257713aba8fad88a8
+F test/fts4check.test 74d77f6cdb768ac49df5afda575cef14ae3d239a
 F test/fts4content.test 2e7252557d6d24afa101d9ba1de710d6140e6d06
 F test/fts4docid.test e33c383cfbdff0284685604d256f347a18fdbf01
 F test/fts4growth.test df10fde9f47cf5c71861e63fd8efcd573c4f7e53
@@ -578,12 +583,12 @@ F test/fts4merge.test c424309743fdd203f8e56a1f1cd7872cd66cc0ee
 F test/fts4merge2.test 5faa558d1b672f82b847d2a337465fa745e46891
 F test/fts4merge3.test aab02a09f50fe6baaddc2e159c3eabc116d45fc7
 F test/fts4merge4.test d895b1057a7798b67e03455d0fa50e9ea836c47b
-F test/fts4noti.test 9695c7c6c32480ea9fc20a2b38ed1de0640bcaec
+F test/fts4noti.test 524807f0c36d49deea7920cdd4cd687408b58849
 F test/fts4unicode.test 01ec3fe2a7c3cfff3b4c0581b83caa11b33efa36
 F test/full.test 6b3c8fb43c6beab6b95438c1675374b95fab245d
 F test/func.test ae97561957aba6ca9e3a7b8a13aac41830d701ef
 F test/func2.test 772d66227e4e6684b86053302e2d74a2500e1e0f
-F test/func3.test dbccee9133cfef1473c59ec07b5f0262b9d72f9a
+F test/func3.test e82d16b13739f1a0c5efb20048583c79b767b625
 F test/func4.test 6beacdfcb0e18c358e6c2dcacf1b65d1fa80955f
 F test/func5.test cdd224400bc3e48d891827cc913a57051a426fa4
 F test/fuzz-oss1.test 4912e528ec9cf2f42134456933659d371c9e0d74
@@ -688,7 +693,7 @@ F test/mallocG.test 0ff91b65c50bdaba680fb75d87fe4ad35bb7934f
 F test/mallocH.test 79b65aed612c9b3ed2dcdaa727c85895fd1bfbdb
 F test/mallocI.test a88c2b9627c8506bf4703d8397420043a786cdb6
 F test/mallocJ.test b5d1839da331d96223e5f458856f8ffe1366f62e
-F test/mallocK.test d79968641d1b70d88f6c01bdb9a7eb4a55582cc9
+F test/mallocK.test 3cff7c0f64735f6883bacdd294e45a6ed5714817
 F test/malloc_common.tcl 58e54229c4132ef882a11fab6419ec4cd3073589
 F test/manydb.test 28385ae2087967aa05c38624cec7d96ec74feb3e
 F test/mem5.test c6460fba403c5703141348cd90de1c294188c68f
@@ -726,7 +731,7 @@ F test/notnull.test f8fcf58669ddba79274daa2770d61dfad8274f62
 F test/null.test a8b09b8ed87852742343b33441a9240022108993
 F test/numcast.test 5d126f7f581432e86a90d1e35cac625164aec4a1
 F test/openv2.test 0d3040974bf402e19b7df4b783e447289d7ab394
-F test/orderby1.test 9b524aff9147288da43a6d7ddfdcff47fa2303c6
+F test/orderby1.test 12426f99518cde45f34215ca6a0ebc0e9bc5c77a
 F test/orderby2.test bc11009f7cd99d96b1b11e57b199b00633eb5b04
 F test/orderby3.test 8619d06a3debdcd80a27c0fdea5c40b468854b99
 F test/orderby4.test 4d39bfbaaa3ae64d026ca2ff166353d2edca4ba4
@@ -746,7 +751,7 @@ F test/pagesize.test 1dd51367e752e742f58e861e65ed7390603827a0
 F test/pcache.test b09104b03160aca0d968d99e8cd2c5b1921a993d
 F test/pcache2.test a83efe2dec0d392f814bfc998def1d1833942025
 F test/percentile.test b98fc868d71eb5619d42a1702e9ab91718cbed54
-F test/permutations.test d8946218493c77806ec1029df473d8ed4ad9aef6
+F test/permutations.test bc474bafb022cc5014ef3a9c3d5ab61d6d6f587c
 F test/pragma.test adb21a90875bc54a880fa939c4d7c46598905aa0
 F test/pragma2.test aea7b3d82c76034a2df2b38a13745172ddc0bc13
 F test/printf.test ec9870c4dce8686a37818e0bf1aba6e6a1863552
@@ -813,17 +818,18 @@ F test/shared9.test 5f2a8f79b4d6c7d107a01ffa1ed05ae7e6333e21
 F test/sharedA.test 0cdf1a76dfa00e6beee66af5b534b1e8df2720f5
 F test/shared_err.test 0079c05c97d88cfa03989b7c20a8b266983087aa
 F test/sharedlock.test 5ede3c37439067c43b0198f580fd374ebf15d304
-F test/shell1.test f2a1d471e5cd2b42f7a65b166dc1ace2b8d11583
+F test/shell1.test fb080d67c81e8a80a79ea04b36f127209b5bd112
 F test/shell2.test c57da3a381c099b02c813ba156298d5c2f5c93a3
 F test/shell3.test 5e8545ec72c4413a0e8d4c6be56496e3c257ca29
-F test/shell4.test aa4eef8118b412d1a01477a53426ece169ea86a9
-F test/shell5.test fa5583230c0aea5c9ff33f0ac1e26b1e3f03d153
+F test/shell4.test 8a9c08976291e6c6c808b4d718f4a8b299f339f5
+F test/shell5.test ef0c52952a4a96dc1d9ec3b1fa81ec897ca48154
 F test/shortread1.test bb591ef20f0fd9ed26d0d12e80eee6d7ac8897a3
 F test/show_speedtest1_rtree.tcl 32e6c5f073d7426148a6936a0408f4b5b169aba5
 F test/shrink.test 8c70f62b6e8eb4d54533de6d65bd06b1b9a17868
 F test/sidedelete.test f0ad71abe6233e3b153100f3b8d679b19a488329
 F test/skipscan1.test 28c7faa41a0d7265040ecb0a0abd90c0904270b2
 F test/skipscan2.test d1d1450952b7275f0b0a3a981f0230532743951a
+F test/skipscan5.test d8b9692b702745a0e41c23f9da6beac81df01196
 F test/soak.test 0b5b6375c9f4110c828070b826b3b4b0bb65cd5f
 F test/softheap1.test 40562fe6cac6d9827b7b42b86d45aedf12c15e24
 F test/sort.test 0e4456e729e5a92a625907c63dcdedfbe72c5dc5
@@ -899,6 +905,7 @@ F test/tkt-868145d012.test a5f941107ece6a64410ca4755c6329b7eb57a356
 F test/tkt-8c63ff0ec.test 258b7fc8d7e4e1cb5362c7d65c143528b9c4cbed
 F test/tkt-91e2e8ba6f.test 08c4f94ae07696b05c9b822da0b4e5337a2f54c5
 F test/tkt-94c04eaadb.test f738c57c7f68ab8be1c054415af7774617cb6223
+F test/tkt-9a8b09f8e6.test b2ef151d0984b2ebf237760dbeaa50724e5a0667
 F test/tkt-9d68c883.test 458f7d82a523d7644b54b497c986378a7d8c8b67
 F test/tkt-9f2eb3abac.test 85bc63e749f050e6a61c8f9207f1eee65c9d3395
 F test/tkt-a7b7803e.test 159ef554234fa1f9fb318c751b284bd1cf858da4
@@ -1006,7 +1013,7 @@ F test/tkt3992.test f3e7d548ac26f763b47bc0f750da3d03c81071da
 F test/tkt3997.test a335fa41ca3985660a139df7b734a26ef53284bd
 F test/tkt4018.test 7c2c9ba4df489c676a0a7a0e809a1fb9b2185bd1
 F test/tokenize.test ce430a7aed48fc98301611429595883fdfcab5d7
-F test/tpch01.test 8f4ac52f62f3e9f6bce0889105aecdf0275e331b
+F test/tpch01.test 04adbf8d8300fa60a222f28d901abd76e7be6dd4
 F test/trace.test 4b36a41a3e9c7842151af6da5998f5080cdad9e5
 F test/trace2.test 93b47ca6996c66b47f57224cfb146f34e07df382
 F test/trans.test 6e1b4c6a42dba31bd65f8fa5e61a2708e08ddde6
@@ -1104,13 +1111,14 @@ F test/whereC.test d6f4ecd4fa2d9429681a5b22a25d2bda8e86ab8a
 F test/whereD.test fd9120e262f9da3c45940f52aefeef4d15b904e5
 F test/whereE.test b3a055eef928c992b0a33198a7b8dc10eea5ad2f
 F test/whereF.test 5b2ba0dbe8074aa13e416b37c753991f0a2492d7
-F test/whereG.test 0ac23e5e8311b69d87245f4a85112de321031658
+F test/whereG.test 69f5ec4b15760a8c860f80e2d55525669390aab3
 F test/whereH.test e4b07f7a3c2f5d31195cd33710054c78667573b2
-F test/whereI.test 6cc613df883a17ca3df36021c6d6e514f5f3bd23
+F test/whereI.test 1d89199697919d4930be05a71e7fe620f114e622
+F test/whereJ.test 7dde28284d20f358b559ca592e294db03e1d7103
 F test/wherelimit.test 5e9fd41e79bb2b2d588ed999d641d9c965619b31
 F test/wild001.test bca33f499866f04c24510d74baf1e578d4e44b1c
 F test/win32heap.test ea19770974795cff26e11575e12d422dbd16893c
-F test/win32lock.test 7a6bd73a5dcdee39b5bb93e92395e1773a194361
+F test/win32lock.test 71642fa56e9b06e5cfffe6bad67cb8c1eb2c555a
 F test/win32longpath.test 169c75a3b2e43481f4a62122510210c67b08f26d
 F test/with1.test 268081a6b14817a262ced4d0ee34d4d2a1dd2068
 F test/with2.test ee227a663586aa09771cafd4fa269c5217eaf775
@@ -1133,11 +1141,11 @@ F tool/fragck.tcl 5265a95126abcf6ab357f7efa544787e5963f439
 F tool/genfkey.README cf68fddd4643bbe3ff8e31b8b6d8b0a1b85e20f4
 F tool/genfkey.test 4196a8928b78f51d54ef58e99e99401ab2f0a7e5
 F tool/getlock.c f4c39b651370156cae979501a7b156bdba50e7ce
-F tool/lemon.c 07aba6270d5a5016ba8107b09e431eea4ecdc123
+F tool/lemon.c 3ff0fec22f92dfb54e62eeb48772eddffdbeb0d6
 F tool/lempar.c 01ca97f87610d1dac6d8cd96ab109ab1130e76dc
 F tool/logest.c eef612f8adf4d0993dafed0416064cf50d5d33c6
 F tool/mkautoconfamal.sh f8d8dbf7d62f409ebed5134998bf5b51d7266383
-F tool/mkkeywordhash.c c9e05e4a7bcab8fab9f583d5b321fb72f565ad97
+F tool/mkkeywordhash.c dfff09dbbfaf950e89af294f48f902181b144670
 F tool/mkopts.tcl 66ac10d240cc6e86abd37dc908d50382f84ff46e
 F tool/mkpragmatab.tcl 78a77b2c554d534c6f2dc903130186ed15715460
 F tool/mkspeedsql.tcl a1a334d288f7adfe6e996f2e712becf076745c97
@@ -1152,8 +1160,9 @@ F tool/opcodeDoc.awk b3a2a3d5d3075b8bd90b7afe24283efdd586659c
 F tool/pagesig.c ff0ca355fd3c2398e933da5e22439bbff89b803b
 F tool/restore_jrnl.tcl 6957a34f8f1f0f8285e07536225ec3b292a9024a
 F tool/rollback-test.c 9fc98427d1e23e84429d7e6d07d9094fbdec65a5
-F tool/showdb.c 1f3fe634d6f690b8d39ab1b9fd34583d468921e1
+F tool/showdb.c b018a8a69d07050fc0fe9afcf17313cdef0cc599
 F tool/showjournal.c b62cecaab86a4053d944c276bb5232e4d17ece02
+F tool/showstat4.c c39279d6bd37cb999b634f0064f6f86ad7af008f
 F tool/showwal.c 3f7f7da5ec0cba51b1449a75f700493377da57b5
 F tool/soak1.tcl 8d407956e1a45b485a8e072470a3e629a27037fe
 F tool/space_used.tcl f714c41a59e326b8b9042f415b628b561bafa06b
@@ -1171,9 +1180,9 @@ F tool/tostr.awk e75472c2f98dd76e06b8c9c1367f4ab07e122d06
 F tool/vdbe-compress.tcl 0cf56e9263a152b84da86e75a5c0cdcdb7a47891
 F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
-F tool/warnings.sh d1a6de74685f360ab718efda6265994b99bbea01
+F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P b4980a07e287480beddb2c6633c733520e05d074
-R 8f53ac145522e21d9a1c5059c77f2db7
-U drh
-Z ad528aef359e7c77cf0a017e9208591c
+P 4b8230e8fe93e73a615a46708aed5fa3557b6228
+R 626c4988935b78bcb3d2f8f34291bc5b
+U dan
+Z 19d12a554b06297187fc9a292703f2d4

manifest.uuid

@@ -1 +1 @@
-cbec30d0c49a3f618c3df3ae0ca3d651b48841c2
+c96de490ac77dd23c108004b95152cce4922fe27

src/analyze.c

@@ -1002,7 +1002,7 @@ static void analyzeOneTable(
     if( aGotoChng==0 ) continue;
 
     /* Populate the register containing the index name. */
-    if( pIdx->autoIndex==2 && !HasRowid(pTab) ){
+    if( IsPrimaryKeyIndex(pIdx) && !HasRowid(pTab) ){
       zIdxName = pTab->zName;
     }else{
       zIdxName = pIdx->zName;

src/btree.c

@@ -4218,12 +4218,6 @@ static const void *fetchPayload(
   assert( cursorHoldsMutex(pCur) );
   assert( pCur->aiIdx[pCur->iPage]<pCur->apPage[pCur->iPage]->nCell );
   assert( pCur->info.nSize>0 );
-#if 0
-  if( pCur->info.nSize==0 ){
-    btreeParseCell(pCur->apPage[pCur->iPage], pCur->aiIdx[pCur->iPage],
-                   &pCur->info);
-  }
-#endif
   *pAmt = pCur->info.nLocal;
   return (void*)(pCur->info.pCell + pCur->info.nHeader);
 }

src/build.c

@@ -757,7 +757,7 @@ int sqlite3CheckObjectName(Parse *pParse, const char *zName){
 */
 Index *sqlite3PrimaryKeyIndex(Table *pTab){
   Index *p;
-  for(p=pTab->pIndex; p && p->autoIndex!=2; p=p->pNext){}
+  for(p=pTab->pIndex; p && !IsPrimaryKeyIndex(p); p=p->pNext){}
   return p;
 }
 
@@ -1286,7 +1286,7 @@ void sqlite3AddPrimaryKey(
     p = sqlite3CreateIndex(pParse, 0, 0, 0, pList, onError, 0,
                            0, sortOrder, 0);
     if( p ){
-      p->autoIndex = 2;
+      p->idxType = SQLITE_IDXTYPE_PRIMARYKEY;
       if( v ) sqlite3VdbeJumpHere(v, pParse->addrSkipPK);
     }
     pList = 0;
@@ -1661,7 +1661,7 @@ static void convertToWithoutRowidTable(Parse *pParse, Table *pTab){
     assert( pParse->pNewTable==pTab );
     pPk = sqlite3CreateIndex(pParse, 0, 0, 0, pList, pTab->keyConf, 0, 0, 0, 0);
     if( pPk==0 ) return;
-    pPk->autoIndex = 2;
+    pPk->idxType = SQLITE_IDXTYPE_PRIMARYKEY;
     pTab->iPKey = -1;
   }else{
     pPk = sqlite3PrimaryKeyIndex(pTab);
@@ -1684,7 +1684,7 @@ static void convertToWithoutRowidTable(Parse *pParse, Table *pTab){
   */
   for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){
     int n;
-    if( pIdx->autoIndex==2 ) continue;
+    if( IsPrimaryKeyIndex(pIdx) ) continue;
     for(i=n=0; i<nPk; i++){
       if( !hasColumn(pIdx->aiColumn, pIdx->nKeyCol, pPk->aiColumn[i]) ) n++;
     }
@@ -2764,7 +2764,7 @@ Index *sqlite3AllocateIndexObject(
 **
 ** If the index is created successfully, return a pointer to the new Index
 ** structure. This is used by sqlite3AddPrimaryKey() to mark the index
-** as the tables primary key (Index.autoIndex==2).
+** as the tables primary key (Index.idxType==SQLITE_IDXTYPE_PRIMARYKEY)
 */
 Index *sqlite3CreateIndex(
   Parse *pParse,     /* All information about this parse */
@@ -2979,7 +2979,7 @@ Index *sqlite3CreateIndex(
   pIndex->pTable = pTab;
   pIndex->onError = (u8)onError;
   pIndex->uniqNotNull = onError!=OE_None;
-  pIndex->autoIndex = (u8)(pName==0);
+  pIndex->idxType = pName ? SQLITE_IDXTYPE_APPDEF : SQLITE_IDXTYPE_UNIQUE;
   pIndex->pSchema = db->aDb[iDb].pSchema;
   pIndex->nKeyCol = pList->nExpr;
   if( pPIWhere ){
@@ -3091,7 +3091,7 @@ Index *sqlite3CreateIndex(
     for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){
       int k;
       assert( pIdx->onError!=OE_None );
-      assert( pIdx->autoIndex );
+      assert( pIdx->idxType!=SQLITE_IDXTYPE_APPDEF );
       assert( pIndex->onError!=OE_None );
 
       if( pIdx->nKeyCol!=pIndex->nKeyCol ) continue;
@@ -3314,7 +3314,7 @@ void sqlite3DropIndex(Parse *pParse, SrcList *pName, int ifExists){
     pParse->checkSchema = 1;
     goto exit_drop_index;
   }
-  if( pIndex->autoIndex ){
+  if( pIndex->idxType!=SQLITE_IDXTYPE_APPDEF ){
     sqlite3ErrorMsg(pParse, "index associated with UNIQUE "
       "or PRIMARY KEY constraint cannot be dropped", 0);
     goto exit_drop_index;
@@ -3973,7 +3973,8 @@ void sqlite3UniqueConstraint(
   }
   zErr = sqlite3StrAccumFinish(&errMsg);
   sqlite3HaltConstraint(pParse, 
-    (pIdx->autoIndex==2)?SQLITE_CONSTRAINT_PRIMARYKEY:SQLITE_CONSTRAINT_UNIQUE,
+    IsPrimaryKeyIndex(pIdx) ? SQLITE_CONSTRAINT_PRIMARYKEY 
+                            : SQLITE_CONSTRAINT_UNIQUE,
     onError, zErr, P4_DYNAMIC, P5_ConstraintUnique);
 }
 

src/expr.c

@@ -33,7 +33,7 @@
 char sqlite3ExprAffinity(Expr *pExpr){
   int op;
   pExpr = sqlite3ExprSkipCollate(pExpr);
-  if( pExpr->flags & EP_Generic ) return SQLITE_AFF_NONE;
+  if( pExpr->flags & EP_Generic ) return 0;
   op = pExpr->op;
   if( op==TK_SELECT ){
     assert( pExpr->flags&EP_xIsSelect );

src/fkey.c

@@ -233,8 +233,8 @@ int sqlite3FkLocateIndex(
       if( zKey==0 ){
         /* If zKey is NULL, then this foreign key is implicitly mapped to 
         ** the PRIMARY KEY of table pParent. The PRIMARY KEY index may be 
-        ** identified by the test (Index.autoIndex==2).  */
-        if( pIdx->autoIndex==2 ){
+        ** identified by the test.  */
+        if( IsPrimaryKeyIndex(pIdx) ){
           if( aiCol ){
             int i;
             for(i=0; i<nCol; i++) aiCol[i] = pFKey->aCol[i].iFrom;

src/func.c

@@ -1691,6 +1691,7 @@ void sqlite3RegisterGlobalFunctions(void){
     FUNCTION2(ifnull,            2, 0, 0, noopFunc,  SQLITE_FUNC_COALESCE),
     FUNCTION2(unlikely,          1, 0, 0, noopFunc,  SQLITE_FUNC_UNLIKELY),
     FUNCTION2(likelihood,        2, 0, 0, noopFunc,  SQLITE_FUNC_UNLIKELY),
+    FUNCTION2(likely,            1, 0, 0, noopFunc,  SQLITE_FUNC_UNLIKELY),
     VFUNCTION(random,            0, 0, 0, randomFunc       ),
     VFUNCTION(randomblob,        1, 0, 0, randomBlob       ),
     FUNCTION(nullif,             2, 0, 1, nullifFunc       ),

src/insert.c

@@ -1463,7 +1463,7 @@ void sqlite3GenerateConstraintChecks(
           ** KEY values of this row before the update.  */
           int addrJump = sqlite3VdbeCurrentAddr(v)+pPk->nKeyCol;
           int op = OP_Ne;
-          int regCmp = (pIdx->autoIndex==2 ? regIdx : regR);
+          int regCmp = (IsPrimaryKeyIndex(pIdx) ? regIdx : regR);
   
           for(i=0; i<pPk->nKeyCol; i++){
             char *p4 = (char*)sqlite3LocateCollSeq(pParse, pPk->azColl[i]);
@@ -1564,7 +1564,7 @@ void sqlite3CompleteInsertion(
     sqlite3VdbeAddOp2(v, OP_IdxInsert, iIdxCur+i, aRegIdx[i]);
     pik_flags = 0;
     if( useSeekResult ) pik_flags = OPFLAG_USESEEKRESULT;
-    if( pIdx->autoIndex==2 && !HasRowid(pTab) ){
+    if( IsPrimaryKeyIndex(pIdx) && !HasRowid(pTab) ){
       assert( pParse->nested==0 );
       pik_flags |= OPFLAG_NCHANGE;
     }
@@ -1650,7 +1650,7 @@ int sqlite3OpenTableAndIndices(
   for(i=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, i++){
     int iIdxCur = iBase++;
     assert( pIdx->pSchema==pTab->pSchema );
-    if( pIdx->autoIndex==2 && !HasRowid(pTab) && piDataCur ){
+    if( IsPrimaryKeyIndex(pIdx) && !HasRowid(pTab) && piDataCur ){
       *piDataCur = iIdxCur;
     }
     if( aToOpen==0 || aToOpen[i+1] ){

src/main.c

@@ -3128,10 +3128,10 @@ int sqlite3_test_control(int op, ...){
     case SQLITE_TESTCTRL_FAULT_INSTALL: {
       /* MSVC is picky about pulling func ptrs from va lists.
       ** http://support.microsoft.com/kb/47961
-      ** sqlite3Config.xTestCallback = va_arg(ap, int(*)(int));
+      ** sqlite3GlobalConfig.xTestCallback = va_arg(ap, int(*)(int));
       */
       typedef int(*TESTCALLBACKFUNC_t)(int);
-      sqlite3Config.xTestCallback = va_arg(ap, TESTCALLBACKFUNC_t);
+      sqlite3GlobalConfig.xTestCallback = va_arg(ap, TESTCALLBACKFUNC_t);
       rc = sqlite3FaultSim(0);
       break;
     }

src/os_unix.c

@@ -445,11 +445,11 @@ static struct unix_syscall {
   { "mremap",       (sqlite3_syscall_ptr)0,               0 },
 #endif
 #define osMremap ((void*(*)(void*,size_t,size_t,int,...))aSyscall[23].pCurrent)
-#endif
-
   { "getpagesize",  (sqlite3_syscall_ptr)unixGetpagesize, 0 },
 #define osGetpagesize ((int(*)(void))aSyscall[24].pCurrent)
 
+#endif
+
 }; /* End of the overrideable system calls */
 
 /*
@@ -1918,6 +1918,13 @@ static int closeUnixFile(sqlite3_file *id){
     vxworksReleaseFileId(pFile->pId);
     pFile->pId = 0;
   }
+#endif
+#ifdef SQLITE_UNLINK_AFTER_CLOSE
+  if( pFile->ctrlFlags & UNIXFILE_DELETE ){
+    osUnlink(pFile->zPath);
+    sqlite3_free(*(char**)&pFile->zPath);
+    pFile->zPath = 0;
+  }
 #endif
   OSTRACE(("CLOSE   %-3d\n", pFile->h));
   OpenCounter(-1);
@@ -3957,8 +3964,25 @@ static int unixDeviceCharacteristics(sqlite3_file *id){
   return rc;
 }
 
-#ifndef SQLITE_OMIT_WAL
+#if !defined(SQLITE_OMIT_WAL) || SQLITE_MAX_MMAP_SIZE>0
 
+/*
+** Return the system page size.
+**
+** This function should not be called directly by other code in this file. 
+** Instead, it should be called via macro osGetpagesize().
+*/
+static int unixGetpagesize(void){
+#if defined(_BSD_SOURCE)
+  return getpagesize();
+#else
+  return (int)sysconf(_SC_PAGESIZE);
+#endif
+}
+
+#endif /* !defined(SQLITE_OMIT_WAL) || SQLITE_MAX_MMAP_SIZE>0 */
+
+#ifndef SQLITE_OMIT_WAL
 
 /*
 ** Object used to represent an shared memory buffer.  
@@ -4109,20 +4133,6 @@ static int unixShmSystemLock(
   return rc;        
 }
 
-/*
-** Return the system page size.
-**
-** This function should not be called directly by other code in this file. 
-** Instead, it should be called via macro osGetpagesize().
-*/
-static int unixGetpagesize(void){
-#if defined(_BSD_SOURCE)
-  return getpagesize();
-#else
-  return (int)sysconf(_SC_PAGESIZE);
-#endif
-}
-
 /*
 ** Return the minimum number of 32KB shm regions that should be mapped at
 ** a time, assuming that each mapping must be an integer multiple of the
@@ -5772,6 +5782,12 @@ static int unixOpen(
   if( isDelete ){
 #if OS_VXWORKS
     zPath = zName;
+#elif defined(SQLITE_UNLINK_AFTER_CLOSE)
+    zPath = sqlite3_mprintf("%s", zName);
+    if( zPath==0 ){
+      robust_close(p, fd, __LINE__);
+      return SQLITE_NOMEM;
+    }
 #else
     osUnlink(zName);
 #endif

src/os_win.c

@@ -2825,7 +2825,7 @@ static int winGetReadLock(winFile *pFile){
     pFile->lastErrno = osGetLastError();
     /* No need to log a failure to lock */
   }
-  OSTRACE(("READ-LOCK file=%p, rc=%s\n", pFile->h, sqlite3ErrName(res)));
+  OSTRACE(("READ-LOCK file=%p, result=%d\n", pFile->h, res));
   return res;
 }
 
@@ -2849,7 +2849,7 @@ static int winUnlockReadLock(winFile *pFile){
     winLogError(SQLITE_IOERR_UNLOCK, pFile->lastErrno,
                 "winUnlockReadLock", pFile->zPath);
   }
-  OSTRACE(("READ-UNLOCK file=%p, rc=%s\n", pFile->h, sqlite3ErrName(res)));
+  OSTRACE(("READ-UNLOCK file=%p, result=%d\n", pFile->h, res));
   return res;
 }
 
@@ -2924,8 +2924,16 @@ static int winLock(sqlite3_file *id, int locktype){
       ** If you are using this code as a model for alternative VFSes, do not
       ** copy this retry logic.  It is a hack intended for Windows only.
       */
-      OSTRACE(("LOCK-PENDING-FAIL file=%p, count=%d, rc=%s\n",
-               pFile->h, cnt, sqlite3ErrName(res)));
+      lastErrno = osGetLastError();
+      OSTRACE(("LOCK-PENDING-FAIL file=%p, count=%d, result=%d\n",
+               pFile->h, cnt, res));
+      if( lastErrno==ERROR_INVALID_HANDLE ){
+        pFile->lastErrno = lastErrno;
+        rc = SQLITE_IOERR_LOCK;
+        OSTRACE(("LOCK-FAIL file=%p, count=%d, rc=%s\n",
+                 pFile->h, cnt, sqlite3ErrName(rc)));
+        return rc;
+      }
       if( cnt ) sqlite3_win32_sleep(1);
     }
     gotPendingLock = res;
@@ -3010,7 +3018,7 @@ static int winLock(sqlite3_file *id, int locktype){
 ** non-zero, otherwise zero.
 */
 static int winCheckReservedLock(sqlite3_file *id, int *pResOut){
-  int rc;
+  int res;
   winFile *pFile = (winFile*)id;
 
   SimulateIOError( return SQLITE_IOERR_CHECKRESERVEDLOCK; );
@@ -3018,17 +3026,17 @@ static int winCheckReservedLock(sqlite3_file *id, int *pResOut){
 
   assert( id!=0 );
   if( pFile->locktype>=RESERVED_LOCK ){
-    rc = 1;
-    OSTRACE(("TEST-WR-LOCK file=%p, rc=%d (local)\n", pFile->h, rc));
+    res = 1;
+    OSTRACE(("TEST-WR-LOCK file=%p, result=%d (local)\n", pFile->h, res));
   }else{
-    rc = winLockFile(&pFile->h, SQLITE_LOCKFILEEX_FLAGS,RESERVED_BYTE, 0, 1, 0);
-    if( rc ){
+    res = winLockFile(&pFile->h, SQLITE_LOCKFILEEX_FLAGS,RESERVED_BYTE, 0, 1, 0);
+    if( res ){
       winUnlockFile(&pFile->h, RESERVED_BYTE, 0, 1, 0);
     }
-    rc = !rc;
-    OSTRACE(("TEST-WR-LOCK file=%p, rc=%d (remote)\n", pFile->h, rc));
+    res = !res;
+    OSTRACE(("TEST-WR-LOCK file=%p, result=%d (remote)\n", pFile->h, res));
   }
-  *pResOut = rc;
+  *pResOut = res;
   OSTRACE(("TEST-WR-LOCK file=%p, pResOut=%p, *pResOut=%d, rc=SQLITE_OK\n",
            pFile->h, pResOut, *pResOut));
   return SQLITE_OK;
@@ -3169,6 +3177,17 @@ static int winFileControl(sqlite3_file *id, int op, void *pArg){
       OSTRACE(("FCNTL file=%p, rc=SQLITE_OK\n", pFile->h));
       return SQLITE_OK;
     }
+#ifdef SQLITE_TEST
+    case SQLITE_FCNTL_WIN32_SET_HANDLE: {
+      LPHANDLE phFile = (LPHANDLE)pArg;
+      HANDLE hOldFile = pFile->h;
+      pFile->h = *phFile;
+      *phFile = hOldFile;
+      OSTRACE(("FCNTL oldFile=%p, newFile=%p, rc=SQLITE_OK\n",
+               hOldFile, pFile->h));
+      return SQLITE_OK;
+    }
+#endif
     case SQLITE_FCNTL_TEMPFILENAME: {
       char *zTFile = 0;
       int rc = winGetTempname(pFile->pVfs, &zTFile);

src/printf.c

@@ -756,6 +756,7 @@ static int sqlite3StrAccumEnlarge(StrAccum *p, int N){
       zNew = sqlite3_realloc(zOld, p->nAlloc);
     }
     if( zNew ){
+      assert( p->zText!=0 || p->nChar==0 );
       if( zOld==0 && p->nChar>0 ) memcpy(zNew, p->zText, p->nChar);
       p->zText = zNew;
     }else{

src/resolve.c

@@ -711,7 +711,8 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){
             ** likelihood(X, 0.0625).
             ** EVIDENCE-OF: R-01283-11636 The unlikely(X) function is short-hand for
             ** likelihood(X,0.0625). */
-            pExpr->iTable = 62;  /* TUNING:  Default 2nd arg to unlikely() is 0.0625 */
+            /* TUNING: unlikely() probability is 0.0625.  likely() is 0.9375 */
+            pExpr->iTable = pDef->zName[0]=='u' ? 62 : 938;
           }             
         }
       }

src/select.c

@@ -1226,9 +1226,6 @@ static void generateSortTail(
   }
   if( pSort->regReturn ) sqlite3VdbeAddOp1(v, OP_Return, pSort->regReturn);
   sqlite3VdbeResolveLabel(v, addrBreak);
-  if( eDest==SRT_Output || eDest==SRT_Coroutine ){
-    sqlite3VdbeAddOp2(v, OP_Close, pseudoTab, 0);
-  }
 }
 
 /*
@@ -4498,7 +4495,7 @@ static void explainSimpleCount(
   Index *pIdx                     /* Index used to optimize scan, or NULL */
 ){
   if( pParse->explain==2 ){
-    int bCover = (pIdx!=0 && (HasRowid(pTab) || pIdx->autoIndex!=2));
+    int bCover = (pIdx!=0 && (HasRowid(pTab) || !IsPrimaryKeyIndex(pIdx)));
     char *zEqp = sqlite3MPrintf(pParse->db, "SCAN TABLE %s%s%s",
         pTab->zName,
         bCover ? " USING COVERING INDEX " : "",

src/shell.c

@@ -446,8 +446,9 @@ struct previous_mode_data {
 struct callback_data {
   sqlite3 *db;           /* The database */
   int echoOn;            /* True to echo input commands */
-  int autoEQP;           /* Run EXPLAIN QUERY PLAN prior to seach SQL statement */
+  int autoEQP;           /* Run EXPLAIN QUERY PLAN prior to seach SQL stmt */
   int statsOn;           /* True to display memory stats before each finalize */
+  int outCount;          /* Revert to stdout when reaching zero */
   int cnt;               /* Number of records displayed so far */
   FILE *out;             /* Write results here */
   FILE *traceOut;        /* Output for sqlite3_trace() */
@@ -878,7 +879,8 @@ static int shell_callback(void *pArg, int nArg, char **azArg, char **azCol, int
         }else if( aiType && aiType[i]==SQLITE_TEXT ){
           if( zSep[0] ) fprintf(p->out,"%s",zSep);
           output_quoted_string(p->out, azArg[i]);
-        }else if( aiType && (aiType[i]==SQLITE_INTEGER || aiType[i]==SQLITE_FLOAT) ){
+        }else if( aiType && (aiType[i]==SQLITE_INTEGER
+                             || aiType[i]==SQLITE_FLOAT) ){
           fprintf(p->out,"%s%s",zSep, azArg[i]);
         }else if( aiType && aiType[i]==SQLITE_BLOB && p->pStmt ){
           const void *pBlob = sqlite3_column_blob(p->pStmt, i);
@@ -1198,7 +1200,7 @@ static void explain_data_prepare(struct callback_data *p, sqlite3_stmt *pSql){
 
   const char *azNext[] = { "Next", "Prev", "VPrev", "VNext", "SorterNext",
                            "NextIfOpen", "PrevIfOpen", 0 };
-  const char *azYield[] = { "Yield", "SeekLt", "SeekGt", "RowSetRead", "Rewind", 0 };
+  const char *azYield[] = { "Yield", "SeekLT", "SeekGT", "RowSetRead", "Rewind", 0 };
   const char *azGoto[] = { "Goto", 0 };
 
   /* Try to figure out if this is really an EXPLAIN statement. If this
@@ -1570,17 +1572,19 @@ static int run_schema_dump_query(
 */
 static char zHelp[] =
   ".backup ?DB? FILE      Backup DB (default \"main\") to FILE\n"
-  ".bail ON|OFF           Stop after hitting an error.  Default OFF\n"
+  ".bail on|off           Stop after hitting an error.  Default OFF\n"
   ".clone NEWDB           Clone data into NEWDB from the existing database\n"
   ".databases             List names and files of attached databases\n"
   ".dump ?TABLE? ...      Dump the database in an SQL text format\n"
   "                         If TABLE specified, only dump tables matching\n"
   "                         LIKE pattern TABLE.\n"
-  ".echo ON|OFF           Turn command echo on or off\n"
+  ".echo on|off           Turn command echo on or off\n"
+  ".eqp on|off            Enable or disable automatic EXPLAIN QUERY PLAN\n"
   ".exit                  Exit this program\n"
-  ".explain ?ON|OFF?      Turn output mode suitable for EXPLAIN on or off.\n"
+  ".explain ?on|off?      Turn output mode suitable for EXPLAIN on or off.\n"
   "                         With no args, it turns EXPLAIN on.\n"
-  ".header(s) ON|OFF      Turn display of headers on or off\n"
+  ".fullschema            Show schema and the content of sqlite_stat tables\n"
+  ".headers on|off        Turn display of headers on or off\n"
   ".help                  Show this message\n"
   ".import FILE TABLE     Import data from FILE into TABLE\n"
   ".indices ?TABLE?       Show names of all indices\n"
@@ -1603,9 +1607,9 @@ static char zHelp[] =
   "                         tabs     Tab-separated values\n"
   "                         tcl      TCL list elements\n"
   ".nullvalue STRING      Use STRING in place of NULL values\n"
+  ".once FILENAME         Output for the next SQL command only to FILENAME\n"
   ".open ?FILENAME?       Close existing database and reopen FILENAME\n"
-  ".output FILENAME       Send output to FILENAME\n"
-  ".output stdout         Send output to the screen\n"
+  ".output ?FILENAME?     Send output to FILENAME or stdout\n"
   ".print STRING...       Print literal STRING\n"
   ".prompt MAIN CONTINUE  Replace the standard prompts\n"
   ".quit                  Exit this program\n"
@@ -1616,19 +1620,19 @@ static char zHelp[] =
   "                         If TABLE specified, only show tables matching\n"
   "                         LIKE pattern TABLE.\n"
   ".separator STRING      Change separator used by output mode and .import\n"
+  ".shell CMD ARGS...     Run CMD ARGS... in a system shell\n"
   ".show                  Show the current values for various settings\n"
-  ".stats ON|OFF          Turn stats on or off\n"
+  ".stats on|off          Turn stats on or off\n"
+  ".system CMD ARGS...    Run CMD ARGS... in a system shell\n"
   ".tables ?TABLE?        List names of tables\n"
   "                         If TABLE specified, only list tables matching\n"
   "                         LIKE pattern TABLE.\n"
   ".timeout MS            Try opening locked tables for MS milliseconds\n"
+  ".timer on|off          Turn SQL timer on or off\n"
   ".trace FILE|off        Output each SQL statement as it is run\n"
   ".vfsname ?AUX?         Print the name of the VFS stack\n"
   ".width NUM1 NUM2 ...   Set column widths for \"column\" mode\n"
-;
-
-static char zTimerHelp[] =
-  ".timer ON|OFF          Turn the CPU timer measurement on or off\n"
+  "                         Negative values right-justify\n"
 ;
 
 /* Forward reference */
@@ -1672,6 +1676,7 @@ static void open_db(struct callback_data *p, int keepAlive){
 static void resolve_backslashes(char *z){
   int i, j;
   char c;
+  while( *z && *z!='\\' ) z++;
   for(i=j=0; (c = z[i])!=0; i++, j++){
     if( c=='\\' ){
       c = z[++i];
@@ -1697,7 +1702,7 @@ static void resolve_backslashes(char *z){
     }
     z[j] = c;
   }
-  z[j] = 0;
+  if( j<i ) z[j] = 0;
 }
 
 /*
@@ -2141,6 +2146,19 @@ static void tryToClone(struct callback_data *p, const char *zNewDb){
   sqlite3_close(newDb);
 }
 
+/*
+** Change the output file back to stdout
+*/
+static void output_reset(struct callback_data *p){
+  if( p->outfile[0]=='|' ){
+    pclose(p->out);
+  }else{
+    output_file_close(p->out);
+  }
+  p->outfile[0] = 0;
+  p->out = stdout;
+}
+
 /*
 ** If an input line begins with "." then invoke this routine to
 ** process that line.
@@ -2239,8 +2257,13 @@ static int do_meta_command(char *zLine, struct callback_data *p){
     sqlite3_close(pDest);
   }else
 
-  if( c=='b' && n>=3 && strncmp(azArg[0], "bail", n)==0 && nArg>1 && nArg<3 ){
-    bail_on_error = booleanValue(azArg[1]);
+  if( c=='b' && n>=3 && strncmp(azArg[0], "bail", n)==0 ){
+    if( nArg==2 ){
+      bail_on_error = booleanValue(azArg[1]);
+    }else{
+      fprintf(stderr, "Usage: .bail on|off\n");
+      rc = 1;
+    }
   }else
 
   /* The undocumented ".breakpoint" command causes a call to the no-op
@@ -2250,11 +2273,16 @@ static int do_meta_command(char *zLine, struct callback_data *p){
     test_breakpoint();
   }else
 
-  if( c=='c' && strncmp(azArg[0], "clone", n)==0 && nArg>1 && nArg<3 ){
-    tryToClone(p, azArg[1]);
+  if( c=='c' && strncmp(azArg[0], "clone", n)==0 ){
+    if( nArg==2 ){
+      tryToClone(p, azArg[1]);
+    }else{
+      fprintf(stderr, "Usage: .clone FILENAME\n");
+      rc = 1;
+    }
   }else
 
-  if( c=='d' && n>1 && strncmp(azArg[0], "databases", n)==0 && nArg==1 ){
+  if( c=='d' && n>1 && strncmp(azArg[0], "databases", n)==0 ){
     struct callback_data data;
     char *zErrMsg = 0;
     open_db(p, 0);
@@ -2273,11 +2301,16 @@ static int do_meta_command(char *zLine, struct callback_data *p){
     }
   }else
 
-  if( c=='d' && strncmp(azArg[0], "dump", n)==0 && nArg<3 ){
+  if( c=='d' && strncmp(azArg[0], "dump", n)==0 ){
     open_db(p, 0);
     /* When playing back a "dump", the content might appear in an order
     ** which causes immediate foreign key constraints to be violated.
     ** So disable foreign-key constraint enforcement to prevent problems. */
+    if( nArg!=1 && nArg!=2 ){
+      fprintf(stderr, "Usage: .dump ?LIKE-PATTERN?\n");
+      rc = 1;
+      goto meta_command_exit;
+    }
     fprintf(p->out, "PRAGMA foreign_keys=OFF;\n");
     fprintf(p->out, "BEGIN TRANSACTION;\n");
     p->writableSchema = 0;
@@ -2322,12 +2355,22 @@ static int do_meta_command(char *zLine, struct callback_data *p){
     fprintf(p->out, p->nErr ? "ROLLBACK; -- due to errors\n" : "COMMIT;\n");
   }else
 
-  if( c=='e' && strncmp(azArg[0], "echo", n)==0 && nArg>1 && nArg<3 ){
-    p->echoOn = booleanValue(azArg[1]);
+  if( c=='e' && strncmp(azArg[0], "echo", n)==0 ){
+    if( nArg==2 ){
+      p->echoOn = booleanValue(azArg[1]);
+    }else{
+      fprintf(stderr, "Usage: .echo on|off\n");
+      rc = 1;
+    }
   }else
 
-  if( c=='e' && strncmp(azArg[0], "eqp", n)==0 && nArg>1 && nArg<3 ){
-    p->autoEQP = booleanValue(azArg[1]);
+  if( c=='e' && strncmp(azArg[0], "eqp", n)==0 ){
+    if( nArg==2 ){
+      p->autoEQP = booleanValue(azArg[1]);
+    }else{
+      fprintf(stderr, "Usage: .eqp on|off\n");
+      rc = 1;
+    }   
   }else
 
   if( c=='e' && strncmp(azArg[0], "exit", n)==0 ){
@@ -2335,7 +2378,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
     rc = 2;
   }else
 
-  if( c=='e' && strncmp(azArg[0], "explain", n)==0 && nArg<3 ){
+  if( c=='e' && strncmp(azArg[0], "explain", n)==0 ){
     int val = nArg>=2 ? booleanValue(azArg[1]) : 1;
     if(val == 1) {
       if(!p->explainPrev.valid) {
@@ -2370,21 +2413,60 @@ static int do_meta_command(char *zLine, struct callback_data *p){
     }
   }else
 
-  if( c=='h' && (strncmp(azArg[0], "header", n)==0 ||
-                 strncmp(azArg[0], "headers", n)==0) && nArg>1 && nArg<3 ){
-    p->showHeader = booleanValue(azArg[1]);
+  if( c=='f' && strncmp(azArg[0], "fullschema", n)==0 ){
+    struct callback_data data;
+    char *zErrMsg = 0;
+    if( nArg!=1 ){
+      fprintf(stderr, "Usage: .fullschema\n");
+      rc = 1;
+      goto meta_command_exit;
+    }
+    open_db(p, 0);
+    memcpy(&data, p, sizeof(data));
+    data.showHeader = 0;
+    data.mode = MODE_Semi;
+    rc = sqlite3_exec(p->db,
+       "SELECT sql FROM"
+       "  (SELECT sql sql, type type, tbl_name tbl_name, name name, rowid x"
+       "     FROM sqlite_master UNION ALL"
+       "   SELECT sql, type, tbl_name, name, rowid FROM sqlite_temp_master) "
+       "WHERE type!='meta' AND sql NOTNULL AND name NOT LIKE 'sqlite_%'"
+       "ORDER BY rowid",
+       callback, &data, &zErrMsg
+    );
+    sqlite3_exec(p->db, "SELECT 'ANALYZE sqlite_master;'",
+                 callback, &data, &zErrMsg);
+    data.mode = MODE_Insert;
+    data.zDestTable = "sqlite_stat1";
+    shell_exec(p->db, "SELECT * FROM sqlite_stat1",
+               shell_callback, &data,&zErrMsg);
+    data.zDestTable = "sqlite_stat3";
+    shell_exec(p->db, "SELECT * FROM sqlite_stat3",
+               shell_callback, &data,&zErrMsg);
+    data.zDestTable = "sqlite_stat4";
+    shell_exec(p->db, "SELECT * FROM sqlite_stat4",
+               shell_callback, &data, &zErrMsg);
+    data.mode = MODE_Semi;
+    shell_exec(p->db, "SELECT 'ANALYZE sqlite_master;'",
+               shell_callback, &data, &zErrMsg);
   }else
 
-  if( c=='h' && strncmp(azArg[0], "help", n)==0 ){
-    fprintf(stderr,"%s",zHelp);
-    if( HAS_TIMER ){
-      fprintf(stderr,"%s",zTimerHelp);
+  if( c=='h' && strncmp(azArg[0], "headers", n)==0 ){
+    if( nArg==2 ){
+      p->showHeader = booleanValue(azArg[1]);
+    }else{
+      fprintf(stderr, "Usage: .headers on|off\n");
+      rc = 1;
     }
   }else
 
-  if( c=='i' && strncmp(azArg[0], "import", n)==0 && nArg==3 ){
-    char *zTable = azArg[2];    /* Insert data into this table */
-    char *zFile = azArg[1];     /* Name of file to extra content from */
+  if( c=='h' && strncmp(azArg[0], "help", n)==0 ){
+    fprintf(p->out, "%s", zHelp);
+  }else
+
+  if( c=='i' && strncmp(azArg[0], "import", n)==0 ){
+    char *zTable;               /* Insert data into this table */
+    char *zFile;                /* Name of file to extra content from */
     sqlite3_stmt *pStmt = NULL; /* A statement */
     int nCol;                   /* Number of columns in the table */
     int nByte;                  /* Number of bytes in an SQL string */
@@ -2395,6 +2477,12 @@ static int do_meta_command(char *zLine, struct callback_data *p){
     CSVReader sCsv;             /* Reader context */
     int (*xCloser)(FILE*);      /* Procedure to close th3 connection */
 
+    if( nArg!=3 ){
+      fprintf(stderr, "Usage: .import FILE TABLE\n");
+      goto meta_command_exit;
+    }
+    zFile = azArg[1];
+    zTable = azArg[2];
     seenInterrupt = 0;
     memset(&sCsv, 0, sizeof(sCsv));
     open_db(p, 0);
@@ -2505,7 +2593,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
                           "filling the rest with NULL\n",
                           sCsv.zFile, startLine, nCol, i+1);
           i++;
-          while( i<nCol ){ sqlite3_bind_null(pStmt, i); i++; }
+          while( i<=nCol ){ sqlite3_bind_null(pStmt, i); i++; }
         }
       }
       if( sCsv.cTerm==sCsv.cSeparator ){
@@ -2533,7 +2621,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
     if( needCommit ) sqlite3_exec(db, "COMMIT", 0, 0, 0);
   }else
 
-  if( c=='i' && strncmp(azArg[0], "indices", n)==0 && nArg<3 ){
+  if( c=='i' && strncmp(azArg[0], "indices", n)==0 ){
     struct callback_data data;
     char *zErrMsg = 0;
     open_db(p, 0);
@@ -2550,7 +2638,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
         "ORDER BY 1",
         callback, &data, &zErrMsg
       );
-    }else{
+    }else if( nArg==2 ){
       zShellStatic = azArg[1];
       rc = sqlite3_exec(p->db,
         "SELECT name FROM sqlite_master "
@@ -2562,6 +2650,10 @@ static int do_meta_command(char *zLine, struct callback_data *p){
         callback, &data, &zErrMsg
       );
       zShellStatic = 0;
+    }else{
+      fprintf(stderr, "Usage: .indices ?LIKE-PATTERN?\n");
+      rc = 1;
+      goto meta_command_exit;
     }
     if( zErrMsg ){
       fprintf(stderr,"Error: %s\n", zErrMsg);
@@ -2597,9 +2689,14 @@ static int do_meta_command(char *zLine, struct callback_data *p){
 #endif
 
 #ifndef SQLITE_OMIT_LOAD_EXTENSION
-  if( c=='l' && strncmp(azArg[0], "load", n)==0 && nArg>=2 ){
+  if( c=='l' && strncmp(azArg[0], "load", n)==0 ){
     const char *zFile, *zProc;
     char *zErrMsg = 0;
+    if( nArg<2 ){
+      fprintf(stderr, "Usage: .load FILE ?ENTRYPOINT?\n");
+      rc = 1;
+      goto meta_command_exit;
+    }
     zFile = azArg[1];
     zProc = nArg>=3 ? azArg[2] : 0;
     open_db(p, 0);
@@ -2612,38 +2709,41 @@ static int do_meta_command(char *zLine, struct callback_data *p){
   }else
 #endif
 
-  if( c=='l' && strncmp(azArg[0], "log", n)==0 && nArg>=2 ){
-    const char *zFile = azArg[1];
-    output_file_close(p->pLog);
-    p->pLog = output_file_open(zFile);
+  if( c=='l' && strncmp(azArg[0], "log", n)==0 ){
+    if( nArg!=2 ){
+      fprintf(stderr, "Usage: .log FILENAME\n");
+      rc = 1;
+    }else{
+      const char *zFile = azArg[1];
+      output_file_close(p->pLog);
+      p->pLog = output_file_open(zFile);
+    }
   }else
 
-  if( c=='m' && strncmp(azArg[0], "mode", n)==0 && nArg==2 ){
-    int n2 = strlen30(azArg[1]);
-    if( (n2==4 && strncmp(azArg[1],"line",n2)==0)
-        ||
-        (n2==5 && strncmp(azArg[1],"lines",n2)==0) ){
+  if( c=='m' && strncmp(azArg[0], "mode", n)==0 ){
+    const char *zMode = nArg>=2 ? azArg[1] : "";
+    int n2 = (int)strlen(zMode);
+    int c2 = zMode[0];
+    if( c2=='l' && n2>2 && strncmp(azArg[1],"lines",n2)==0 ){
       p->mode = MODE_Line;
-    }else if( (n2==6 && strncmp(azArg[1],"column",n2)==0)
-              ||
-              (n2==7 && strncmp(azArg[1],"columns",n2)==0) ){
+    }else if( c2=='c' && strncmp(azArg[1],"columns",n2)==0 ){
       p->mode = MODE_Column;
-    }else if( n2==4 && strncmp(azArg[1],"list",n2)==0 ){
+    }else if( c2=='l' && n2>2 && strncmp(azArg[1],"list",n2)==0 ){
       p->mode = MODE_List;
-    }else if( n2==4 && strncmp(azArg[1],"html",n2)==0 ){
+    }else if( c2=='h' && strncmp(azArg[1],"html",n2)==0 ){
       p->mode = MODE_Html;
-    }else if( n2==3 && strncmp(azArg[1],"tcl",n2)==0 ){
+    }else if( c2=='t' && strncmp(azArg[1],"tcl",n2)==0 ){
       p->mode = MODE_Tcl;
       sqlite3_snprintf(sizeof(p->separator), p->separator, " ");
-    }else if( n2==3 && strncmp(azArg[1],"csv",n2)==0 ){
+    }else if( c2=='c' && strncmp(azArg[1],"csv",n2)==0 ){
       p->mode = MODE_Csv;
       sqlite3_snprintf(sizeof(p->separator), p->separator, ",");
-    }else if( n2==4 && strncmp(azArg[1],"tabs",n2)==0 ){
+    }else if( c2=='t' && strncmp(azArg[1],"tabs",n2)==0 ){
       p->mode = MODE_List;
       sqlite3_snprintf(sizeof(p->separator), p->separator, "\t");
-    }else if( n2==6 && strncmp(azArg[1],"insert",n2)==0 ){
+    }else if( c2=='i' && strncmp(azArg[1],"insert",n2)==0 ){
       p->mode = MODE_Insert;
-      set_table_name(p, "table");
+      set_table_name(p, nArg>=3 ? azArg[2] : "table");
     }else {
       fprintf(stderr,"Error: mode should be one of: "
          "column csv html insert line list tabs tcl\n");
@@ -2651,23 +2751,16 @@ static int do_meta_command(char *zLine, struct callback_data *p){
     }
   }else
 
-  if( c=='m' && strncmp(azArg[0], "mode", n)==0 && nArg==3 ){
-    int n2 = strlen30(azArg[1]);
-    if( n2==6 && strncmp(azArg[1],"insert",n2)==0 ){
-      p->mode = MODE_Insert;
-      set_table_name(p, azArg[2]);
-    }else {
-      fprintf(stderr, "Error: invalid arguments: "
-        " \"%s\". Enter \".help\" for help\n", azArg[2]);
+  if( c=='n' && strncmp(azArg[0], "nullvalue", n)==0 ){
+    if( nArg==2 ){
+      sqlite3_snprintf(sizeof(p->nullvalue), p->nullvalue,
+                       "%.*s", (int)ArraySize(p->nullvalue)-1, azArg[1]);
+    }else{
+      fprintf(stderr, "Usage: .nullvalue STRING\n");
       rc = 1;
     }
   }else
 
-  if( c=='n' && strncmp(azArg[0], "nullvalue", n)==0 && nArg==2 ) {
-    sqlite3_snprintf(sizeof(p->nullvalue), p->nullvalue,
-                     "%.*s", (int)ArraySize(p->nullvalue)-1, azArg[1]);
-  }else
-
   if( c=='o' && strncmp(azArg[0], "open", n)==0 && n>=2 ){
     sqlite3 *savedDb = p->db;
     const char *zSavedFilename = p->zDbFilename;
@@ -2688,32 +2781,45 @@ static int do_meta_command(char *zLine, struct callback_data *p){
     }
   }else
 
-  if( c=='o' && strncmp(azArg[0], "output", n)==0 && nArg==2 ){
-    if( p->outfile[0]=='|' ){
-      pclose(p->out);
-    }else{
-      output_file_close(p->out);
+  if( c=='o'
+   && (strncmp(azArg[0], "output", n)==0 || strncmp(azArg[0], "once", n)==0)
+  ){
+    const char *zFile = nArg>=2 ? azArg[1] : "stdout";
+    if( nArg>2 ){
+      fprintf(stderr, "Usage: .%s FILE\n", azArg[0]);
+      rc = 1;
+      goto meta_command_exit;
     }
-    p->outfile[0] = 0;
-    if( azArg[1][0]=='|' ){
-      p->out = popen(&azArg[1][1], "w");
+    if( n>1 && strncmp(azArg[0], "once", n)==0 ){
+      if( nArg<2 ){
+        fprintf(stderr, "Usage: .once FILE\n");
+        rc = 1;
+        goto meta_command_exit;
+      }
+      p->outCount = 2;
+    }else{
+      p->outCount = 0;
+    }
+    output_reset(p);
+    if( zFile[0]=='|' ){
+      p->out = popen(zFile + 1, "w");
       if( p->out==0 ){
-        fprintf(stderr,"Error: cannot open pipe \"%s\"\n", &azArg[1][1]);
+        fprintf(stderr,"Error: cannot open pipe \"%s\"\n", zFile + 1);
         p->out = stdout;
         rc = 1;
       }else{
-        sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", azArg[1]);
+        sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", zFile);
       }
     }else{
-      p->out = output_file_open(azArg[1]);
+      p->out = output_file_open(zFile);
       if( p->out==0 ){
-        if( strcmp(azArg[1],"off")!=0 ){
-          fprintf(stderr,"Error: cannot write to \"%s\"\n", azArg[1]);
+        if( strcmp(zFile,"off")!=0 ){
+          fprintf(stderr,"Error: cannot write to \"%s\"\n", zFile);
         }
         p->out = stdout;
         rc = 1;
       } else {
-        sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", azArg[1]);
+        sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", zFile);
       }
     }
   }else
@@ -2727,7 +2833,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
     fprintf(p->out, "\n");
   }else
 
-  if( c=='p' && strncmp(azArg[0], "prompt", n)==0 && (nArg==2 || nArg==3)){
+  if( c=='p' && strncmp(azArg[0], "prompt", n)==0 ){
     if( nArg >= 2) {
       strncpy(mainPrompt,azArg[1],(int)ArraySize(mainPrompt)-1);
     }
@@ -2736,12 +2842,18 @@ static int do_meta_command(char *zLine, struct callback_data *p){
     }
   }else
 
-  if( c=='q' && strncmp(azArg[0], "quit", n)==0 && nArg==1 ){
+  if( c=='q' && strncmp(azArg[0], "quit", n)==0 ){
     rc = 2;
   }else
 
-  if( c=='r' && n>=3 && strncmp(azArg[0], "read", n)==0 && nArg==2 ){
-    FILE *alt = fopen(azArg[1], "rb");
+  if( c=='r' && n>=3 && strncmp(azArg[0], "read", n)==0 ){
+    FILE *alt;
+    if( nArg!=2 ){
+      fprintf(stderr, "Usage: .read FILE\n");
+      rc = 1;
+      goto meta_command_exit;
+    }
+    alt = fopen(azArg[1], "rb");
     if( alt==0 ){
       fprintf(stderr,"Error: cannot open \"%s\"\n", azArg[1]);
       rc = 1;
@@ -2751,7 +2863,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
     }
   }else
 
-  if( c=='r' && n>=3 && strncmp(azArg[0], "restore", n)==0 && nArg>1 && nArg<4){
+  if( c=='r' && n>=3 && strncmp(azArg[0], "restore", n)==0 ){
     const char *zSrcFile;
     const char *zDb;
     sqlite3 *pSrc;
@@ -2761,9 +2873,13 @@ static int do_meta_command(char *zLine, struct callback_data *p){
     if( nArg==2 ){
       zSrcFile = azArg[1];
       zDb = "main";
-    }else{
+    }else if( nArg==3 ){
       zSrcFile = azArg[2];
       zDb = azArg[1];
+    }else{
+      fprintf(stderr, "Usage: .restore ?DB? FILE\n");
+      rc = 1;
+      goto meta_command_exit;
     }
     rc = sqlite3_open(zSrcFile, &pSrc);
     if( rc!=SQLITE_OK ){
@@ -2798,14 +2914,14 @@ static int do_meta_command(char *zLine, struct callback_data *p){
     sqlite3_close(pSrc);
   }else
 
-  if( c=='s' && strncmp(azArg[0], "schema", n)==0 && nArg<3 ){
+  if( c=='s' && strncmp(azArg[0], "schema", n)==0 ){
     struct callback_data data;
     char *zErrMsg = 0;
     open_db(p, 0);
     memcpy(&data, p, sizeof(data));
     data.showHeader = 0;
     data.mode = MODE_Semi;
-    if( nArg>1 ){
+    if( nArg==2 ){
       int i;
       for(i=0; azArg[1][i]; i++) azArg[1][i] = ToLower(azArg[1][i]);
       if( strcmp(azArg[1],"sqlite_master")==0 ){
@@ -2849,7 +2965,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
           callback, &data, &zErrMsg);
         zShellStatic = 0;
       }
-    }else{
+    }else if( nArg==1 ){
       rc = sqlite3_exec(p->db,
          "SELECT sql FROM "
          "  (SELECT sql sql, type type, tbl_name tbl_name, name name, rowid x"
@@ -2859,6 +2975,10 @@ static int do_meta_command(char *zLine, struct callback_data *p){
          "ORDER BY rowid",
          callback, &data, &zErrMsg
       );
+    }else{
+      fprintf(stderr, "Usage: .schema ?LIKE-PATTERN?\n");
+      rc = 1;
+      goto meta_command_exit;
     }
     if( zErrMsg ){
       fprintf(stderr,"Error: %s\n", zErrMsg);
@@ -2888,20 +3008,49 @@ static int do_meta_command(char *zLine, struct callback_data *p){
       for(i=1; i<nArg; i++){
         char zBuf[200];
         v = integerValue(azArg[i]);
-        sqlite3_snprintf(sizeof(zBuf), zBuf, "%s: %lld 0x%llx\n", azArg[i], v, v);
+        sqlite3_snprintf(sizeof(zBuf),zBuf,"%s: %lld 0x%llx\n", azArg[i],v,v);
         fprintf(p->out, "%s", zBuf);
       }
     }
   }else
 #endif
 
-  if( c=='s' && strncmp(azArg[0], "separator", n)==0 && nArg==2 ){
-    sqlite3_snprintf(sizeof(p->separator), p->separator,
-                     "%.*s", (int)sizeof(p->separator)-1, azArg[1]);
+  if( c=='s' && strncmp(azArg[0], "separator", n)==0 ){
+    if( nArg==2 ){
+      sqlite3_snprintf(sizeof(p->separator), p->separator,
+                       "%.*s", (int)sizeof(p->separator)-1, azArg[1]);
+    }else{
+      fprintf(stderr, "Usage: .separator STRING\n");
+      rc = 1;
+    }
   }else
 
-  if( c=='s' && strncmp(azArg[0], "show", n)==0 && nArg==1 ){
+  if( c=='s'
+   && (strncmp(azArg[0], "shell", n)==0 || strncmp(azArg[0],"system",n)==0)
+  ){
+    char *zCmd;
     int i;
+    if( nArg<2 ){
+      fprintf(stderr, "Usage: .system COMMAND\n");
+      rc = 1;
+      goto meta_command_exit;
+    }
+    zCmd = sqlite3_mprintf(strchr(azArg[1],' ')==0?"%s":"\"%s\"", azArg[1]);
+    for(i=2; i<nArg; i++){
+      zCmd = sqlite3_mprintf(strchr(azArg[i],' ')==0?"%z %s":"%z \"%s\"",
+                             zCmd, azArg[i]);
+    }
+    (void)system(zCmd);
+    sqlite3_free(zCmd);
+  }else
+
+  if( c=='s' && strncmp(azArg[0], "show", n)==0 ){
+    int i;
+    if( nArg!=1 ){
+      fprintf(stderr, "Usage: .show\n");
+      rc = 1;
+      goto meta_command_exit;
+    }
     fprintf(p->out,"%9.9s: %s\n","echo", p->echoOn ? "on" : "off");
     fprintf(p->out,"%9.9s: %s\n","eqp", p->autoEQP ? "on" : "off");
     fprintf(p->out,"%9.9s: %s\n","explain", p->explainPrev.valid ? "on" :"off");
@@ -2923,11 +3072,16 @@ static int do_meta_command(char *zLine, struct callback_data *p){
     fprintf(p->out,"\n");
   }else
 
-  if( c=='s' && strncmp(azArg[0], "stats", n)==0 && nArg>1 && nArg<3 ){
-    p->statsOn = booleanValue(azArg[1]);
+  if( c=='s' && strncmp(azArg[0], "stats", n)==0 ){
+    if( nArg==2 ){
+      p->statsOn = booleanValue(azArg[1]);
+    }else{
+      fprintf(stderr, "Usage: .stats on|off\n");
+      rc = 1;
+    }
   }else
 
-  if( c=='t' && n>1 && strncmp(azArg[0], "tables", n)==0 && nArg<3 ){
+  if( c=='t' && n>1 && strncmp(azArg[0], "tables", n)==0 ){
     sqlite3_stmt *pStmt;
     char **azResult;
     int nRow, nAlloc;
@@ -3133,20 +3287,32 @@ static int do_meta_command(char *zLine, struct callback_data *p){
     }
   }else
 
-  if( c=='t' && n>4 && strncmp(azArg[0], "timeout", n)==0 && nArg==2 ){
+  if( c=='t' && n>4 && strncmp(azArg[0], "timeout", n)==0 ){
     open_db(p, 0);
-    sqlite3_busy_timeout(p->db, (int)integerValue(azArg[1]));
+    sqlite3_busy_timeout(p->db, nArg>=2 ? (int)integerValue(azArg[1]) : 0);
   }else
     
-  if( HAS_TIMER && c=='t' && n>=5 && strncmp(azArg[0], "timer", n)==0
-   && nArg==2
-  ){
-    enableTimer = booleanValue(azArg[1]);
+  if( c=='t' && n>=5 && strncmp(azArg[0], "timer", n)==0 ){
+    if( nArg==2 ){
+      enableTimer = booleanValue(azArg[1]);
+      if( enableTimer && !HAS_TIMER ){
+        fprintf(stderr, "Error: timer not available on this system.\n");
+        enableTimer = 0;
+      }
+    }else{
+      fprintf(stderr, "Usage: .timer on|off\n");
+      rc = 1;
+    }
   }else
   
-  if( c=='t' && strncmp(azArg[0], "trace", n)==0 && nArg>1 ){
+  if( c=='t' && strncmp(azArg[0], "trace", n)==0 ){
     open_db(p, 0);
     output_file_close(p->traceOut);
+    if( nArg!=2 ){
+      fprintf(stderr, "Usage: .trace FILE|off\n");
+      rc = 1;
+      goto meta_command_exit;
+    }
     p->traceOut = output_file_open(azArg[1]);
 #if !defined(SQLITE_OMIT_TRACE) && !defined(SQLITE_OMIT_FLOATING_POINT)
     if( p->traceOut==0 ){
@@ -3177,11 +3343,11 @@ static int do_meta_command(char *zLine, struct callback_data *p){
 #if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_WHERETRACE)
   if( c=='w' && strncmp(azArg[0], "wheretrace", n)==0 ){
     extern int sqlite3WhereTrace;
-    sqlite3WhereTrace = booleanValue(azArg[1]);
+    sqlite3WhereTrace = nArg>=2 ? booleanValue(azArg[1]) : 0xff;
   }else
 #endif
 
-  if( c=='w' && strncmp(azArg[0], "width", n)==0 && nArg>1 ){
+  if( c=='w' && strncmp(azArg[0], "width", n)==0 ){
     int j;
     assert( nArg<=ArraySize(azArg) );
     for(j=1; j<nArg && j<ArraySize(p->colWidth); j++){
@@ -3195,6 +3361,11 @@ static int do_meta_command(char *zLine, struct callback_data *p){
     rc = 1;
   }
 
+meta_command_exit:
+  if( p->outCount ){
+    p->outCount--;
+    if( p->outCount==0 ) output_reset(p);
+  }
   return rc;
 }
 
@@ -3362,6 +3533,10 @@ static int process_input(struct callback_data *p, FILE *in){
         errCnt++;
       }
       nSql = 0;
+      if( p->outCount ){
+        output_reset(p);
+        p->outCount = 0;
+      }
     }else if( nSql && _all_whitespace(zSql) ){
       if( p->echoOn ) printf("%s\n", zSql);
       nSql = 0;

src/sqlite.h.in

@@ -942,6 +942,12 @@ struct sqlite3_io_methods {
 ** on whether or not the file has been renamed, moved, or deleted since it
 ** was first opened.
 **
+** <li>[[SQLITE_FCNTL_WIN32_SET_HANDLE]]
+** The [SQLITE_FCNTL_WIN32_SET_HANDLE] opcode is used for debugging.  This
+** opcode causes the xFileControl method to swap the file handle with the one
+** pointed to by the pArg argument.  This capability is used during testing
+** and only needs to be supported when SQLITE_TEST is defined.
+**
 ** </ul>
 */
 #define SQLITE_FCNTL_LOCKSTATE               1
@@ -965,6 +971,7 @@ struct sqlite3_io_methods {
 #define SQLITE_FCNTL_HAS_MOVED              20
 #define SQLITE_FCNTL_SYNC                   21
 #define SQLITE_FCNTL_COMMIT_PHASETWO        22
+#define SQLITE_FCNTL_WIN32_SET_HANDLE       23
 
 /*
 ** CAPI3REF: Mutex Handle

src/sqliteInt.h

@@ -1694,7 +1694,7 @@ struct Index {
   u16 nKeyCol;             /* Number of columns forming the key */
   u16 nColumn;             /* Number of columns stored in the index */
   u8 onError;              /* OE_Abort, OE_Ignore, OE_Replace, or OE_None */
-  unsigned autoIndex:2;    /* 1==UNIQUE, 2==PRIMARY KEY, 0==CREATE INDEX */
+  unsigned idxType:2;      /* 1==UNIQUE, 2==PRIMARY KEY, 0==CREATE INDEX */
   unsigned bUnordered:1;   /* Use this index for == or IN queries only */
   unsigned uniqNotNull:1;  /* True if UNIQUE and NOT NULL for all columns */
   unsigned isResized:1;    /* True if resizeIndexObject() has been called */
@@ -1707,6 +1707,16 @@ struct Index {
 #endif
 };
 
+/*
+** Allowed values for Index.idxType
+*/
+#define SQLITE_IDXTYPE_APPDEF      0   /* Created using CREATE INDEX */
+#define SQLITE_IDXTYPE_UNIQUE      1   /* Implements a UNIQUE constraint */
+#define SQLITE_IDXTYPE_PRIMARYKEY  2   /* Is the PRIMARY KEY for the table */
+
+/* Return true if index X is a PRIMARY KEY index */
+#define IsPrimaryKeyIndex(X)  ((X)->idxType==SQLITE_IDXTYPE_PRIMARYKEY)
+
 /*
 ** Each sample stored in the sqlite_stat3 table is represented in memory 
 ** using a structure of this type.  See documentation at the top of the
@@ -3421,7 +3431,9 @@ void sqlite3BackupUpdate(sqlite3_backup *, Pgno, const u8 *);
 #ifdef SQLITE_ENABLE_STAT3_OR_STAT4
 void sqlite3AnalyzeFunctions(void);
 int sqlite3Stat4ProbeSetValue(Parse*,Index*,UnpackedRecord**,Expr*,u8,int,int*);
+int sqlite3Stat4ValueFromExpr(Parse*, Expr*, u8, sqlite3_value**);
 void sqlite3Stat4ProbeFree(UnpackedRecord*);
+int sqlite3Stat4Column(sqlite3*, const void*, int, int, sqlite3_value**);
 #endif
 
 /*

src/test1.c

@@ -117,6 +117,16 @@ int getDbPointer(Tcl_Interp *interp, const char *zA, sqlite3 **ppDb){
   return TCL_OK;
 }
 
+#if SQLITE_OS_WIN
+/*
+** Decode a Win32 HANDLE object.
+*/
+int getWin32Handle(Tcl_Interp *interp, const char *zA, LPHANDLE phFile){
+  *phFile = (HANDLE)sqlite3TestTextToPtr(zA);
+  return TCL_OK;
+}
+#endif
+
 extern const char *sqlite3ErrName(int);
 #define t1ErrorName sqlite3ErrName
 
@@ -5210,6 +5220,7 @@ static int file_control_lockproxy_test(
   return TCL_OK;  
 }
 
+#if SQLITE_OS_WIN
 /*
 ** tclcmd:   file_control_win32_av_retry DB  NRETRY  DELAY
 **
@@ -5243,6 +5254,42 @@ static int file_control_win32_av_retry(
   return TCL_OK;  
 }
 
+/*
+** tclcmd:   file_control_win32_set_handle DB HANDLE
+**
+** This TCL command runs the sqlite3_file_control interface with
+** the SQLITE_FCNTL_WIN32_SET_HANDLE opcode.
+*/
+static int file_control_win32_set_handle(
+  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
+  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
+  int objc,              /* Number of arguments */
+  Tcl_Obj *CONST objv[]  /* Command arguments */
+){
+  sqlite3 *db;
+  int rc;
+  HANDLE hFile = NULL;
+  char z[100];
+
+  if( objc!=3 ){
+    Tcl_AppendResult(interp, "wrong # args: should be \"",
+        Tcl_GetStringFromObj(objv[0], 0), " DB HANDLE", 0);
+    return TCL_ERROR;
+  }
+  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
+    return TCL_ERROR;
+  }
+  if( getWin32Handle(interp, Tcl_GetString(objv[2]), &hFile) ){
+    return TCL_ERROR;
+  }
+  rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_SET_HANDLE,
+                            (void*)&hFile);
+  sqlite3_snprintf(sizeof(z), z, "%d %p", rc, (void*)hFile);
+  Tcl_AppendResult(interp, z, (char*)0);
+  return TCL_OK;  
+}
+#endif
+
 /*
 ** tclcmd:   file_control_persist_wal DB PERSIST-FLAG
 **
@@ -6234,6 +6281,7 @@ static int tclLoadStaticExtensionCmd(
 ){
   extern int sqlite3_amatch_init(sqlite3*,char**,const sqlite3_api_routines*);
   extern int sqlite3_closure_init(sqlite3*,char**,const sqlite3_api_routines*);
+  extern int sqlite3_fileio_init(sqlite3*,char**,const sqlite3_api_routines*);
   extern int sqlite3_fuzzer_init(sqlite3*,char**,const sqlite3_api_routines*);
   extern int sqlite3_ieee_init(sqlite3*,char**,const sqlite3_api_routines*);
   extern int sqlite3_nextchar_init(sqlite3*,char**,const sqlite3_api_routines*);
@@ -6248,6 +6296,7 @@ static int tclLoadStaticExtensionCmd(
   } aExtension[] = {
     { "amatch",                sqlite3_amatch_init               },
     { "closure",               sqlite3_closure_init              },
+    { "fileio",                sqlite3_fileio_init               },
     { "fuzzer",                sqlite3_fuzzer_init               },
     { "ieee754",               sqlite3_ieee_init                 },
     { "nextchar",              sqlite3_nextchar_init             },
@@ -6472,7 +6521,10 @@ int Sqlitetest1_Init(Tcl_Interp *interp){
      { "file_control_lockproxy_test", file_control_lockproxy_test,  0   },
      { "file_control_chunksize_test", file_control_chunksize_test,  0   },
      { "file_control_sizehint_test",  file_control_sizehint_test,   0   },
+#if SQLITE_OS_WIN
      { "file_control_win32_av_retry", file_control_win32_av_retry,  0   },
+     { "file_control_win32_set_handle", file_control_win32_set_handle, 0  },
+#endif
      { "file_control_persist_wal",    file_control_persist_wal,     0   },
      { "file_control_powersafe_overwrite",file_control_powersafe_overwrite,0},
      { "file_control_vfsname",        file_control_vfsname,         0   },

src/update.c

@@ -187,7 +187,7 @@ void sqlite3Update(
   iIdxCur = iDataCur+1;
   pPk = HasRowid(pTab) ? 0 : sqlite3PrimaryKeyIndex(pTab);
   for(nIdx=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, nIdx++){
-    if( pIdx->autoIndex==2 && pPk!=0 ){
+    if( IsPrimaryKeyIndex(pIdx) && pPk!=0 ){
       iDataCur = pParse->nTab;
       pTabList->a[0].iCursor = iDataCur;
     }

src/utf.c

@@ -148,8 +148,8 @@ static const unsigned char sqlite3Utf8Trans1[] = {
 **     and rendered as themselves even though they are technically
 **     invalid characters.
 **
-**  *  This routine accepts an infinite number of different UTF8 encodings
-**     for unicode values 0x80 and greater.  It do not change over-length
+**  *  This routine accepts over-length UTF8 encodings
+**     for unicode values 0x80 and greater.  It does not change over-length
 **     encodings to 0xfffd as some systems recommend.
 */
 #define READ_UTF8(zIn, zTerm, c)                           \

src/vdbe.c

@@ -6281,7 +6281,7 @@ case OP_Init: {          /* jump */
   if( zTrace ){
     int i;
     for(i=0; i<db->nDb; i++){
-      if( MASKBIT(i) & p->btreeMask)==0 ) continue;
+      if( (MASKBIT(i) & p->btreeMask)==0 ) continue;
       sqlite3_file_control(db, db->aDb[i].zName, SQLITE_FCNTL_TRACE, zTrace);
     }
   }

src/vdbe.h

@@ -209,6 +209,7 @@ void sqlite3VdbeSetVarmask(Vdbe*, int);
 #ifndef SQLITE_OMIT_TRACE
   char *sqlite3VdbeExpandSql(Vdbe*, const char*);
 #endif
+int sqlite3MemCompare(const Mem*, const Mem*, const CollSeq*);
 
 void sqlite3VdbeRecordUnpack(KeyInfo*,int,const void*,UnpackedRecord*);
 int sqlite3VdbeRecordCompare(int,const void*,UnpackedRecord*,int);

src/vdbeInt.h

@@ -394,7 +394,6 @@ void sqlite3VdbeDeleteAuxData(Vdbe*, int, int);
 int sqlite2BtreeKeyCompare(BtCursor *, const void *, int, int, int *);
 int sqlite3VdbeIdxKeyCompare(VdbeCursor*,UnpackedRecord*,int*);
 int sqlite3VdbeIdxRowid(sqlite3*, BtCursor *, i64 *);
-int sqlite3MemCompare(const Mem*, const Mem*, const CollSeq*);
 int sqlite3VdbeExec(Vdbe*);
 int sqlite3VdbeList(Vdbe*);
 int sqlite3VdbeHalt(Vdbe*);

src/vdbeaux.c

@@ -3589,6 +3589,7 @@ int sqlite3VdbeRecordCompare(
   ** value.  */
   assert( CORRUPT_DB 
        || pPKey2->default_rc==vdbeRecordCompareDebug(nKey1, pKey1, pPKey2) 
+       || pKeyInfo->db->mallocFailed
   );
   return pPKey2->default_rc;
 }
@@ -3754,6 +3755,7 @@ static int vdbeRecordCompareString(
        || (res<0 && vdbeRecordCompareDebug(nKey1, pKey1, pPKey2)<0)
        || (res>0 && vdbeRecordCompareDebug(nKey1, pKey1, pPKey2)>0)
        || CORRUPT_DB
+       || pPKey2->pKeyInfo->db->mallocFailed
   );
   return res;
 }

src/vdbemem.c

@@ -1152,6 +1152,68 @@ void sqlite3AnalyzeFunctions(void){
   }
 }
 
+/*
+** Attempt to extract a value from pExpr and use it to construct *ppVal.
+**
+** If pAlloc is not NULL, then an UnpackedRecord object is created for
+** pAlloc if one does not exist and the new value is added to the
+** UnpackedRecord object.
+**
+** A value is extracted in the following cases:
+**
+**  * (pExpr==0). In this case the value is assumed to be an SQL NULL,
+**
+**  * The expression is a bound variable, and this is a reprepare, or
+**
+**  * The expression is a literal value.
+**
+** On success, *ppVal is made to point to the extracted value.  The caller
+** is responsible for ensuring that the value is eventually freed.
+*/
+static int stat4ValueFromExpr(
+  Parse *pParse,                  /* Parse context */
+  Expr *pExpr,                    /* The expression to extract a value from */
+  u8 affinity,                    /* Affinity to use */
+  struct ValueNewStat4Ctx *pAlloc,/* How to allocate space.  Or NULL */
+  sqlite3_value **ppVal           /* OUT: New value object (or NULL) */
+){
+  int rc = SQLITE_OK;
+  sqlite3_value *pVal = 0;
+  sqlite3 *db = pParse->db;
+
+  /* Skip over any TK_COLLATE nodes */
+  pExpr = sqlite3ExprSkipCollate(pExpr);
+
+  if( !pExpr ){
+    pVal = valueNew(db, pAlloc);
+    if( pVal ){
+      sqlite3VdbeMemSetNull((Mem*)pVal);
+    }
+  }else if( pExpr->op==TK_VARIABLE
+        || NEVER(pExpr->op==TK_REGISTER && pExpr->op2==TK_VARIABLE)
+  ){
+    Vdbe *v;
+    int iBindVar = pExpr->iColumn;
+    sqlite3VdbeSetVarmask(pParse->pVdbe, iBindVar);
+    if( (v = pParse->pReprepare)!=0 ){
+      pVal = valueNew(db, pAlloc);
+      if( pVal ){
+        rc = sqlite3VdbeMemCopy((Mem*)pVal, &v->aVar[iBindVar-1]);
+        if( rc==SQLITE_OK ){
+          sqlite3ValueApplyAffinity(pVal, affinity, ENC(db));
+        }
+        pVal->db = pParse->db;
+      }
+    }
+  }else{
+    rc = valueFromExpr(db, pExpr, ENC(db), affinity, &pVal, pAlloc);
+  }
+
+  assert( pVal==0 || pVal->db==db );
+  *ppVal = pVal;
+  return rc;
+}
+
 /*
 ** This function is used to allocate and populate UnpackedRecord 
 ** structures intended to be compared against sample index keys stored 
@@ -1191,50 +1253,88 @@ int sqlite3Stat4ProbeSetValue(
   int iVal,                       /* Array element to populate */
   int *pbOk                       /* OUT: True if value was extracted */
 ){
-  int rc = SQLITE_OK;
+  int rc;
   sqlite3_value *pVal = 0;
-  sqlite3 *db = pParse->db;
-
-
   struct ValueNewStat4Ctx alloc;
+
   alloc.pParse = pParse;
   alloc.pIdx = pIdx;
   alloc.ppRec = ppRec;
   alloc.iVal = iVal;
 
-  /* Skip over any TK_COLLATE nodes */
-  pExpr = sqlite3ExprSkipCollate(pExpr);
-
-  if( !pExpr ){
-    pVal = valueNew(db, &alloc);
-    if( pVal ){
-      sqlite3VdbeMemSetNull((Mem*)pVal);
-    }
-  }else if( pExpr->op==TK_VARIABLE
-        || NEVER(pExpr->op==TK_REGISTER && pExpr->op2==TK_VARIABLE)
-  ){
-    Vdbe *v;
-    int iBindVar = pExpr->iColumn;
-    sqlite3VdbeSetVarmask(pParse->pVdbe, iBindVar);
-    if( (v = pParse->pReprepare)!=0 ){
-      pVal = valueNew(db, &alloc);
-      if( pVal ){
-        rc = sqlite3VdbeMemCopy((Mem*)pVal, &v->aVar[iBindVar-1]);
-        if( rc==SQLITE_OK ){
-          sqlite3ValueApplyAffinity(pVal, affinity, ENC(db));
-        }
-        pVal->db = pParse->db;
-      }
-    }
-  }else{
-    rc = valueFromExpr(db, pExpr, ENC(db), affinity, &pVal, &alloc);
-  }
+  rc = stat4ValueFromExpr(pParse, pExpr, affinity, &alloc, &pVal);
+  assert( pVal==0 || pVal->db==pParse->db );
   *pbOk = (pVal!=0);
-
-  assert( pVal==0 || pVal->db==db );
   return rc;
 }
 
+/*
+** Attempt to extract a value from expression pExpr using the methods
+** as described for sqlite3Stat4ProbeSetValue() above. 
+**
+** If successful, set *ppVal to point to a new value object and return 
+** SQLITE_OK. If no value can be extracted, but no other error occurs
+** (e.g. OOM), return SQLITE_OK and set *ppVal to NULL. Or, if an error
+** does occur, return an SQLite error code. The final value of *ppVal
+** is undefined in this case.
+*/
+int sqlite3Stat4ValueFromExpr(
+  Parse *pParse,                  /* Parse context */
+  Expr *pExpr,                    /* The expression to extract a value from */
+  u8 affinity,                    /* Affinity to use */
+  sqlite3_value **ppVal           /* OUT: New value object (or NULL) */
+){
+  return stat4ValueFromExpr(pParse, pExpr, affinity, 0, ppVal);
+}
+
+/*
+** Extract the iCol-th column from the nRec-byte record in pRec.  Write
+** the column value into *ppVal.  If *ppVal is initially NULL then a new
+** sqlite3_value object is allocated.
+**
+** If *ppVal is initially NULL then the caller is responsible for 
+** ensuring that the value written into *ppVal is eventually freed.
+*/
+int sqlite3Stat4Column(
+  sqlite3 *db,                    /* Database handle */
+  const void *pRec,               /* Pointer to buffer containing record */
+  int nRec,                       /* Size of buffer pRec in bytes */
+  int iCol,                       /* Column to extract */
+  sqlite3_value **ppVal           /* OUT: Extracted value */
+){
+  u32 t;                          /* a column type code */
+  int nHdr;                       /* Size of the header in the record */
+  int iHdr;                       /* Next unread header byte */
+  int iField;                     /* Next unread data byte */
+  int szField;                    /* Size of the current data field */
+  int i;                          /* Column index */
+  u8 *a = (u8*)pRec;              /* Typecast byte array */
+  Mem *pMem = *ppVal;             /* Write result into this Mem object */
+
+  assert( iCol>0 );
+  iHdr = getVarint32(a, nHdr);
+  if( nHdr>nRec || iHdr>=nHdr ) return SQLITE_CORRUPT_BKPT;
+  iField = nHdr;
+  for(i=0; i<=iCol; i++){
+    iHdr += getVarint32(&a[iHdr], t);
+    testcase( iHdr==nHdr );
+    testcase( iHdr==nHdr+1 );
+    if( iHdr>nHdr ) return SQLITE_CORRUPT_BKPT;
+    szField = sqlite3VdbeSerialTypeLen(t);
+    iField += szField;
+  }
+  testcase( iField==nRec );
+  testcase( iField==nRec+1 );
+  if( iField>nRec ) return SQLITE_CORRUPT_BKPT;
+  if( pMem==0 ){
+    pMem = *ppVal = sqlite3ValueNew(db);
+    if( pMem==0 ) return SQLITE_NOMEM;
+  }
+  sqlite3VdbeSerialGet(&a[iField-szField], t, pMem);
+  pMem->enc = ENC(db);
+  return SQLITE_OK;
+}
+
 /*
 ** Unless it is NULL, the argument must be an UnpackedRecord object returned
 ** by an earlier call to sqlite3Stat4ProbeSetValue(). This call deletes

src/vdbesort.c

@@ -350,7 +350,6 @@ static int vdbeSorterIterInit(
       rc = sqlite3OsRead(
           pSorter->pTemp1, &pIter->aBuffer[iBuf], nRead, iStart
       );
-      assert( rc!=SQLITE_IOERR_SHORT_READ );
     }
 
     if( rc==SQLITE_OK ){

src/wal.c

@@ -2096,8 +2096,8 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){
   ** calls to sqlite3OsSleep() have a delay of 1 microsecond.  Really this
   ** is more of a scheduler yield than an actual delay.  But on the 10th
   ** an subsequent retries, the delays start becoming longer and longer, 
-  ** so that on the 100th (and last) RETRY we delay for 21 milliseconds.
-  ** The total delay time before giving up is less than 1 second.
+  ** so that on the 100th (and last) RETRY we delay for 323 milliseconds.
+  ** The total delay time before giving up is less than 10 seconds.
   */
   if( cnt>5 ){
     int nDelay = 1;                      /* Pause time in microseconds */
@@ -2105,7 +2105,7 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){
       VVA_ONLY( pWal->lockError = 1; )
       return SQLITE_PROTOCOL;
     }
-    if( cnt>=10 ) nDelay = (cnt-9)*238;  /* Max delay 21ms. Total delay 996ms */
+    if( cnt>=10 ) nDelay = (cnt-9)*(cnt-9)*39;
     sqlite3OsSleep(pWal->pVfs, nDelay);
   }
 

src/where.c

@@ -1494,8 +1494,7 @@ static int isDistinctRedundant(
 ** Estimate the logarithm of the input value to base 2.
 */
 static LogEst estLog(LogEst N){
-  LogEst x = sqlite3LogEst(N);
-  return x>33 ? x - 33 : 0;
+  return N<=10 ? 0 : sqlite3LogEst(N) - 33;
 }
 
 /*
@@ -1999,6 +1998,114 @@ static LogEst whereRangeAdjust(WhereTerm *pTerm, LogEst nNew){
   return nRet;
 }
 
+#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
+/* 
+** This function is called to estimate the number of rows visited by a
+** range-scan on a skip-scan index. For example:
+**
+**   CREATE INDEX i1 ON t1(a, b, c);
+**   SELECT * FROM t1 WHERE a=? AND c BETWEEN ? AND ?;
+**
+** Value pLoop->nOut is currently set to the estimated number of rows 
+** visited for scanning (a=? AND b=?). This function reduces that estimate 
+** by some factor to account for the (c BETWEEN ? AND ?) expression based
+** on the stat4 data for the index. this scan will be peformed multiple 
+** times (once for each (a,b) combination that matches a=?) is dealt with 
+** by the caller.
+**
+** It does this by scanning through all stat4 samples, comparing values
+** extracted from pLower and pUpper with the corresponding column in each
+** sample. If L and U are the number of samples found to be less than or
+** equal to the values extracted from pLower and pUpper respectively, and
+** N is the total number of samples, the pLoop->nOut value is adjusted
+** as follows:
+**
+**   nOut = nOut * ( min(U - L, 1) / N )
+**
+** If pLower is NULL, or a value cannot be extracted from the term, L is
+** set to zero. If pUpper is NULL, or a value cannot be extracted from it,
+** U is set to N.
+**
+** Normally, this function sets *pbDone to 1 before returning. However,
+** if no value can be extracted from either pLower or pUpper (and so the
+** estimate of the number of rows delivered remains unchanged), *pbDone
+** is left as is.
+**
+** If an error occurs, an SQLite error code is returned. Otherwise, 
+** SQLITE_OK.
+*/
+static int whereRangeSkipScanEst(
+  Parse *pParse,       /* Parsing & code generating context */
+  WhereTerm *pLower,   /* Lower bound on the range. ex: "x>123" Might be NULL */
+  WhereTerm *pUpper,   /* Upper bound on the range. ex: "x<455" Might be NULL */
+  WhereLoop *pLoop,    /* Update the .nOut value of this loop */
+  int *pbDone          /* Set to true if at least one expr. value extracted */
+){
+  Index *p = pLoop->u.btree.pIndex;
+  int nEq = pLoop->u.btree.nEq;
+  sqlite3 *db = pParse->db;
+  int nLower = -1;
+  int nUpper = p->nSample+1;
+  int rc = SQLITE_OK;
+  u8 aff = p->pTable->aCol[ p->aiColumn[nEq] ].affinity;
+  CollSeq *pColl;
+  
+  sqlite3_value *p1 = 0;          /* Value extracted from pLower */
+  sqlite3_value *p2 = 0;          /* Value extracted from pUpper */
+  sqlite3_value *pVal = 0;        /* Value extracted from record */
+
+  pColl = sqlite3LocateCollSeq(pParse, p->azColl[nEq]);
+  if( pLower ){
+    rc = sqlite3Stat4ValueFromExpr(pParse, pLower->pExpr->pRight, aff, &p1);
+    nLower = 0;
+  }
+  if( pUpper && rc==SQLITE_OK ){
+    rc = sqlite3Stat4ValueFromExpr(pParse, pUpper->pExpr->pRight, aff, &p2);
+    nUpper = p2 ? 0 : p->nSample;
+  }
+
+  if( p1 || p2 ){
+    int i;
+    int nDiff;
+    for(i=0; rc==SQLITE_OK && i<p->nSample; i++){
+      rc = sqlite3Stat4Column(db, p->aSample[i].p, p->aSample[i].n, nEq, &pVal);
+      if( rc==SQLITE_OK && p1 ){
+        int res = sqlite3MemCompare(p1, pVal, pColl);
+        if( res>=0 ) nLower++;
+      }
+      if( rc==SQLITE_OK && p2 ){
+        int res = sqlite3MemCompare(p2, pVal, pColl);
+        if( res>=0 ) nUpper++;
+      }
+    }
+    nDiff = (nUpper - nLower);
+    if( nDiff<=0 ) nDiff = 1;
+
+    /* If there is both an upper and lower bound specified, and the 
+    ** comparisons indicate that they are close together, use the fallback
+    ** method (assume that the scan visits 1/64 of the rows) for estimating
+    ** the number of rows visited. Otherwise, estimate the number of rows
+    ** using the method described in the header comment for this function. */
+    if( nDiff!=1 || pUpper==0 || pLower==0 ){
+      int nAdjust = (sqlite3LogEst(p->nSample) - sqlite3LogEst(nDiff));
+      pLoop->nOut -= nAdjust;
+      *pbDone = 1;
+      WHERETRACE(0x10, ("range skip-scan regions: %u..%u  adjust=%d est=%d\n",
+                           nLower, nUpper, nAdjust*-1, pLoop->nOut));
+    }
+
+  }else{
+    assert( *pbDone==0 );
+  }
+
+  sqlite3ValueFree(p1);
+  sqlite3ValueFree(p2);
+  sqlite3ValueFree(pVal);
+
+  return rc;
+}
+#endif /* SQLITE_ENABLE_STAT3_OR_STAT4 */
+
 /*
 ** This function is used to estimate the number of rows that will be visited
 ** by scanning an index for a range of values. The range may have an upper
@@ -2035,9 +2142,9 @@ static LogEst whereRangeAdjust(WhereTerm *pTerm, LogEst nNew){
 ** to account for the range contraints pLower and pUpper.
 ** 
 ** In the absence of sqlite_stat4 ANALYZE data, or if such data cannot be
-** used, each range inequality reduces the search space by a factor of 4. 
-** Hence a pair of constraints (x>? AND x<?) reduces the expected number of
-** rows visited by a factor of 16.
+** used, a single range inequality reduces the search space by a factor of 4. 
+** and a pair of constraints (x>? AND x<?) reduces the expected number of
+** rows visited by a factor of 64.
 */
 static int whereRangeScanEst(
   Parse *pParse,       /* Parsing & code generating context */
@@ -2055,95 +2162,100 @@ static int whereRangeScanEst(
   int nEq = pLoop->u.btree.nEq;
 
   if( p->nSample>0
-   && nEq==pBuilder->nRecValid
    && nEq<p->nSampleCol
    && OptimizationEnabled(pParse->db, SQLITE_Stat3) 
   ){
-    UnpackedRecord *pRec = pBuilder->pRec;
-    tRowcnt a[2];
-    u8 aff;
+    if( nEq==pBuilder->nRecValid ){
+      UnpackedRecord *pRec = pBuilder->pRec;
+      tRowcnt a[2];
+      u8 aff;
 
-    /* Variable iLower will be set to the estimate of the number of rows in 
-    ** the index that are less than the lower bound of the range query. The
-    ** lower bound being the concatenation of $P and $L, where $P is the
-    ** key-prefix formed by the nEq values matched against the nEq left-most
-    ** columns of the index, and $L is the value in pLower.
-    **
-    ** Or, if pLower is NULL or $L cannot be extracted from it (because it
-    ** is not a simple variable or literal value), the lower bound of the
-    ** range is $P. Due to a quirk in the way whereKeyStats() works, even
-    ** if $L is available, whereKeyStats() is called for both ($P) and 
-    ** ($P:$L) and the larger of the two returned values used.
-    **
-    ** Similarly, iUpper is to be set to the estimate of the number of rows
-    ** less than the upper bound of the range query. Where the upper bound
-    ** is either ($P) or ($P:$U). Again, even if $U is available, both values
-    ** of iUpper are requested of whereKeyStats() and the smaller used.
-    */
-    tRowcnt iLower;
-    tRowcnt iUpper;
+      /* Variable iLower will be set to the estimate of the number of rows in 
+      ** the index that are less than the lower bound of the range query. The
+      ** lower bound being the concatenation of $P and $L, where $P is the
+      ** key-prefix formed by the nEq values matched against the nEq left-most
+      ** columns of the index, and $L is the value in pLower.
+      **
+      ** Or, if pLower is NULL or $L cannot be extracted from it (because it
+      ** is not a simple variable or literal value), the lower bound of the
+      ** range is $P. Due to a quirk in the way whereKeyStats() works, even
+      ** if $L is available, whereKeyStats() is called for both ($P) and 
+      ** ($P:$L) and the larger of the two returned values used.
+      **
+      ** Similarly, iUpper is to be set to the estimate of the number of rows
+      ** less than the upper bound of the range query. Where the upper bound
+      ** is either ($P) or ($P:$U). Again, even if $U is available, both values
+      ** of iUpper are requested of whereKeyStats() and the smaller used.
+      */
+      tRowcnt iLower;
+      tRowcnt iUpper;
 
-    if( nEq==p->nKeyCol ){
-      aff = SQLITE_AFF_INTEGER;
-    }else{
-      aff = p->pTable->aCol[p->aiColumn[nEq]].affinity;
-    }
-    /* Determine iLower and iUpper using ($P) only. */
-    if( nEq==0 ){
-      iLower = 0;
-      iUpper = sqlite3LogEstToInt(p->aiRowLogEst[0]);
-    }else{
-      /* Note: this call could be optimized away - since the same values must 
-      ** have been requested when testing key $P in whereEqualScanEst().  */
-      whereKeyStats(pParse, p, pRec, 0, a);
-      iLower = a[0];
-      iUpper = a[0] + a[1];
-    }
-
-    /* If possible, improve on the iLower estimate using ($P:$L). */
-    if( pLower ){
-      int bOk;                    /* True if value is extracted from pExpr */
-      Expr *pExpr = pLower->pExpr->pRight;
-      assert( (pLower->eOperator & (WO_GT|WO_GE))!=0 );
-      rc = sqlite3Stat4ProbeSetValue(pParse, p, &pRec, pExpr, aff, nEq, &bOk);
-      if( rc==SQLITE_OK && bOk ){
-        tRowcnt iNew;
-        whereKeyStats(pParse, p, pRec, 0, a);
-        iNew = a[0] + ((pLower->eOperator & WO_GT) ? a[1] : 0);
-        if( iNew>iLower ) iLower = iNew;
-        nOut--;
-      }
-    }
-
-    /* If possible, improve on the iUpper estimate using ($P:$U). */
-    if( pUpper ){
-      int bOk;                    /* True if value is extracted from pExpr */
-      Expr *pExpr = pUpper->pExpr->pRight;
-      assert( (pUpper->eOperator & (WO_LT|WO_LE))!=0 );
-      rc = sqlite3Stat4ProbeSetValue(pParse, p, &pRec, pExpr, aff, nEq, &bOk);
-      if( rc==SQLITE_OK && bOk ){
-        tRowcnt iNew;
-        whereKeyStats(pParse, p, pRec, 1, a);
-        iNew = a[0] + ((pUpper->eOperator & WO_LE) ? a[1] : 0);
-        if( iNew<iUpper ) iUpper = iNew;
-        nOut--;
-      }
-    }
-
-    pBuilder->pRec = pRec;
-    if( rc==SQLITE_OK ){
-      if( iUpper>iLower ){
-        nNew = sqlite3LogEst(iUpper - iLower);
+      if( nEq==p->nKeyCol ){
+        aff = SQLITE_AFF_INTEGER;
       }else{
-        nNew = 10;        assert( 10==sqlite3LogEst(2) );
+        aff = p->pTable->aCol[p->aiColumn[nEq]].affinity;
       }
-      if( nNew<nOut ){
-        nOut = nNew;
+      /* Determine iLower and iUpper using ($P) only. */
+      if( nEq==0 ){
+        iLower = 0;
+        iUpper = sqlite3LogEstToInt(p->aiRowLogEst[0]);
+      }else{
+        /* Note: this call could be optimized away - since the same values must 
+        ** have been requested when testing key $P in whereEqualScanEst().  */
+        whereKeyStats(pParse, p, pRec, 0, a);
+        iLower = a[0];
+        iUpper = a[0] + a[1];
       }
-      pLoop->nOut = (LogEst)nOut;
-      WHERETRACE(0x10, ("range scan regions: %u..%u  est=%d\n",
-                         (u32)iLower, (u32)iUpper, nOut));
-      return SQLITE_OK;
+
+      /* If possible, improve on the iLower estimate using ($P:$L). */
+      if( pLower ){
+        int bOk;                    /* True if value is extracted from pExpr */
+        Expr *pExpr = pLower->pExpr->pRight;
+        assert( (pLower->eOperator & (WO_GT|WO_GE))!=0 );
+        rc = sqlite3Stat4ProbeSetValue(pParse, p, &pRec, pExpr, aff, nEq, &bOk);
+        if( rc==SQLITE_OK && bOk ){
+          tRowcnt iNew;
+          whereKeyStats(pParse, p, pRec, 0, a);
+          iNew = a[0] + ((pLower->eOperator & WO_GT) ? a[1] : 0);
+          if( iNew>iLower ) iLower = iNew;
+          nOut--;
+        }
+      }
+
+      /* If possible, improve on the iUpper estimate using ($P:$U). */
+      if( pUpper ){
+        int bOk;                    /* True if value is extracted from pExpr */
+        Expr *pExpr = pUpper->pExpr->pRight;
+        assert( (pUpper->eOperator & (WO_LT|WO_LE))!=0 );
+        rc = sqlite3Stat4ProbeSetValue(pParse, p, &pRec, pExpr, aff, nEq, &bOk);
+        if( rc==SQLITE_OK && bOk ){
+          tRowcnt iNew;
+          whereKeyStats(pParse, p, pRec, 1, a);
+          iNew = a[0] + ((pUpper->eOperator & WO_LE) ? a[1] : 0);
+          if( iNew<iUpper ) iUpper = iNew;
+          nOut--;
+        }
+      }
+
+      pBuilder->pRec = pRec;
+      if( rc==SQLITE_OK ){
+        if( iUpper>iLower ){
+          nNew = sqlite3LogEst(iUpper - iLower);
+        }else{
+          nNew = 10;        assert( 10==sqlite3LogEst(2) );
+        }
+        if( nNew<nOut ){
+          nOut = nNew;
+        }
+        pLoop->nOut = (LogEst)nOut;
+        WHERETRACE(0x10, ("range scan regions: %u..%u  est=%d\n",
+                           (u32)iLower, (u32)iUpper, nOut));
+        return SQLITE_OK;
+      }
+    }else{
+      int bDone = 0;
+      rc = whereRangeSkipScanEst(pParse, pLower, pUpper, pLoop, &bDone);
+      if( bDone ) return rc;
     }
   }
 #else
@@ -2722,7 +2834,7 @@ static void explainOneScan(
       Index *pIdx = pLoop->u.btree.pIndex;
       char *zWhere = explainIndexRange(db, pLoop, pItem->pTab);
       assert( !(flags&WHERE_AUTO_INDEX) || (flags&WHERE_IDX_ONLY) );
-      if( !HasRowid(pItem->pTab) && pIdx->autoIndex==2 ){
+      if( !HasRowid(pItem->pTab) && IsPrimaryKeyIndex(pIdx) ){
         zFmt = zWhere ? "%s USING PRIMARY KEY%.0s%s" : "%s%.0s%s";
       }else if( flags & WHERE_AUTO_INDEX ){
         zFmt = "%s USING AUTOMATIC COVERING INDEX%.0s%s";
@@ -3223,7 +3335,7 @@ static Bitmask codeOneLoopStart(
       sqlite3VdbeAddOp2(v, OP_IdxRowid, iIdxCur, iRowidReg);
       sqlite3ExprCacheStore(pParse, iCur, -1, iRowidReg);
       sqlite3VdbeAddOp2(v, OP_Seek, iCur, iRowidReg);  /* Deferred seek */
-    }else{
+    }else if( iCur!=iIdxCur ){
       Index *pPk = sqlite3PrimaryKeyIndex(pIdx->pTable);
       iRowidReg = sqlite3GetTempRange(pParse, pPk->nKeyCol);
       for(j=0; j<pPk->nKeyCol; j++){
@@ -3401,12 +3513,16 @@ static Bitmask codeOneLoopStart(
       }
     }
 
+    /* Run a separate WHERE clause for each term of the OR clause.  After
+    ** eliminating duplicates from other WHERE clauses, the action for each
+    ** sub-WHERE clause is to to invoke the main loop body as a subroutine.
+    */
     for(ii=0; ii<pOrWc->nTerm; ii++){
       WhereTerm *pOrTerm = &pOrWc->a[ii];
       if( pOrTerm->leftCursor==iCur || (pOrTerm->eOperator & WO_AND)!=0 ){
-        WhereInfo *pSubWInfo;          /* Info for single OR-term scan */
-        Expr *pOrExpr = pOrTerm->pExpr;
-        int j1 = 0;                    /* Address of jump operation */
+        WhereInfo *pSubWInfo;           /* Info for single OR-term scan */
+        Expr *pOrExpr = pOrTerm->pExpr; /* Current OR clause term */
+        int j1 = 0;                     /* Address of jump operation */
         if( pAndExpr && !ExprHasProperty(pOrExpr, EP_FromJoin) ){
           pAndExpr->pLeft = pOrExpr;
           pOrExpr = pAndExpr;
@@ -3421,6 +3537,11 @@ static Bitmask codeOneLoopStart(
           explainOneScan(
               pParse, pOrTab, &pSubWInfo->a[0], iLevel, pLevel->iFrom, 0
           );
+          /* This is the sub-WHERE clause body.  First skip over
+          ** duplicate rows from prior sub-WHERE clauses, and record the
+          ** rowid (or PRIMARY KEY) for the current row so that the same
+          ** row will be skipped in subsequent sub-WHERE clauses.
+          */
           if( (pWInfo->wctrlFlags & WHERE_DUPLICATES_OK)==0 ){
             int r;
             int iSet = ((ii==pOrWc->nTerm-1)?-1:ii);
@@ -3465,7 +3586,12 @@ static Bitmask codeOneLoopStart(
               sqlite3ReleaseTempRange(pParse, r, nPk);
             }
           }
+
+          /* Invoke the main loop body as a subroutine */
           sqlite3VdbeAddOp2(v, OP_Gosub, regReturn, iLoopBody);
+
+          /* Jump here (skipping the main loop body subroutine) if the
+          ** current sub-WHERE row is a duplicate from prior sub-WHEREs. */
           if( j1 ) sqlite3VdbeJumpHere(v, j1);
 
           /* The pSubWInfo->untestedTerms flag means that this OR term
@@ -3491,6 +3617,7 @@ static Bitmask codeOneLoopStart(
           assert( (pSubLoop->wsFlags & WHERE_AUTO_INDEX)==0 );
           if( (pSubLoop->wsFlags & WHERE_INDEXED)!=0
            && (ii==0 || pSubLoop->u.btree.pIndex==pCov)
+           && (HasRowid(pTab) || !IsPrimaryKeyIndex(pSubLoop->u.btree.pIndex))
           ){
             assert( pSubWInfo->a[0].iIdxCur==iCovCur );
             pCov = pSubLoop->u.btree.pIndex;
@@ -3672,7 +3799,7 @@ static void whereLoopPrint(WhereLoop *p, WhereClause *pWC){
     sqlite3DebugPrintf(" %-19s", z);
     sqlite3_free(z);
   }
-  sqlite3DebugPrintf(" f %04x N %d", p->wsFlags, p->nLTerm);
+  sqlite3DebugPrintf(" f %05x N %d", p->wsFlags, p->nLTerm);
   sqlite3DebugPrintf(" cost %d,%d,%d\n", p->rSetup, p->rRun, p->nOut);
 #ifdef SQLITE_ENABLE_TREE_EXPLAIN
   /* If the 0x100 bit of wheretracing is set, then show all of the constraint
@@ -3909,6 +4036,17 @@ static WhereLoop **whereLoopFindLesser(
     ** rSetup. Call this SETUP-INVARIANT */
     assert( p->rSetup>=pTemplate->rSetup );
 
+    /* Any loop using an appliation-defined index (or PRIMARY KEY or
+    ** UNIQUE constraint) with one or more == constraints is better
+    ** than an automatic index. */
+    if( (p->wsFlags & WHERE_AUTO_INDEX)!=0
+     && (pTemplate->wsFlags & WHERE_INDEXED)!=0
+     && (pTemplate->wsFlags & WHERE_COLUMN_EQ)!=0
+     && (p->prereq & pTemplate->prereq)==pTemplate->prereq
+    ){
+      break;
+    }
+
     /* If existing WhereLoop p is better than pTemplate, pTemplate can be
     ** discarded.  WhereLoop p is better if:
     **   (1)  p has no more dependencies than pTemplate, and
@@ -4033,13 +4171,13 @@ static int whereLoopInsert(WhereLoopBuilder *pBuilder, WhereLoop *pTemplate){
     WhereLoop *pToDel;
     while( *ppTail ){
       ppTail = whereLoopFindLesser(ppTail, pTemplate);
-      if( NEVER(ppTail==0) ) break;
+      if( ppTail==0 ) break;
       pToDel = *ppTail;
       if( pToDel==0 ) break;
       *ppTail = pToDel->pNextLoop;
 #if WHERETRACE_ENABLED /* 0x8 */
       if( sqlite3WhereTrace & 0x8 ){
-        sqlite3DebugPrintf("ins-del: ");
+        sqlite3DebugPrintf("ins-del:  ");
         whereLoopPrint(pToDel, pBuilder->pWC);
       }
 #endif
@@ -4271,7 +4409,6 @@ static int whereLoopAddBtreeIndex(
         testcase( eOp & WO_IN );
         pNew->nOut += pTerm->truthProb;
         pNew->nOut -= nIn;
-        pNew->wsFlags |= WHERE_LIKELIHOOD;
       }else{
 #ifdef SQLITE_ENABLE_STAT3_OR_STAT4
         tRowcnt nOut = 0;
@@ -4280,7 +4417,6 @@ static int whereLoopAddBtreeIndex(
          && pNew->u.btree.nEq<=pProbe->nSampleCol
          && OptimizationEnabled(db, SQLITE_Stat3) 
          && ((eOp & WO_IN)==0 || !ExprHasProperty(pTerm->pExpr, EP_xIsSelect))
-         && (pNew->wsFlags & WHERE_LIKELIHOOD)==0
         ){
           Expr *pExpr = pTerm->pExpr;
           if( (eOp & (WO_EQ|WO_ISNULL))!=0 ){
@@ -5266,7 +5402,6 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){
   LogEst rCost;             /* Cost of a path */
   LogEst nOut;              /* Number of outputs */
   LogEst mxCost = 0;        /* Maximum cost of a set of paths */
-  LogEst mxOut = 0;         /* Maximum nOut value on the set of paths */
   int nTo, nFrom;           /* Number of valid entries in aTo[] and aFrom[] */
   WherePath *aFrom;         /* All nFrom paths at the previous level */
   WherePath *aTo;           /* The nTo best paths at the current level */
@@ -5282,7 +5417,7 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){
   /* TUNING: For simple queries, only the best path is tracked.
   ** For 2-way joins, the 5 best paths are followed.
   ** For joins of 3 or more tables, track the 10 best paths */
-  mxChoice = (nLoop==1) ? 1 : (nLoop==2 ? 5 : 10);
+  mxChoice = (nLoop<=1) ? 1 : (nLoop==2 ? 5 : 10);
   assert( nLoop<=pWInfo->pTabList->nSrc );
   WHERETRACE(0x002, ("---- begin solver\n"));
 
@@ -5312,7 +5447,7 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){
     aFrom[0].isOrdered = 0;
     nOrderBy = 0;
   }else{
-    aFrom[0].isOrdered = -1;
+    aFrom[0].isOrdered = nLoop>0 ? -1 : 1;
     nOrderBy = pWInfo->pOrderBy->nExpr;
   }
 
@@ -5376,8 +5511,6 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){
         for(jj=0, pTo=aTo; jj<nTo; jj++, pTo++){
           if( pTo->maskLoop==maskNew
            && ((pTo->isOrdered^isOrdered)&80)==0
-           && ((pTo->rCost<=rCost && pTo->nRow<=nOut) ||
-                (pTo->rCost>=rCost && pTo->nRow>=nOut))
           ){
             testcase( jj==nTo-1 );
             break;
@@ -5411,7 +5544,7 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){
           }
 #endif
         }else{
-          if( pTo->rCost<=rCost && pTo->nRow<=nOut ){
+          if( pTo->rCost<=rCost ){
 #ifdef WHERETRACE_ENABLED /* 0x4 */
             if( sqlite3WhereTrace&0x4 ){
               sqlite3DebugPrintf(
@@ -5451,11 +5584,9 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){
         if( nTo>=mxChoice ){
           mxI = 0;
           mxCost = aTo[0].rCost;
-          mxOut = aTo[0].nRow;
           for(jj=1, pTo=&aTo[1]; jj<mxChoice; jj++, pTo++){
-            if( pTo->rCost>mxCost || (pTo->rCost==mxCost && pTo->nRow>mxOut) ){
+            if( pTo->rCost>mxCost ){
               mxCost = pTo->rCost;
-              mxOut = pTo->nRow;
               mxI = jj;
             }
           }
@@ -6064,7 +6195,14 @@ WhereInfo *sqlite3WhereBegin(
       int op = OP_OpenRead;
       /* iIdxCur is always set if to a positive value if ONEPASS is possible */
       assert( iIdxCur!=0 || (pWInfo->wctrlFlags & WHERE_ONEPASS_DESIRED)==0 );
-      if( pWInfo->okOnePass ){
+      if( !HasRowid(pTab) && IsPrimaryKeyIndex(pIx)
+       && (wctrlFlags & WHERE_ONETABLE_ONLY)!=0
+      ){
+        /* This is one term of an OR-optimization using the PRIMARY KEY of a
+        ** WITHOUT ROWID table.  No need for a separate index */
+        iIndexCur = pLevel->iTabCur;
+        op = 0;
+      }else if( pWInfo->okOnePass ){
         Index *pJ = pTabItem->pTab->pIndex;
         iIndexCur = iIdxCur;
         assert( wctrlFlags & WHERE_ONEPASS_DESIRED );
@@ -6082,9 +6220,11 @@ WhereInfo *sqlite3WhereBegin(
       pLevel->iIdxCur = iIndexCur;
       assert( pIx->pSchema==pTab->pSchema );
       assert( iIndexCur>=0 );
-      sqlite3VdbeAddOp3(v, op, iIndexCur, pIx->tnum, iDb);
-      sqlite3VdbeSetP4KeyInfo(pParse, pIx);
-      VdbeComment((v, "%s", pIx->zName));
+      if( op ){
+        sqlite3VdbeAddOp3(v, op, iIndexCur, pIx->tnum, iDb);
+        sqlite3VdbeSetP4KeyInfo(pParse, pIx);
+        VdbeComment((v, "%s", pIx->zName));
+      }
     }
     if( iDb>=0 ) sqlite3CodeVerifySchema(pParse, iDb);
     notReady &= ~getMask(&pWInfo->sMaskSet, pTabItem->iCursor);

src/whereInt.h

@@ -458,4 +458,3 @@ struct WhereInfo {
 #define WHERE_AUTO_INDEX   0x00004000  /* Uses an ephemeral index */
 #define WHERE_SKIPSCAN     0x00008000  /* Uses the skip-scan algorithm */
 #define WHERE_UNQ_WANTED   0x00010000  /* WHERE_ONEROW would have been helpful*/
-#define WHERE_LIKELIHOOD   0x00020000  /* A likelihood() is affecting nOut */

test/autoindex2.test

@@ -0,0 +1,271 @@
+# 2014-06-17
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#*************************************************************************
+#
+# This file implements regression tests for SQLite library.  The
+# focus of this script is testing automatic index creation logic.
+#
+# This file contains a single real-world test case that was giving
+# suboptimal performance because of over-use of automatic indexes.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+
+do_execsql_test autoindex2-100 {
+  CREATE TABLE t1(
+    t1_id largeint,
+    did char(9),
+    ptime largeint,
+    exbyte char(4),
+    pe_id int,
+    field_id int,
+    mass float,
+    param10 float,
+    param11 float,
+    exmass float,
+    deviation float,
+    trange float,
+    vstatus int,
+    commit_status int,
+    formula char(329),
+    tier int DEFAULT 2,
+    ssid int DEFAULT 0,
+    last_operation largeint DEFAULT 0,
+    admin_uuid int DEFAULT 0,
+    previous_value float,
+    job_id largeint,
+    last_t1 largeint DEFAULT 0,
+    data_t1 int,
+    previous_date largeint DEFAULT 0,
+    flg8 int DEFAULT 1,
+    failed_fields char(100)
+  );
+  CREATE INDEX t1x0 on t1 (t1_id);
+  CREATE INDEX t1x1 on t1 (ptime, vstatus);
+  CREATE INDEX t1x2 on t1 (did, ssid, ptime, vstatus, exbyte, t1_id);
+  CREATE INDEX t1x3 on t1 (job_id);
+  
+  CREATE TABLE t2(
+    did char(9),
+    client_did char(30),
+    description char(49),
+    uid int,
+    tzid int,
+    privilege int,
+    param2 int,
+    type char(30),
+    subtype char(32),
+    dparam1 char(7) DEFAULT '',
+    param5 char(3) DEFAULT '',
+    notional float DEFAULT 0.000000,
+    create_time largeint,
+    sample_time largeint DEFAULT 0,
+    param6 largeint,
+    frequency int,
+    expiration largeint,
+    uw_status int,
+    next_sample largeint,
+    last_sample largeint,
+    reserve1 char(29) DEFAULT '',
+    reserve2 char(29) DEFAULT '',
+    reserve3 char(29) DEFAULT '',
+    bxcdr char(19) DEFAULT 'XY',
+    ssid int DEFAULT 1,
+    last_t1_id largeint,
+    reserve4 char(29) DEFAULT '',
+    reserve5 char(29) DEFAULT '',
+    param12 int DEFAULT 0,
+    long_did char(100) DEFAULT '',
+    gr_code int DEFAULT 0,
+    drx char(100) DEFAULT '',
+    parent_id char(9) DEFAULT '',
+    param13 int DEFAULT 0,
+    position float DEFAULT 1.000000,
+    client_did3 char(100) DEFAULT '',
+    client_did4 char(100) DEFAULT '',
+    dlib_id char(9) DEFAULT ''
+  );
+  CREATE INDEX t2x0 on t2 (did);
+  CREATE INDEX t2x1 on t2 (client_did);
+  CREATE INDEX t2x2 on t2 (long_did);
+  CREATE INDEX t2x3 on t2 (uid);
+  CREATE INDEX t2x4 on t2 (param2);
+  CREATE INDEX t2x5 on t2 (type);
+  CREATE INDEX t2x6 on t2 (subtype);
+  CREATE INDEX t2x7 on t2 (last_sample);
+  CREATE INDEX t2x8 on t2 (param6);
+  CREATE INDEX t2x9 on t2 (frequency);
+  CREATE INDEX t2x10 on t2 (privilege);
+  CREATE INDEX t2x11 on t2 (sample_time);
+  CREATE INDEX t2x12 on t2 (notional);
+  CREATE INDEX t2x13 on t2 (tzid);
+  CREATE INDEX t2x14 on t2 (gr_code);
+  CREATE INDEX t2x15 on t2 (parent_id);
+  
+  CREATE TABLE t3(
+    uid int,
+    param3 int,
+    uuid int,
+    acc_id int,
+    cust_num int,
+    numerix_id int,
+    pfy char(29),
+    param4 char(29),
+    param15 int DEFAULT 0,
+    flg7 int DEFAULT 0,
+    param21 int DEFAULT 0,
+    bxcdr char(2) DEFAULT 'PC',
+    c31 int DEFAULT 0,
+    c33 int DEFAULT 0,
+    c35 int DEFAULT 0,
+    c37 int,
+    mgr_uuid int,
+    back_up_uuid int,
+    priv_mars int DEFAULT 0,
+    is_qc int DEFAULT 0,
+    c41 int DEFAULT 0,
+    deleted int DEFAULT 0,
+    c47 int DEFAULT 1
+  );
+  CREATE INDEX t3x0 on t3 (uid);
+  CREATE INDEX t3x1 on t3 (param3);
+  CREATE INDEX t3x2 on t3 (uuid);
+  CREATE INDEX t3x3 on t3 (acc_id);
+  CREATE INDEX t3x4 on t3 (param4);
+  CREATE INDEX t3x5 on t3 (pfy);
+  CREATE INDEX t3x6 on t3 (is_qc);
+  SELECT count(*) FROM sqlite_master;
+} {30}
+do_execsql_test autoindex2-110 {
+  ANALYZE sqlite_master;
+  INSERT INTO sqlite_stat1 VALUES('t1','t1x3','10747267 260');
+  INSERT INTO sqlite_stat1 VALUES('t1','t1x2','10747267 121 113 2 2 2 1');
+  INSERT INTO sqlite_stat1 VALUES('t1','t1x1','10747267 50 40');
+  INSERT INTO sqlite_stat1 VALUES('t1','t1x0','10747267 1');
+  INSERT INTO sqlite_stat1 VALUES('t2','t2x15','39667 253');
+  INSERT INTO sqlite_stat1 VALUES('t2','t2x14','39667 19834');
+  INSERT INTO sqlite_stat1 VALUES('t2','t2x13','39667 13223');
+  INSERT INTO sqlite_stat1 VALUES('t2','t2x12','39667 7');
+  INSERT INTO sqlite_stat1 VALUES('t2','t2x11','39667 17');
+  INSERT INTO sqlite_stat1 VALUES('t2','t2x10','39667 19834');
+  INSERT INTO sqlite_stat1 VALUES('t2','t2x9','39667 7934');
+  INSERT INTO sqlite_stat1 VALUES('t2','t2x8','39667 11');
+  INSERT INTO sqlite_stat1 VALUES('t2','t2x7','39667 5');
+  INSERT INTO sqlite_stat1 VALUES('t2','t2x6','39667 242');
+  INSERT INTO sqlite_stat1 VALUES('t2','t2x5','39667 1984');
+  INSERT INTO sqlite_stat1 VALUES('t2','t2x4','39667 4408');
+  INSERT INTO sqlite_stat1 VALUES('t2','t2x3','39667 81');
+  INSERT INTO sqlite_stat1 VALUES('t2','t2x2','39667 551');
+  INSERT INTO sqlite_stat1 VALUES('t2','t2x1','39667 2');
+  INSERT INTO sqlite_stat1 VALUES('t2','t2x0','39667 1');
+  INSERT INTO sqlite_stat1 VALUES('t3','t3x6','569 285');
+  INSERT INTO sqlite_stat1 VALUES('t3','t3x5','569 2');
+  INSERT INTO sqlite_stat1 VALUES('t3','t3x4','569 2');
+  INSERT INTO sqlite_stat1 VALUES('t3','t3x3','569 5');
+  INSERT INTO sqlite_stat1 VALUES('t3','t3x2','569 3');
+  INSERT INTO sqlite_stat1 VALUES('t3','t3x1','569 6');
+  INSERT INTO sqlite_stat1 VALUES('t3','t3x0','569 1');
+  ANALYZE sqlite_master;
+} {}
+do_execsql_test autoindex2-120 {
+  EXPLAIN QUERY PLAN
+  SELECT
+     t1_id,
+     t1.did,
+     param2,
+     param3,
+     t1.ptime,
+     t1.trange,
+     t1.exmass,
+     t1.mass,
+     t1.vstatus,
+     type,
+     subtype,
+     t1.deviation,
+     t1.formula,
+     dparam1,
+     reserve1,
+     reserve2,
+     param4,
+     t1.last_operation,
+     t1.admin_uuid,
+     t1.previous_value,
+     t1.job_id,
+     client_did, 
+     t1.last_t1,
+     t1.data_t1,
+     t1.previous_date,
+     param5,
+     param6,
+     mgr_uuid
+  FROM
+     t1,
+     t2,
+     t3
+  WHERE
+     t1.ptime > 1393520400
+     AND param3<>9001
+     AND t3.flg7 = 1
+     AND t1.did = t2.did
+     AND t2.uid = t3.uid
+  ORDER BY t1.ptime desc LIMIT 500;
+} {0 0 0 {SEARCH TABLE t1 USING INDEX t1x1 (ptime>?)} 0 1 1 {SEARCH TABLE t2 USING INDEX t2x0 (did=?)} 0 2 2 {SEARCH TABLE t3 USING INDEX t3x0 (uid=?)}}
+#
+# ^^^--- Before being fixed, the above was using an automatic covering
+# on t3 and reordering the tables so that t3 was in the outer loop and
+# implementing the ORDER BY clause using a B-Tree.
+
+do_execsql_test autoindex2-120 {
+  EXPLAIN QUERY PLAN
+  SELECT
+     t1_id,
+     t1.did,
+     param2,
+     param3,
+     t1.ptime,
+     t1.trange,
+     t1.exmass,
+     t1.mass,
+     t1.vstatus,
+     type,
+     subtype,
+     t1.deviation,
+     t1.formula,
+     dparam1,
+     reserve1,
+     reserve2,
+     param4,
+     t1.last_operation,
+     t1.admin_uuid,
+     t1.previous_value,
+     t1.job_id,
+     client_did, 
+     t1.last_t1,
+     t1.data_t1,
+     t1.previous_date,
+     param5,
+     param6,
+     mgr_uuid
+  FROM
+     t3,
+     t2,
+     t1
+  WHERE
+     t1.ptime > 1393520400
+     AND param3<>9001
+     AND t3.flg7 = 1
+     AND t1.did = t2.did
+     AND t2.uid = t3.uid
+  ORDER BY t1.ptime desc LIMIT 500;
+} {0 0 2 {SEARCH TABLE t1 USING INDEX t1x1 (ptime>?)} 0 1 1 {SEARCH TABLE t2 USING INDEX t2x0 (did=?)} 0 2 0 {SEARCH TABLE t3 USING INDEX t3x0 (uid=?)}}
+
+finish_test

test/autoindex3.test

@@ -0,0 +1,58 @@
+# 2014-06-17
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#*************************************************************************
+#
+# This file implements regression tests for SQLite library.  The
+# focus of this script is testing automatic index creation logic,
+# and specifically that an automatic index will not be created that
+# shadows a declared index.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# The t1b and t2d indexes are not very selective.  It used to be that
+# the autoindex mechanism would create automatic indexes on t1(b) or
+# t2(d), make assumptions that they were reasonably selective, and use
+# them instead of t1b or t2d.  But that would be cheating, because the
+# automatic index cannot be any more selective than the real index.
+#
+# This test verifies that the cheat is no longer allowed.
+#
+do_execsql_test autoindex3-100 {
+  CREATE TABLE t1(a,b,x);
+  CREATE TABLE t2(c,d,y);
+  CREATE INDEX t1b ON t1(b);
+  CREATE INDEX t2d ON t2(d);
+  ANALYZE sqlite_master;
+  INSERT INTO sqlite_stat1 VALUES('t1','t1b','10000 500');
+  INSERT INTO sqlite_stat1 VALUES('t2','t2d','10000 500');
+  ANALYZE sqlite_master;
+  EXPLAIN QUERY PLAN SELECT * FROM t1, t2 WHERE d=b;
+} {~/AUTO/}
+
+# Automatic indexes can still be used if existing indexes do not
+# participate in == constraints.
+#
+do_execsql_test autoindex3-110 {
+  EXPLAIN QUERY PLAN SELECT * FROM t1, t2 WHERE d>b AND x=y;
+} {/AUTO/}
+do_execsql_test autoindex3-120 {
+  EXPLAIN QUERY PLAN SELECT * FROM t1, t2 WHERE d<b AND x=y;
+} {/AUTO/}
+do_execsql_test autoindex3-130 {
+  EXPLAIN QUERY PLAN SELECT * FROM t1, t2 WHERE d IS NULL AND x=y;
+} {/AUTO/}
+do_execsql_test autoindex3-140 {
+  EXPLAIN QUERY PLAN SELECT * FROM t1, t2 WHERE d IN (5,b) AND x=y;
+} {/AUTO/}
+
+
+finish_test

test/cost.test

@@ -244,6 +244,47 @@ foreach {tn nTerm nRow} {
 }
 
 
+#-------------------------------------------------------------------------
+#
+
+ifcapable stat4 {
+  do_execsql_test 10.1 {
+    CREATE TABLE t6(a, b, c);
+    CREATE INDEX t6i1 ON t6(a, b);
+    CREATE INDEX t6i2 ON t6(c);
+  }
+  
+  do_test 10.2 {
+    for {set i 0} {$i < 16} {incr i} {
+      execsql { INSERT INTO t6 VALUES($i%4, 'xyz', $i%8) }
+    }
+    execsql ANALYZE
+  } {}
+
+  do_eqp_test 10.3 {
+    SELECT rowid FROM t6 WHERE a=0 AND c=0
+  } {
+    0 0 0 {SEARCH TABLE t6 USING INDEX t6i2 (c=?)}
+  }
+
+  do_eqp_test 10.4 {
+    SELECT rowid FROM t6 WHERE a=0 AND b='xyz' AND c=0
+  } {
+    0 0 0 {SEARCH TABLE t6 USING INDEX t6i2 (c=?)}
+  }
+
+  do_eqp_test 10.5 {
+    SELECT rowid FROM t6 WHERE likelihood(a=0, 0.1) AND c=0
+  } {
+    0 0 0 {SEARCH TABLE t6 USING INDEX t6i1 (a=?)}
+  }
+
+  do_eqp_test 10.6 {
+    SELECT rowid FROM t6 WHERE likelihood(a=0, 0.1) AND b='xyz' AND c=0
+  } {
+    0 0 0 {SEARCH TABLE t6 USING INDEX t6i1 (a=? AND b=?)}
+  }
+}
 
 finish_test
 

test/e_insert.test

@@ -174,9 +174,9 @@ do_insert_tests e_insert-1.2 -error {
     4    "INSERT INTO a2 VALUES(1,2,3,4,5)" {a2 3 5}
 }
 
-# EVIDENCE-OF: R-34231-22576 In this case the result of evaluating the
-# left-most expression in each term of the VALUES list is inserted into
-# the left-most column of the each new row, and forth for each
+# EVIDENCE-OF: R-29730-42609 In this case the result of evaluating the
+# left-most expression from each term of the VALUES list is inserted
+# into the left-most column of each new row, and so forth for each
 # subsequent expression.
 #
 delete_all_data

test/extension01.test

@@ -0,0 +1,83 @@
+# 2014-06-16
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# 
+# This file implements tests for various small extensions.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set ::testprefix extension01
+
+load_static_extension db fileio
+do_test 1.0 {
+  forcedelete file1.txt
+  set out [open ./file1.txt wb]
+  puts -nonewline $out "This is a text file without a line ending"
+  close $out
+  db eval {
+    CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT);
+    INSERT INTO t1 VALUES(1, readfile('./file1.txt'));
+    SELECT * FROM t1;
+  }
+} {1 {This is a text file without a line ending}}
+do_test 1.1 {
+  forcedelete file2.txt
+  db nullvalue nil
+  db eval {
+    DELETE FROM t1;
+    INSERT INTO t1 VALUES(2, readfile(NULL)),(3, readfile('file2.txt'));
+    SELECT a, b, typeof(b) FROM t1;
+  }
+} {2 nil null 3 nil null}
+
+do_test 1.2 {
+  db eval {
+    SELECT writefile('./file2.txt', 'A second test line');
+  }
+} {18}
+do_test 1.3 {
+  set in [open ./file2.txt rb]
+  set x [read $in]
+  close $in
+  list $x [file size file2.txt]
+} {{A second test line} 18}
+
+do_test 1.4 {
+  db eval {
+    SELECT writefile('./file2.txt', NULL);
+  }
+} {0}
+do_test 1.5 {
+  file size ./file2.txt
+} {0}
+
+do_test 1.6 {
+  if {$::tcl_platform(platform)=="unix"} {
+    file attributes ./file2.txt -permissions r--r--r--
+  } else {
+    file attributes ./file2.txt -readonly 1
+  }
+  db eval {
+    SELECT writefile('./file2.txt', 'Another test');
+  }
+} {nil}
+do_test 1.7 {
+  if {$::tcl_platform(platform)=="unix"} {
+    file attributes ./file2.txt -permissions rw-r--r--
+  } else {
+    file attributes ./file2.txt -readonly 0
+  }
+  db eval {
+    SELECT writefile(NULL, 'Another test');
+  }
+} {nil}
+
+finish_test

test/fts4check.test

@@ -152,4 +152,32 @@ foreach {tn disruption} {
   do_execsql_test  3.2.3.$tn "ROLLBACK"
 }
 
+#--------------------------------------------------------------------------
+# Test case 4.*
+#
+# Test that the integrity-check works if there are "notindexed" columns.
+#
+do_execsql_test 4.0 {
+  CREATE VIRTUAL TABLE t4 USING fts4(a, b, c, notindexed=b);
+  INSERT INTO t4 VALUES('text one', 'text two', 'text three');
+  INSERT INTO t4(t4) VALUES('integrity-check');
+}
+
+do_execsql_test 4.1 {
+  PRAGMA writable_schema = 1;
+  UPDATE sqlite_master 
+    SET sql = 'CREATE VIRTUAL TABLE t4 USING fts4(a, b, c)' 
+    WHERE name = 't4';
+}
+
+do_test 4.2 {
+  db close
+  sqlite3 db test.db
+  catchsql {
+    INSERT INTO t4(t4) VALUES('integrity-check');
+  }
+} {1 {database disk image is malformed}}
+reset_db
+
 finish_test
+

test/fts4noti.test

@@ -210,6 +210,23 @@ do_execsql_test 6.2.5 {
   SELECT * FROM t1 WHERE t1 MATCH '60*';
 } { Restaurant 6021 }
 
+do_execsql_test 6.3.1 {
+  DROP TABLE t1;
+  CREATE VIRTUAL TABLE t1 USING fts4(abc, ab, a, notindexed=abc);
+  CREATE VIRTUAL TABLE t2 USING fts4(a, ab, abc, notindexed=abc);
+
+  INSERT INTO t1 VALUES('no', 'yes', 'yep');
+  INSERT INTO t2 VALUES('yep', 'yes', 'no');
+
+  SELECT count(*) FROM t1 WHERE t1 MATCH 'no';
+  SELECT count(*) FROM t1 WHERE t1 MATCH 'yes';
+  SELECT count(*) FROM t1 WHERE t1 MATCH 'yep';
+
+  SELECT count(*) FROM t2 WHERE t2 MATCH 'no';
+  SELECT count(*) FROM t2 WHERE t2 MATCH 'yes';
+  SELECT count(*) FROM t2 WHERE t2 MATCH 'yep';
+} {0 1 1 0 1 1}
+
 finish_test
 
 

test/func3.test

@@ -149,8 +149,32 @@ do_execsql_test func3-5.35 {
 # the code generator optimizes away so that it consumes no CPU cycles at
 # run-time (that is, during calls to sqlite3_step()).
 #
-do_test func3-5.40 {
+do_test func3-5.39 {
   db eval {EXPLAIN SELECT unlikely(min(1.0+'2.0',4*11))}
 } [db eval {EXPLAIN SELECT min(1.0+'2.0',4*11)}]
 
+do_execsql_test func3-5.40 {
+  SELECT likely(9223372036854775807);
+} {9223372036854775807}
+do_execsql_test func3-5.41 {
+  SELECT likely(-9223372036854775808);
+} {-9223372036854775808}
+do_execsql_test func3-5.42 {
+  SELECT likely(14.125);
+} {14.125}
+do_execsql_test func3-5.43 {
+  SELECT likely(NULL);
+} {{}}
+do_execsql_test func3-5.44 {
+  SELECT likely('test-string');
+} {test-string}
+do_execsql_test func3-5.45 {
+  SELECT quote(likely(x'010203000405'));
+} {X'010203000405'}
+do_test func3-5.49 {
+  db eval {EXPLAIN SELECT likely(min(1.0+'2.0',4*11))}
+} [db eval {EXPLAIN SELECT min(1.0+'2.0',4*11)}]
+
+
+
 finish_test

test/mallocK.test

@@ -16,6 +16,7 @@
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
 source $testdir/malloc_common.tcl
+set testprefix mallocK
 
 set sql {SELECT * FROM t1, t2 WHERE (a=1 OR a=2)}
 for {set x 1} {$x<5} {incr x} {
@@ -68,5 +69,70 @@ ifcapable vtab {
   }
 }
 
+#-------------------------------------------------------------------------
+# Test that OOM errors are correctly handled by the code that uses stat4
+# data to estimate the number of rows visited by a skip-scan range query.
+#
+add_alignment_test_collations db
+do_execsql_test 6.0 {
+  CREATE TABLE t3(a TEXT, b TEXT COLLATE utf16_aligned, c);
+  INSERT INTO t3 VALUES('one', '.....', 0);
+  INSERT INTO t3 VALUES('one', '....x', 1);
+  INSERT INTO t3 VALUES('one', '...x.', 2);
+  INSERT INTO t3 VALUES('one', '...xx', 3);
+  INSERT INTO t3 VALUES('one', '..x..', 4);
+  INSERT INTO t3 VALUES('one', '..x.x', 5);
+  INSERT INTO t3 VALUES('one', '..xx.', 6);
+  INSERT INTO t3 VALUES('one', '..xxx', 7);
+  INSERT INTO t3 VALUES('one', '.x...', 8);
+  INSERT INTO t3 VALUES('one', '.x..x', 9);
+  INSERT INTO t3 VALUES('one', '.x.x.', 10);
+  INSERT INTO t3 VALUES('one', '.x.xx', 11);
+  INSERT INTO t3 VALUES('one', '.xx..', 12);
+  INSERT INTO t3 VALUES('one', '.xx.x', 13);
+  INSERT INTO t3 VALUES('one', '.xxx.', 14);
+  INSERT INTO t3 VALUES('one', '.xxxx', 15);
+
+  INSERT INTO t3 VALUES('two', 'x....', 16);
+  INSERT INTO t3 VALUES('two', 'x...x', 17);
+  INSERT INTO t3 VALUES('two', 'x..x.', 18);
+  INSERT INTO t3 VALUES('two', 'x..xx', 19);
+  INSERT INTO t3 VALUES('two', 'x.x..', 20);
+  INSERT INTO t3 VALUES('two', 'x.x.x', 21);
+  INSERT INTO t3 VALUES('two', 'x.xx.', 22);
+  INSERT INTO t3 VALUES('two', 'x.xxx', 23);
+  INSERT INTO t3 VALUES('two', 'xx...', 24);
+  INSERT INTO t3 VALUES('two', 'xx..x', 25);
+  INSERT INTO t3 VALUES('two', 'xx.x.', 26);
+  INSERT INTO t3 VALUES('two', 'xx.xx', 27);
+  INSERT INTO t3 VALUES('two', 'xxx..', 28);
+  INSERT INTO t3 VALUES('two', 'xxx.x', 29);
+  INSERT INTO t3 VALUES('two', 'xxxx.', 30);
+  INSERT INTO t3 VALUES('two', 'xxxxx', 31);
+
+  INSERT INTO t3 SELECT * FROM t3;
+
+  CREATE INDEX i3 ON t3(a, b);
+  ANALYZE;
+
+  SELECT 'x' > '.';
+} {1}
+
+ifcapable stat4 {
+  do_eqp_test 6.1 {
+    SELECT DISTINCT c FROM t3 WHERE b BETWEEN '.xx..' AND '.xxxx';
+  } {
+    0 0 0 {SEARCH TABLE t3 USING INDEX i3 (ANY(a) AND b>? AND b<?)} 
+    0 0 0 {USE TEMP B-TREE FOR DISTINCT}
+  }
+}
+
+do_faultsim_test 6 -faults oom* -body {
+  db cache flush
+  db eval { SELECT DISTINCT c FROM t3 WHERE b BETWEEN '.xx..' AND '.xxxx' }
+} -test {
+  faultsim_test_result {0 {12 13 14 15}} 
+}
 
 finish_test
+

test/orderby1.test

@@ -452,6 +452,34 @@ do_test 4.0 {
   }
 } {1 13 1 14 1 15 1 16}
 
+# No sorting of queries that omit the FROM clause.
+#
+do_execsql_test 5.0 {
+  EXPLAIN QUERY PLAN SELECT 5 ORDER BY 1
+} {}
+do_execsql_test 5.1 {
+  EXPLAIN QUERY PLAN SELECT 5 UNION ALL SELECT 3 ORDER BY 1
+} {~/B-TREE/}
+do_execsql_test 5.2 {
+  SELECT 5 UNION ALL SELECT 3 ORDER BY 1
+} {3 5}
+
+# The following test (originally derived from a single test within fuzz.test)
+# verifies that a PseudoTable cursor is not closed prematurely in a deeply
+# nested query.  This test caused a segfault on 3.8.5 beta.
+#
+do_execsql_test 6.0 {
+  CREATE TABLE abc(a, b, c);
+  INSERT INTO abc VALUES(1, 2, 3);
+  INSERT INTO abc VALUES(4, 5, 6);
+  INSERT INTO abc VALUES(7, 8, 9);
+  SELECT (
+    SELECT 'hardware' FROM ( 
+      SELECT 'software' ORDER BY 'firmware' ASC, 'sportswear' DESC 
+    ) GROUP BY 1 HAVING length(b)
+  )
+  FROM abc;
+} {hardware hardware hardware}
 
 
 finish_test

test/permutations.test

@@ -158,6 +158,28 @@ test_suite "valgrind" -prefix "" -description {
   unset -nocomplain ::G(valgrind)
 }
 
+test_suite "valgrind-nolookaside" -prefix "" -description {
+  Run the "veryquick" test suite with a couple of multi-process tests (that
+  fail under valgrind) omitted.
+} -files [
+  test_set $allquicktests -exclude *malloc* *ioerr* *fault* wal.test atof1.test
+] -initialize {
+  set ::G(valgrind) 1
+  catch {db close}
+  sqlite3_shutdown
+  sqlite3_config_lookaside 0 0
+  sqlite3_initialize
+  autoinstall_test_functions
+} -shutdown {
+  catch {db close}
+  sqlite3_shutdown
+  sqlite3_config_lookaside 100 500
+  sqlite3_initialize
+  autoinstall_test_functions
+  unset -nocomplain ::G(valgrind)
+}
+
+
 test_suite "quick" -prefix "" -description {
   Quick test suite. Runs in around 10 minutes on a workstation.
 } -files [

test/shell1.test

@@ -268,7 +268,7 @@ do_test shell1-3.1.4 {
 # .bail ON|OFF           Stop after hitting an error.  Default OFF
 do_test shell1-3.2.1 {
   catchcmd "test.db" ".bail"
-} {1 {Error: unknown command or invalid arguments:  "bail". Enter ".help" for help}}
+} {1 {Usage: .bail on|off}}
 do_test shell1-3.2.2 {
   catchcmd "test.db" ".bail ON"
 } {0 {}}
@@ -278,16 +278,16 @@ do_test shell1-3.2.3 {
 do_test shell1-3.2.4 {
   # too many arguments
   catchcmd "test.db" ".bail OFF BAD"
-} {1 {Error: unknown command or invalid arguments:  "bail". Enter ".help" for help}}
+} {1 {Usage: .bail on|off}}
 
 # .databases             List names and files of attached databases
 do_test shell1-3.3.1 {
   catchcmd "-csv test.db" ".databases"
 } "/0 +.*main +[string map {/ .} [string range [get_pwd] 0 10]].*/"
 do_test shell1-3.3.2 {
-  # too many arguments
+  # extra arguments ignored
   catchcmd "test.db" ".databases BAD"
-} {1 {Error: unknown command or invalid arguments:  "databases". Enter ".help" for help}}
+} "/0 +.*main +[string map {/ .} [string range [get_pwd] 0 10]].*/"
 
 # .dump ?TABLE? ...      Dump the database in an SQL text format
 #                          If TABLE specified, only dump tables matching
@@ -305,12 +305,12 @@ do_test shell1-3.4.2 {
 do_test shell1-3.4.3 {
   # too many arguments
   catchcmd "test.db" ".dump FOO BAD"
-} {1 {Error: unknown command or invalid arguments:  "dump". Enter ".help" for help}}
+} {1 {Usage: .dump ?LIKE-PATTERN?}}
 
 # .echo ON|OFF           Turn command echo on or off
 do_test shell1-3.5.1 {
   catchcmd "test.db" ".echo"
-} {1 {Error: unknown command or invalid arguments:  "echo". Enter ".help" for help}}
+} {1 {Usage: .echo on|off}}
 do_test shell1-3.5.2 {
   catchcmd "test.db" ".echo ON"
 } {0 {}}
@@ -320,7 +320,7 @@ do_test shell1-3.5.3 {
 do_test shell1-3.5.4 {
   # too many arguments
   catchcmd "test.db" ".echo OFF BAD"
-} {1 {Error: unknown command or invalid arguments:  "echo". Enter ".help" for help}}
+} {1 {Usage: .echo on|off}}
 
 # .exit                  Exit this program
 do_test shell1-3.6.1 {
@@ -339,15 +339,15 @@ do_test shell1-3.7.3 {
   catchcmd "test.db" ".explain OFF"
 } {0 {}}
 do_test shell1-3.7.4 {
-  # too many arguments
+  # extra arguments ignored
   catchcmd "test.db" ".explain OFF BAD"
-} {1 {Error: unknown command or invalid arguments:  "explain". Enter ".help" for help}}
+} {0 {}}
 
 
 # .header(s) ON|OFF      Turn display of headers on or off
 do_test shell1-3.9.1 {
   catchcmd "test.db" ".header"
-} {1 {Error: unknown command or invalid arguments:  "header". Enter ".help" for help}}
+} {1 {Usage: .headers on|off}}
 do_test shell1-3.9.2 {
   catchcmd "test.db" ".header ON"
 } {0 {}}
@@ -357,11 +357,11 @@ do_test shell1-3.9.3 {
 do_test shell1-3.9.4 {
   # too many arguments
   catchcmd "test.db" ".header OFF BAD"
-} {1 {Error: unknown command or invalid arguments:  "header". Enter ".help" for help}}
+} {1 {Usage: .headers on|off}}
 
 do_test shell1-3.9.5 {
   catchcmd "test.db" ".headers"
-} {1 {Error: unknown command or invalid arguments:  "headers". Enter ".help" for help}}
+} {1 {Usage: .headers on|off}}
 do_test shell1-3.9.6 {
   catchcmd "test.db" ".headers ON"
 } {0 {}}
@@ -371,7 +371,7 @@ do_test shell1-3.9.7 {
 do_test shell1-3.9.8 {
   # too many arguments
   catchcmd "test.db" ".headers OFF BAD"
-} {1 {Error: unknown command or invalid arguments:  "headers". Enter ".help" for help}}
+} {1 {Usage: .headers on|off}}
 
 # .help                  Show this message
 do_test shell1-3.10.1 {
@@ -393,17 +393,17 @@ do_test shell1-3.10.2 {
 # .import FILE TABLE     Import data from FILE into TABLE
 do_test shell1-3.11.1 {
   catchcmd "test.db" ".import"
-} {1 {Error: unknown command or invalid arguments:  "import". Enter ".help" for help}}
+} {1 {Usage: .import FILE TABLE}}
 do_test shell1-3.11.2 {
   catchcmd "test.db" ".import FOO"
-} {1 {Error: unknown command or invalid arguments:  "import". Enter ".help" for help}}
+} {1 {Usage: .import FILE TABLE}}
 #do_test shell1-3.11.2 {
 #  catchcmd "test.db" ".import FOO BAR"
 #} {1 {Error: no such table: BAR}}
 do_test shell1-3.11.3 {
   # too many arguments
   catchcmd "test.db" ".import FOO BAR BAD"
-} {1 {Error: unknown command or invalid arguments:  "import". Enter ".help" for help}}
+} {1 {Usage: .import FILE TABLE}}
 
 # .indices ?TABLE?       Show names of all indices
 #                          If TABLE specified, only show indices for tables
@@ -417,7 +417,7 @@ do_test shell1-3.12.2 {
 do_test shell1-3.12.3 {
   # too many arguments
   catchcmd "test.db" ".indices FOO BAD"
-} {1 {Error: unknown command or invalid arguments:  "indices". Enter ".help" for help}}
+} {1 {Usage: .indices ?LIKE-PATTERN?}}
 
 # .mode MODE ?TABLE?     Set output mode where MODE is one of:
 #                          csv      Comma-separated values
@@ -430,7 +430,7 @@ do_test shell1-3.12.3 {
 #                          tcl      TCL list elements
 do_test shell1-3.13.1 {
   catchcmd "test.db" ".mode"
-} {1 {Error: unknown command or invalid arguments:  "mode". Enter ".help" for help}}
+} {1 {Error: mode should be one of: column csv html insert line list tabs tcl}}
 do_test shell1-3.13.2 {
   catchcmd "test.db" ".mode FOO"
 } {1 {Error: mode should be one of: column csv html insert line list tabs tcl}}
@@ -459,9 +459,9 @@ do_test shell1-3.13.10 {
   catchcmd "test.db" ".mode tcl"
 } {0 {}}
 do_test shell1-3.13.11 {
-  # too many arguments
+  # extra arguments ignored
   catchcmd "test.db" ".mode tcl BAD"
-} {1 {Error: invalid arguments:  "BAD". Enter ".help" for help}}
+} {0 {}}
 
 # don't allow partial mode type matches
 do_test shell1-3.13.12 {
@@ -472,31 +472,31 @@ do_test shell1-3.13.13 {
 } {1 {Error: mode should be one of: column csv html insert line list tabs tcl}}
 do_test shell1-3.13.14 {
   catchcmd "test.db" ".mode lin"
-} {1 {Error: mode should be one of: column csv html insert line list tabs tcl}}
+} {0 {}}
 
 # .nullvalue STRING      Print STRING in place of NULL values
 do_test shell1-3.14.1 {
   catchcmd "test.db" ".nullvalue"
-} {1 {Error: unknown command or invalid arguments:  "nullvalue". Enter ".help" for help}}
+} {1 {Usage: .nullvalue STRING}}
 do_test shell1-3.14.2 {
   catchcmd "test.db" ".nullvalue FOO"
 } {0 {}}
 do_test shell1-3.14.3 {
   # too many arguments
   catchcmd "test.db" ".nullvalue FOO BAD"
-} {1 {Error: unknown command or invalid arguments:  "nullvalue". Enter ".help" for help}}
+} {1 {Usage: .nullvalue STRING}}
 
 # .output FILENAME       Send output to FILENAME
 do_test shell1-3.15.1 {
   catchcmd "test.db" ".output"
-} {1 {Error: unknown command or invalid arguments:  "output". Enter ".help" for help}}
+} {0 {}}
 do_test shell1-3.15.2 {
   catchcmd "test.db" ".output FOO"
 } {0 {}}
 do_test shell1-3.15.3 {
   # too many arguments
   catchcmd "test.db" ".output FOO BAD"
-} {1 {Error: unknown command or invalid arguments:  "output". Enter ".help" for help}}
+} {1 {Usage: .output FILE}}
 
 # .output stdout         Send output to the screen
 do_test shell1-3.16.1 {
@@ -505,12 +505,12 @@ do_test shell1-3.16.1 {
 do_test shell1-3.16.2 {
   # too many arguments
   catchcmd "test.db" ".output stdout BAD"
-} {1 {Error: unknown command or invalid arguments:  "output". Enter ".help" for help}}
+} {1 {Usage: .output FILE}}
 
 # .prompt MAIN CONTINUE  Replace the standard prompts
 do_test shell1-3.17.1 {
   catchcmd "test.db" ".prompt"
-} {1 {Error: unknown command or invalid arguments:  "prompt". Enter ".help" for help}}
+} {0 {}}
 do_test shell1-3.17.2 {
   catchcmd "test.db" ".prompt FOO"
 } {0 {}}
@@ -520,7 +520,7 @@ do_test shell1-3.17.3 {
 do_test shell1-3.17.4 {
   # too many arguments
   catchcmd "test.db" ".prompt FOO BAR BAD"
-} {1 {Error: unknown command or invalid arguments:  "prompt". Enter ".help" for help}}
+} {0 {}}
 
 # .quit                  Exit this program
 do_test shell1-3.18.1 {
@@ -529,12 +529,12 @@ do_test shell1-3.18.1 {
 do_test shell1-3.18.2 {
   # too many arguments
   catchcmd "test.db" ".quit BAD"
-} {1 {Error: unknown command or invalid arguments:  "quit". Enter ".help" for help}}
+} {0 {}}
 
 # .read FILENAME         Execute SQL in FILENAME
 do_test shell1-3.19.1 {
   catchcmd "test.db" ".read"
-} {1 {Error: unknown command or invalid arguments:  "read". Enter ".help" for help}}
+} {1 {Usage: .read FILE}}
 do_test shell1-3.19.2 {
   forcedelete FOO
   catchcmd "test.db" ".read FOO"
@@ -542,12 +542,12 @@ do_test shell1-3.19.2 {
 do_test shell1-3.19.3 {
   # too many arguments
   catchcmd "test.db" ".read FOO BAD"
-} {1 {Error: unknown command or invalid arguments:  "read". Enter ".help" for help}}
+} {1 {Usage: .read FILE}}
 
 # .restore ?DB? FILE     Restore content of DB (default "main") from FILE
 do_test shell1-3.20.1 {
   catchcmd "test.db" ".restore"
-} {1 {Error: unknown command or invalid arguments:  "restore". Enter ".help" for help}}
+} {1 {Usage: .restore ?DB? FILE}}
 do_test shell1-3.20.2 {
   catchcmd "test.db" ".restore FOO"
 } {0 {}}
@@ -557,7 +557,7 @@ do_test shell1-3.20.3 {
 do_test shell1-3.20.4 {
   # too many arguments
   catchcmd "test.db" ".restore FOO BAR BAD"
-} {1 {Error: unknown command or invalid arguments:  "restore". Enter ".help" for help}}
+} {1 {Usage: .restore ?DB? FILE}}
 
 # .schema ?TABLE?        Show the CREATE statements
 #                          If TABLE specified, only show tables matching
@@ -571,7 +571,7 @@ do_test shell1-3.21.2 {
 do_test shell1-3.21.3 {
   # too many arguments
   catchcmd "test.db" ".schema FOO BAD"
-} {1 {Error: unknown command or invalid arguments:  "schema". Enter ".help" for help}}
+} {1 {Usage: .schema ?LIKE-PATTERN?}}
 
 do_test shell1-3.21.4 {
   catchcmd "test.db" {
@@ -588,14 +588,14 @@ db eval {DROP VIEW v1; DROP VIEW v2; DROP TABLE t1;}
 # .separator STRING      Change separator used by output mode and .import
 do_test shell1-3.22.1 {
   catchcmd "test.db" ".separator"
-} {1 {Error: unknown command or invalid arguments:  "separator". Enter ".help" for help}}
+} {1 {Usage: .separator STRING}}
 do_test shell1-3.22.2 {
   catchcmd "test.db" ".separator FOO"
 } {0 {}}
 do_test shell1-3.22.3 {
   # too many arguments
   catchcmd "test.db" ".separator FOO BAD"
-} {1 {Error: unknown command or invalid arguments:  "separator". Enter ".help" for help}}
+} {1 {Usage: .separator STRING}}
 
 # .show                  Show the current values for various settings
 do_test shell1-3.23.1 {
@@ -613,12 +613,12 @@ do_test shell1-3.23.1 {
 do_test shell1-3.23.2 {
   # too many arguments
   catchcmd "test.db" ".show BAD"
-} {1 {Error: unknown command or invalid arguments:  "show". Enter ".help" for help}}
+} {1 {Usage: .show}}
 
 # .stats ON|OFF          Turn stats on or off
 do_test shell1-3.23b.1 {
   catchcmd "test.db" ".stats"
-} {1 {Error: unknown command or invalid arguments:  "stats". Enter ".help" for help}}
+} {1 {Usage: .stats on|off}}
 do_test shell1-3.23b.2 {
   catchcmd "test.db" ".stats ON"
 } {0 {}}
@@ -628,7 +628,7 @@ do_test shell1-3.23b.3 {
 do_test shell1-3.23b.4 {
   # too many arguments
   catchcmd "test.db" ".stats OFF BAD"
-} {1 {Error: unknown command or invalid arguments:  "stats". Enter ".help" for help}}
+} {1 {Usage: .stats on|off}}
 
 # .tables ?TABLE?        List names of tables
 #                          If TABLE specified, only list tables matching
@@ -642,12 +642,12 @@ do_test shell1-3.24.2 {
 do_test shell1-3.24.3 {
   # too many arguments
   catchcmd "test.db" ".tables FOO BAD"
-} {1 {Error: unknown command or invalid arguments:  "tables". Enter ".help" for help}}
+} {0 {}}
 
 # .timeout MS            Try opening locked tables for MS milliseconds
 do_test shell1-3.25.1 {
   catchcmd "test.db" ".timeout"
-} {1 {Error: unknown command or invalid arguments:  "timeout". Enter ".help" for help}}
+} {0 {}}
 do_test shell1-3.25.2 {
   catchcmd "test.db" ".timeout zzz"
   # this should be treated the same as a '0' timeout
@@ -658,12 +658,12 @@ do_test shell1-3.25.3 {
 do_test shell1-3.25.4 {
   # too many arguments
   catchcmd "test.db" ".timeout 1 BAD"
-} {1 {Error: unknown command or invalid arguments:  "timeout". Enter ".help" for help}}
+} {0 {}}
 
 # .width NUM NUM ...     Set column widths for "column" mode
 do_test shell1-3.26.1 {
   catchcmd "test.db" ".width"
-} {1 {Error: unknown command or invalid arguments:  "width". Enter ".help" for help}}
+} {0 {}}
 do_test shell1-3.26.2 {
   catchcmd "test.db" ".width xxx"
   # this should be treated the same as a '0' width for col 1
@@ -689,7 +689,7 @@ do_test shell1-3.26.6 {
 # .timer ON|OFF          Turn the CPU timer measurement on or off
 do_test shell1-3.27.1 {
   catchcmd "test.db" ".timer"
-} {1 {Error: unknown command or invalid arguments:  "timer". Enter ".help" for help}}
+} {1 {Usage: .timer on|off}}
 do_test shell1-3.27.2 {
   catchcmd "test.db" ".timer ON"
 } {0 {}}
@@ -699,7 +699,7 @@ do_test shell1-3.27.3 {
 do_test shell1-3.27.4 {
   # too many arguments
   catchcmd "test.db" ".timer OFF BAD"
-} {1 {Error: unknown command or invalid arguments:  "timer". Enter ".help" for help}}
+} {1 {Usage: .timer on|off}}
 
 do_test shell1-3-28.1 {
   catchcmd test.db \

test/shell4.test

@@ -63,7 +63,7 @@ do_test shell4-1.2.2 {
 # .stats ON|OFF          Turn stats on or off
 do_test shell4-1.3.1 {
   catchcmd "test.db" ".stats"
-} {1 {Error: unknown command or invalid arguments:  "stats". Enter ".help" for help}}
+} {1 {Usage: .stats on|off}}
 do_test shell4-1.3.2 {
   catchcmd "test.db" ".stats ON"
 } {0 {}}
@@ -73,7 +73,7 @@ do_test shell4-1.3.3 {
 do_test shell4-1.3.4 {
   # too many arguments
   catchcmd "test.db" ".stats OFF BAD"
-} {1 {Error: unknown command or invalid arguments:  "stats". Enter ".help" for help}}
+} {1 {Usage: .stats on|off}}
 
 # NB. whitespace is important
 do_test shell4-1.4.1 {

test/shell5.test

@@ -40,29 +40,29 @@ forcedelete test.db test.db-journal test.db-wal
 # .import FILE TABLE     Import data from FILE into TABLE
 do_test shell5-1.1.1 {
   catchcmd "test.db" ".import"
-} {1 {Error: unknown command or invalid arguments:  "import". Enter ".help" for help}}
+} {1 {Usage: .import FILE TABLE}}
 do_test shell5-1.1.2 {
   catchcmd "test.db" ".import FOO"
-} {1 {Error: unknown command or invalid arguments:  "import". Enter ".help" for help}}
+} {1 {Usage: .import FILE TABLE}}
 #do_test shell5-1.1.2 {
 #  catchcmd "test.db" ".import FOO BAR"
 #} {1 {Error: no such table: BAR}}
 do_test shell5-1.1.3 {
   # too many arguments
   catchcmd "test.db" ".import FOO BAR BAD"
-} {1 {Error: unknown command or invalid arguments:  "import". Enter ".help" for help}}
+} {1 {Usage: .import FILE TABLE}}
 
 # .separator STRING      Change separator used by output mode and .import
-do_test shell1-1.2.1 {
+do_test shell5-1.2.1 {
   catchcmd "test.db" ".separator"
-} {1 {Error: unknown command or invalid arguments:  "separator". Enter ".help" for help}}
-do_test shell1-1.2.2 {
+} {1 {Usage: .separator STRING}}
+do_test shell5-1.2.2 {
   catchcmd "test.db" ".separator FOO"
 } {0 {}}
-do_test shell1-1.2.3 {
+do_test shell5-1.2.3 {
   # too many arguments
   catchcmd "test.db" ".separator FOO BAD"
-} {1 {Error: unknown command or invalid arguments:  "separator". Enter ".help" for help}}
+} {1 {Usage: .separator STRING}}
 
 # separator should default to "|"
 do_test shell5-1.3.1 {
@@ -356,6 +356,18 @@ CREATE TABLE t4(a, b);
   db eval { SELECT * FROM t4 }
 } {xy\" hello}
 
+do_test shell5-2.5 {
+  set fd [open shell5.csv w]
+  puts $fd {"one","2"}
+  puts $fd {}
+  close $fd
+  catchcmd test.db [string trim {
+.mode csv
+CREATE TABLE t4(a, b);
+.import shell5.csv t4
+  }]
+  db eval { SELECT * FROM t4 }
+} {xy\" hello one 2 {} {}}
 
 
 finish_test

test/skipscan5.test

@@ -0,0 +1,186 @@
+# 2013-11-13
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+#
+# This file implements tests of the "skip-scan" query strategy. In 
+# particular it tests that stat4 data can be used by a range query
+# that uses the skip-scan approach.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix skipscan5
+
+ifcapable !stat4 {
+  finish_test
+  return
+}
+
+do_execsql_test 1.1 {
+  CREATE TABLE t1(a INT, b INT, c INT);
+  CREATE INDEX i1 ON t1(a, b);
+} {}
+
+expr srand(4)
+do_test 1.2 {
+  for {set i 0} {$i < 100} {incr i} {
+    set a [expr int(rand()*4.0) + 1]
+    set b [expr int(rand()*20.0) + 1]
+    execsql { INSERT INTO t1 VALUES($a, $b, NULL) }
+  }
+  execsql ANALYZE
+} {}
+
+foreach {tn q res} {
+  1  "b = 5"                   {/*ANY(a) AND b=?*/}
+  2  "b > 12 AND b < 16"       {/*ANY(a) AND b>? AND b<?*/}
+  3  "b > 2 AND b < 16"        {/*SCAN TABLE t1*/}
+  4  "b > 18 AND b < 25"       {/*ANY(a) AND b>? AND b<?*/}
+  5  "b > 15"                  {/*ANY(a) AND b>?*/}
+  6  "b > 5"                   {/*SCAN TABLE t1*/}
+  7  "b < 15"                  {/*SCAN TABLE t1*/}
+  8  "b < 5"                   {/*ANY(a) AND b<?*/}
+  9  "5 > b"                   {/*ANY(a) AND b<?*/}
+  10 "b = '5'"                 {/*ANY(a) AND b=?*/}
+  11 "b > '12' AND b < '16'"   {/*ANY(a) AND b>? AND b<?*/}
+  12 "b > '2' AND b < '16'"    {/*SCAN TABLE t1*/}
+  13 "b > '18' AND b < '25'"   {/*ANY(a) AND b>? AND b<?*/}
+  14 "b > '15'"                {/*ANY(a) AND b>?*/}
+  15 "b > '5'"                 {/*SCAN TABLE t1*/}
+  16 "b < '15'"                {/*SCAN TABLE t1*/}
+  17 "b < '5'"                 {/*ANY(a) AND b<?*/}
+  18 "'5' > b"                 {/*ANY(a) AND b<?*/}
+} {
+  set sql "EXPLAIN QUERY PLAN SELECT * FROM t1 WHERE $q"
+  do_execsql_test 1.3.$tn $sql $res
+}
+
+
+#-------------------------------------------------------------------------
+# Test that range-query/skip-scan estimation works with text values.
+# And on UTF-16 databases when there is no UTF-16 collation sequence
+# available.
+#
+
+proc test_collate {enc lhs rhs} {
+  string compare $lhs $rhs
+}
+
+foreach {tn dbenc coll} {
+  1 UTF-8   { add_test_collate db 0 0 1 }
+  2 UTF-16  { add_test_collate db 1 0 0 }
+  3 UTF-8   { add_test_collate db 0 1 0 }
+} {
+  reset_db
+  eval $coll
+
+  do_execsql_test 2.$tn.1 " PRAGMA encoding = '$dbenc' "
+  do_execsql_test 2.$tn.2 {
+    CREATE TABLE t2(a TEXT, b TEXT, c TEXT COLLATE test_collate, d TEXT);
+    CREATE INDEX i2 ON t2(a, b, c);
+  }
+
+  set vocab(d) { :) }
+  set vocab(c) { a b c d e f g h i j k l m n o p q r s t }
+  set vocab(b) { one two three }
+  set vocab(a) { sql }
+
+  do_test 2.$tn.3 {
+    for {set i 0} {$i < 100} {incr i} {
+      foreach var {a b c d} { 
+        set $var [lindex $vocab($var) [expr $i % [llength $vocab($var)]]]
+      }
+      execsql { INSERT INTO t2 VALUES($a, $b, $c, $d) }
+    }
+    execsql ANALYZE
+  } {}
+
+  foreach {tn2 q res} {
+    1 { c BETWEEN 'd' AND 'e' }       {/*ANY(a) AND ANY(b) AND c>? AND c<?*/}
+    2 { c BETWEEN 'b' AND 'r' }       {/*SCAN TABLE t2*/}
+    3 { c > 'q' }                     {/*ANY(a) AND ANY(b) AND c>?*/}
+    4 { c > 'e' }                     {/*SCAN TABLE t2*/}
+    5 { c < 'q' }                     {/*SCAN TABLE t2*/}
+    4 { c < 'e' }                     {/*ANY(a) AND ANY(b) AND c<?*/}
+  } {
+    set sql "EXPLAIN QUERY PLAN SELECT * FROM t2 WHERE $q" 
+    do_execsql_test 2.$tn.$tn2 $sql $res
+  }
+
+}
+
+#-------------------------------------------------------------------------
+# Test that range-query/skip-scan estimation works on columns that contain
+# a variety of types.
+#
+
+reset_db
+do_execsql_test 3.1 {
+  CREATE TABLE t3(a, b, c);
+  CREATE INDEX i3 ON t3(a, b);
+}
+
+set values {
+    NULL NULL NULL
+    NULL -9567 -9240
+    -8725 -8659 -8248.340244520614
+    -8208 -7939 -7746.985758536954
+    -7057 -6550 -5916
+    -5363 -4935.781822975623 -4935.063633571875
+    -3518.4554911770183 -2537 -2026
+    -1511.2603881914456 -1510.4195994839156 -1435
+    -1127.4210136045804 -1045 99
+    1353 1457 1563.2908193223611
+    2245 2286 2552
+    2745.18831295203 2866.279926554429 3075.0468527316334
+    3447 3867 4237.892420141907
+    4335 5052.9775000424015 5232.178240656935
+    5541.784919585003 5749.725576373621 5758
+    6005 6431 7263.477992854769
+    7441 7541 8667.279760663994
+    8857 9199.638673662972 'dl'
+    'dro' 'h' 'igprfq'
+    'jnbd' 'k' 'kordee'
+    'lhwcv' 'mzlb' 'nbjked'
+    'nufpo' 'nxqkdq' 'shelln'
+    'tvzn' 'wpnt' 'wylf'
+    'ydkgu' 'zdb' X''
+    X'0a' X'203f6429f1f33f' X'23858e324545e0362b'
+    X'3f9f8a' X'516f7ddd4b' X'68f1df0930ac6b'
+    X'9ea60d' X'a06f' X'aefd342a39ce36df'
+    X'afaa020fe2' X'be201c' X'c47d97b209601e45'
+}
+
+do_test 3.2 {
+  set c 0
+  foreach v $values {
+    execsql "INSERT INTO t3 VALUES($c % 2, $v, $c)"
+    incr c
+  }
+  execsql ANALYZE
+} {}
+
+foreach {tn q res} {
+  1 "b BETWEEN -10000 AND -8000"       {/*ANY(a) AND b>? AND b<?*/}
+  2 "b BETWEEN -10000 AND 'qqq'"       {/*SCAN TABLE t3*/}
+  3 "b < X'5555'"                      {/*SCAN TABLE t3*/}
+  4 "b > X'5555'"                      {/*ANY(a) AND b>?*/}
+  5 "b > 'zzz'"                        {/*ANY(a) AND b>?*/}
+  6 "b < 'zzz'"                        {/*SCAN TABLE t3*/}
+} {
+  set sql "EXPLAIN QUERY PLAN SELECT * FROM t3 WHERE $q" 
+  do_execsql_test 3.3.$tn $sql $res
+}
+
+finish_test
+
+
+
+

test/tkt-9a8b09f8e6.test

@@ -0,0 +1,323 @@
+# 2014 June 26
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library.
+#
+# This file implements tests to verify that ticket [9a8b09f8e6] has been
+# fixed.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix tkt-9a8b09f8e6
+
+do_test 1.1 {
+  execsql {
+    CREATE TABLE t1(x TEXT);
+    INSERT INTO t1 VALUES('1');
+  }
+} {}
+
+do_test 1.2 {
+  execsql {
+    CREATE TABLE t2(x INTEGER);
+    INSERT INTO t2 VALUES(1);
+  }
+} {}
+
+do_test 1.3 {
+  execsql {
+    CREATE TABLE t3(x REAL);
+    INSERT INTO t3 VALUES(1.0);
+  }
+} {}
+
+do_test 1.4 {
+  execsql {
+    CREATE TABLE t4(x REAL);
+    INSERT INTO t4 VALUES(1.11);
+  }
+} {}
+
+do_test 1.5 {
+  execsql {
+    CREATE TABLE t5(x, y);
+    INSERT INTO t5 VALUES('1', 'one');
+    INSERT INTO t5 VALUES(1, 'two');
+    INSERT INTO t5 VALUES('1.0', 'three');
+    INSERT INTO t5 VALUES(1.0, 'four');
+  }
+} {}
+
+do_test 2.1 {
+  execsql {
+    SELECT x FROM t1 WHERE x IN (1);
+  }
+} {1}
+
+do_test 2.2 {
+  execsql {
+    SELECT x FROM t1 WHERE x IN (1.0);
+  }
+} {}
+
+do_test 2.3 {
+  execsql {
+    SELECT x FROM t1 WHERE x IN ('1');
+  }
+} {1}
+
+do_test 2.4 {
+  execsql {
+    SELECT x FROM t1 WHERE x IN ('1.0');
+  }
+} {}
+
+do_test 2.5 {
+  execsql {
+    SELECT x FROM t1 WHERE 1 IN (x);
+  }
+} {}
+
+do_test 2.6 {
+  execsql {
+    SELECT x FROM t1 WHERE 1.0 IN (x);
+  }
+} {}
+
+do_test 2.7 {
+  execsql {
+    SELECT x FROM t1 WHERE '1' IN (x);
+  }
+} {1}
+
+do_test 2.8 {
+  execsql {
+    SELECT x FROM t1 WHERE '1.0' IN (x);
+  }
+} {}
+
+do_test 3.1 {
+  execsql {
+    SELECT x FROM t2 WHERE x IN (1);
+  }
+} {1}
+
+do_test 3.2 {
+  execsql {
+    SELECT x FROM t2 WHERE x IN (1.0);
+  }
+} {1}
+
+do_test 3.3 {
+  execsql {
+    SELECT x FROM t2 WHERE x IN ('1');
+  }
+} {1}
+
+do_test 3.4 {
+  execsql {
+    SELECT x FROM t2 WHERE x IN ('1.0');
+  }
+} {1}
+
+do_test 3.5 {
+  execsql {
+    SELECT x FROM t2 WHERE 1 IN (x);
+  }
+} {1}
+
+do_test 3.6 {
+  execsql {
+    SELECT x FROM t2 WHERE 1.0 IN (x);
+  }
+} {1}
+
+do_test 3.7 {
+  execsql {
+    SELECT x FROM t2 WHERE '1' IN (x);
+  }
+} {}
+
+do_test 3.8 {
+  execsql {
+    SELECT x FROM t2 WHERE '1.0' IN (x);
+  }
+} {}
+
+do_test 4.1 {
+  execsql {
+    SELECT x FROM t3 WHERE x IN (1);
+  }
+} {1.0}
+
+do_test 4.2 {
+  execsql {
+    SELECT x FROM t3 WHERE x IN (1.0);
+  }
+} {1.0}
+
+do_test 4.3 {
+  execsql {
+    SELECT x FROM t3 WHERE x IN ('1');
+  }
+} {1.0}
+
+do_test 4.4 {
+  execsql {
+    SELECT x FROM t3 WHERE x IN ('1.0');
+  }
+} {1.0}
+
+do_test 4.5 {
+  execsql {
+    SELECT x FROM t3 WHERE 1 IN (x);
+  }
+} {1.0}
+
+do_test 4.6 {
+  execsql {
+    SELECT x FROM t3 WHERE 1.0 IN (x);
+  }
+} {1.0}
+
+do_test 4.7 {
+  execsql {
+    SELECT x FROM t3 WHERE '1' IN (x);
+  }
+} {}
+
+do_test 4.8 {
+  execsql {
+    SELECT x FROM t3 WHERE '1.0' IN (x);
+  }
+} {}
+
+do_test 5.1 {
+  execsql {
+    SELECT x FROM t4 WHERE x IN (1);
+  }
+} {}
+
+do_test 5.2 {
+  execsql {
+    SELECT x FROM t4 WHERE x IN (1.0);
+  }
+} {}
+
+do_test 5.3 {
+  execsql {
+    SELECT x FROM t4 WHERE x IN ('1');
+  }
+} {}
+
+do_test 5.4 {
+  execsql {
+    SELECT x FROM t4 WHERE x IN ('1.0');
+  }
+} {}
+
+do_test 5.5 {
+  execsql {
+    SELECT x FROM t4 WHERE x IN (1.11);
+  }
+} {1.11}
+
+do_test 5.6 {
+  execsql {
+    SELECT x FROM t4 WHERE x IN ('1.11');
+  }
+} {1.11}
+
+do_test 5.7 {
+  execsql {
+    SELECT x FROM t4 WHERE 1 IN (x);
+  }
+} {}
+
+do_test 5.8 {
+  execsql {
+    SELECT x FROM t4 WHERE 1.0 IN (x);
+  }
+} {}
+
+do_test 5.9 {
+  execsql {
+    SELECT x FROM t4 WHERE '1' IN (x);
+  }
+} {}
+
+do_test 5.10 {
+  execsql {
+    SELECT x FROM t4 WHERE '1.0' IN (x);
+  }
+} {}
+
+do_test 5.11 {
+  execsql {
+    SELECT x FROM t4 WHERE 1.11 IN (x);
+  }
+} {1.11}
+
+do_test 5.12 {
+  execsql {
+    SELECT x FROM t4 WHERE '1.11' IN (x);
+  }
+} {}
+
+do_test 6.1 {
+  execsql {
+    SELECT x, y FROM t5 WHERE x IN (1);
+  }
+} {1 two 1.0 four}
+
+do_test 6.2 {
+  execsql {
+    SELECT x, y FROM t5 WHERE x IN (1.0);
+  }
+} {1 two 1.0 four}
+
+do_test 6.3 {
+  execsql {
+    SELECT x, y FROM t5 WHERE x IN ('1');
+  }
+} {1 one}
+
+do_test 6.4 {
+  execsql {
+    SELECT x, y FROM t5 WHERE x IN ('1.0');
+  }
+} {1.0 three}
+
+do_test 6.5 {
+  execsql {
+    SELECT x, y FROM t5 WHERE 1 IN (x);
+  }
+} {1 two 1.0 four}
+
+do_test 6.6 {
+  execsql {
+    SELECT x, y FROM t5 WHERE 1.0 IN (x);
+  }
+} {1 two 1.0 four}
+
+do_test 6.7 {
+  execsql {
+    SELECT x, y FROM t5 WHERE '1' IN (x);
+  }
+} {1 one}
+
+do_test 6.8 {
+  execsql {
+    SELECT x, y FROM t5 WHERE '1.0' IN (x);
+  }
+} {1.0 three}
+
+finish_test

test/tpch01.test

@@ -168,7 +168,10 @@ do_test tpch01-1.1 {
 } {/0 0 0 {SEARCH TABLE part USING INDEX bootleg_pti .P_TYPE=..} 0 1 2 {SEARCH TABLE lineitem USING INDEX lpki2 .L_PARTKEY=..}.*/}
 do_test tpch01-1.1b {
   set ::eqpres
-} {/.* customer .* nation AS n1 .* nation AS n2 .*/}
+} {/.* customer .* nation AS n1 .*/}
+do_test tpch01-1.1c {
+  set ::eqpres
+} {/.* supplier .* nation AS n2 .*/}
 
 do_eqp_test tpch01-1.2 {
 select
@@ -185,3 +188,5 @@ group by
 order by
     revenue desc;
 } {0 0 1 {SEARCH TABLE orders USING INDEX odi (O_ORDERDATE>? AND O_ORDERDATE<?)} 0 1 0 {SEARCH TABLE customer USING INDEX cpki (C_CUSTKEY=?)} 0 2 3 {SEARCH TABLE nation USING INDEX npki (N_NATIONKEY=?)} 0 3 2 {SEARCH TABLE lineitem USING INDEX lpki (L_ORDERKEY=?)} 0 0 0 {USE TEMP B-TREE FOR GROUP BY} 0 0 0 {USE TEMP B-TREE FOR ORDER BY}}
+
+finish_test

test/whereG.test

@@ -9,7 +9,7 @@
 #
 #***********************************************************************
 # 
-# Test cases for query planning decisions and the unlikely() and
+# Test cases for query planning decisions and the likely(), unlikely(), and
 # likelihood() functions.
 
 set testdir [file dirname $argv0]
@@ -199,6 +199,9 @@ do_eqp_test 5.1.2 {
 do_eqp_test 5.1.3 {
   SELECT * FROM t1 WHERE likelihood(a>?, 0.9)
 } {0 0 0 {SCAN TABLE t1}}
+do_eqp_test 5.1.4 {
+  SELECT * FROM t1 WHERE likely(a>?)
+} {0 0 0 {SCAN TABLE t1}}
 
 do_test 5.2 {
   for {set i 0} {$i < 100} {incr i} {
@@ -213,6 +216,9 @@ do_eqp_test 5.2.2 {
 do_eqp_test 5.2.3 {
   SELECT * FROM t1 WHERE likelihood(b>?, 0.9)
 } {0 0 0 {SCAN TABLE t1}}
+do_eqp_test 5.2.4 {
+  SELECT * FROM t1 WHERE likely(b>?)
+} {0 0 0 {SCAN TABLE t1}}
 
 do_eqp_test 5.3.1 {
   SELECT * FROM t1 WHERE a=?
@@ -220,6 +226,8 @@ do_eqp_test 5.3.1 {
 do_eqp_test 5.3.2 {
   SELECT * FROM t1 WHERE likelihood(a=?, 0.9)
 } {0 0 0 {SCAN TABLE t1}}
+do_eqp_test 5.3.3 {
+  SELECT * FROM t1 WHERE likely(a=?)
+} {0 0 0 {SCAN TABLE t1}}
 
 finish_test
-

test/whereI.test

@@ -69,6 +69,24 @@ do_execsql_test 2.3 {
   SELECT a FROM t2 WHERE b='a' OR c='z'
 } {i}
 
+#----------------------------------------------------------------------
+# On a table with a multi-column PK.
+#
+do_execsql_test 3.0 {
+  CREATE TABLE t3(a, b, c, d, PRIMARY KEY(c, b)) WITHOUT ROWID;
+
+  INSERT INTO t3 VALUES('f', 1, 1, 'o');
+  INSERT INTO t3 VALUES('o', 2, 1, 't');
+  INSERT INTO t3 VALUES('t', 1, 2, 't');
+  INSERT INTO t3 VALUES('t', 2, 2, 'f');
+
+  CREATE INDEX t3i1 ON t3(d);
+  CREATE INDEX t3i2 ON t3(a);
+
+  SELECT c||'.'||b FROM t3 WHERE a='t' OR d='t'
+} {
+  2.1 2.2 1.2
+}
+
 finish_test
 
-

test/whereJ.test

@@ -0,0 +1,331 @@
+# 2014-06-06
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# 
+# This file implements a single regression test for a complex
+# query planning case.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set ::testprefix whereJ
+
+ifcapable !stat4 {
+  finish_test
+  return
+}
+
+do_execsql_test whereJ-1.0 {
+  CREATE TABLE tx1 (
+    est,
+    cid,
+    sid,	
+    fid,
+    aid,
+    edate,
+    rstat,
+    ftype,
+    cx,
+    fyear,
+    fp,
+    acode,
+    a1,
+    curx,
+    tdate,
+    gstat,
+    trgtpx,
+    effdate,
+    adate,
+    ytime,
+    mstat
+  );
+  CREATE INDEX ix0 on tx1(a1,curx,aid,cid,sid,ftype,fp,fyear DESC,edate DESC,fid);
+  CREATE INDEX ix1 on tx1(a1,curx,aid,ftype,fp,fyear DESC,fid,edate DESC,cid,sid);
+  CREATE INDEX ix2 on tx1(a1,curx,cid,sid,ftype,fp,fyear DESC,edate DESC,aid,fid);
+  CREATE INDEX ix3 on tx1(a1,curx,fid,ftype,fp,fyear DESC,cid,sid,aid,edate DESC);
+  CREATE INDEX ix4 on tx1(a1,curx,ftype,cid,sid,aid,edate DESC,fid,fp,fyear DESC);
+  CREATE INDEX ix5 on tx1(a1,curx,ftype,aid,fid,cid,sid,edate DESC,fp,fyear DESC);
+  CREATE INDEX ix6 on tx1(ftype,fp,fyear DESC,cid,sid,edate DESC,a1,fid,aid,curx,est,rstat,cx,acode,tdate,gstat,trgtpx,effdate,adate,ytime,mstat);
+  CREATE INDEX ix7 on tx1(cid,a1,curx,sid,ftype,est,fid,aid,edate,rstat,cx,fyear,fp,acode,tdate,gstat,trgtpx,effdate,adate,ytime,mstat);
+  CREATE INDEX ix8 on tx1(cid,sid,edate DESC,aid,est);
+  CREATE INDEX ix9 on tx1(aid,edate DESC,a1,curx);
+} {}
+do_execsql_test whereJ-1.1 {
+  ANALYZE sqlite_master;
+  DELETE FROM sqlite_stat1;
+  DELETE FROM sqlite_stat4;
+  INSERT INTO sqlite_stat1 VALUES('tx1','ix9','11680827 289 2 2 2');
+  INSERT INTO sqlite_stat1 VALUES('tx1','ix8','11680827 286 250 2 2 2');
+  INSERT INTO sqlite_stat1 VALUES('tx1','ix7','11680827 286 194 98 88 83 18 7 6 2 2 2 2 2 2 2 2 2 2 2 2 2');
+  INSERT INTO sqlite_stat1 VALUES('tx1','ix6','11680827 5840414 5840414 5840414 240 212 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2');
+  INSERT INTO sqlite_stat1 VALUES('tx1','ix5','11680827 5840414 2920207 1668690 114 90 8 8 2 2 2');
+  INSERT INTO sqlite_stat1 VALUES('tx1','ix4','11680827 5840414 2920207 1668690 92 83 9 2 2 2 2');
+  INSERT INTO sqlite_stat1 VALUES('tx1','ix3','11680827 5840414 2920207 2048 1835 1835 1835 12 11 8 2');
+  INSERT INTO sqlite_stat1 VALUES('tx1','ix2','11680827 5840414 2920207 98 88 83 83 83 2 2 2');
+  INSERT INTO sqlite_stat1 VALUES('tx1','ix1','11680827 5840414 2920207 117 114 114 114 90 2 2 2');
+  INSERT INTO sqlite_stat1 VALUES('tx1','ix0','11680827 5840414 2920207 117 9 9 9 9 9 2 2');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','6736 21 21 21 1','29210 29404 29404 29404 29424','44 12184 13020 13079 29424',X'06030409080416C1150133512800B01FCA');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','6658 24 21 21 1','452220 453273 453276 453276 453296','622 226258 235279 236774 453296',X'06030409080416F34501332ADC00AA1BD3');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','820 2 2 2 1','1297771 1297869 1297869 1297869 1297869','1964 681724 711020 715822 1297869',X'06030409080317875501332C6C55AF4D');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','26985 2216 2216 2216 1','1797607 1797782 1797782 1797782 1799997','3162 970307 1008879 1016089 1799997',X'0603040809041A08040132401A0099A334');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','10434 19 17 17 1','2118117 2120403 2120405 2120405 2120421','3815 1136110 1181459 1190207 2120421',X'0603040908041AD36901332CD000861A2F');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','437 1 1 1 1','2595414 2595739 2595739 2595739 2595739','5005 1409452 1464066 1475163 2595739',X'0603040808031CE7FD01317FD46BFBCC');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','12619 38 38 38 1','2595957 2600212 2600212 2600212 2600249','5007 1410347 1464961 1476068 2600249',X'0603040808041CE87E01328F61008CE96A');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','7534 23 18 18 1','3329985 3334890 3334895 3334895 3334912','6901 1834013 1902216 1917268 3334912',X'060304090804244E1901328F59008CAA39');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','5693 1 1 1 1','3891665 3893609 3893609 3893609 3893609','8357 2164400 2245393 2263185 3893609',X'0603040808043063B70132B66800A28A43');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','44405 2588 2223 1527 1','4220255 4221633 4221998 4222694 4224220','9221 2354858 2441973 2461511 4224220',X'0603040909043377630133517A00B0DE4F');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','6883 32 28 28 1','4423918 4429926 4429930 4429930 4429957','9690 2452276 2543443 2563995 4429957',X'06030409080434F46801328F5C008CC3DA');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','6974 27 26 26 1','5048404 5051129 5051130 5051130 5051155','11703 2817010 2920184 2944013 5051155',X'0603040908043C1C5C0132DEA5009F7473');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','476 2 2 2 1','5191322 5191479 5191479 5191479 5191479','12242 2901130 3006663 3031222 5191479',X'0603040908033DC6080132DEA478849A');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','627 4 4 4 1','6488823 6489349 6489349 6489349 6489349','16423 3644815 3778857 3809866 6489349',X'0603040808035AA00E0131F4AE342150');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','145 2 2 1 1','7787091 7787218 7787218 7787219 7787219','20223 4343720 4510110 4547961 7787219',X'0603040809037254890132189C703706');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','20 1 1 1 1','9085074 9085089 9085089 9085089 9085089','25315 5033102 5230788 5275692 9085089',X'06040408080300EAE6CA01326657620652');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','229621 6135 5934 5934 1','9507353 9572696 9572696 9572696 9576801','27189 5255584 5463962 5511784 9576801',X'06040408080300F2FA440132DF1A7D1A60');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','6376 24 22 22 1','10381524 10382938 10382940 10382940 10382959','30519 5581705 5804515 5856651 10382959',X'06040409080400F9DBF3013305AC00A688A4');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','7761 45 9 9 1','10569039 10572476 10572512 10572512 10572520','31455 5661599 5888691 5941811 10572520',X'06040409080400FB31560132DDD800A05DF5');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','8382 37 37 37 1','10866664 10867565 10867565 10867565 10867601','33475 5809193 6042611 6097741 10867601',X'06040409080400FFA4A701332A0E00A93957');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','76136 4099 3018 3018 1','11283107 11308143 11309224 11309224 11312241','37001 6022861 6264510 6322923 11312241',X'060404090804010B0A5C0133517200B0E8E0');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','23472 2188 2188 2181 1','11365285 11380281 11380281 11380288 11382468','37055 6026680 6268909 6327509 11382468',X'060404080904010B3C6701332B2E00AA4374');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','59591 4087 4073 4 1','11415316 11448759 11448773 11452842 11452845','37350 6040743 6283483 6342389 11452845',X'060404090904010BFA810133512800B010AE');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix9','43891 3029 3021 4 1','11598477 11622881 11622889 11625906 11625909','39110 6107644 6353109 6413914 11625909',X'0604040909040113B9960133512800B01235');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','7340 4977 19 1 1 1','206533 206533 208739 208757 208757 208757','125 164 111403 207397 207399 208757',X'070308040407030187840132B54B0101A0D1401C0000000000004C87E5');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','8877 8788 45 1 1 1','1221375 1221375 1224509 1224553 1224553 1224553','931 1117 679933 1216705 1216722 1224553',X'07030804040703018D3F0133023D010B9B67401C0000000000007A99EF');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','7204 7204 39 1 1 1','1240162 1240162 1242572 1242610 1242610 1242610','942 1131 688420 1234655 1234672 1242610',X'07030804040703018D4F0132DB820105D324401C0000000000007EC569');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','9608 9608 44 1 1 1','1264939 1264939 1266529 1266572 1266572 1266572','952 1145 699518 1258423 1258440 1266572',X'07030804040704018D61013305B9010D3CEB406E8000000000000081E17A');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','6636 6636 1 1 1 1','1294580 1294580 1297869 1297869 1297869 1297869','964 1159 713121 1289522 1289540 1297869',X'07030804030704018D7801328F693482A2403400000000000000A26728');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','7822 6629 26 1 1 1','2375708 2375708 2381333 2381358 2381358 2381358','3423 3833 1371902 2366527 2366559 2381358',X'0703080403070301B1F501317F16403B7B403F00000000000060D67A');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','1403 1303 5 1 1 1','2594767 2594767 2595737 2595739 2595739 2595739','3914 4427 1512042 2580073 2580114 2595739',X'0703080403070301B6480131CC18558082407120000000000029CC12');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','7901 6067 26 1 1 1','3424107 3424107 3425939 3425964 3425964 3425964','5872 6630 2032411 3406550 3406594 3425964',X'0703080404070401C3F90132B7A100FDCC04403E00000000000000A014CE');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','7483 6161 22 1 1 1','3549446 3549446 3555223 3555244 3555244 3555244','5932 6752 2099309 3535259 3535304 3555244',X'0703080403070301C4490131573F4104F8403400000000000067FD1E');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','12076 8263 37 1 1 1','3558079 3558079 3560036 3560072 3560072 3560072','5935 6758 2101989 3540078 3540123 3560072',X'0703080404070301C44E0132DD0901076DA9404200000000000076F994');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','1123 1113 1 1 1 1','3892913 3892913 3893609 3893609 3893609 3893609','6594 7611 2305483 3871711 3871770 3893609',X'0703080403070301CA280131CA1C215083401C00000000000071F6B2');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','9344 7315 41 1 1 1','4213510 4213510 4219434 4219474 4219474 4219474','7200 8390 2503024 4196141 4196204 4219474',X'0703080404070301CE8C01317DE800FE4E8B4034000000000000458317');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','8062 3291 1 1 1 1','5037060 5037060 5040350 5040350 5040350 5040350','10201 11915 3045602 5012912 5012997 5040350',X'070308040307030213B20130B83A16DF86403600000000000028F8CD');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','9125 2926 1 1 1 1','5046490 5052665 5055590 5055590 5055590 5055590','10203 11926 3055524 5028097 5028182 5055590',X'070302040307030213B5232A013107F01745AF40330000000000002B57DE');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','591 591 1 1 1 1','5190991 5190991 5191479 5191479 5191479 5191479','10649 12426 3145181 5163206 5163296 5191479',X'070308040307030244AD0131315217C1CD401C00000000000003BC32');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','7381 4689 1 1 1 1','6112248 6112248 6116936 6116936 6116936 6116936','13780 16308 3748958 6083681 6083797 6116936',X'0703080403070402A9D1013108B531A21C401C0000000000000092F5C6');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','7569 7381 28 1 1 1','6280084 6280084 6281842 6281869 6281869 6281869','14559 17217 3856803 6247722 6247841 6281869',X'0703080404070302C14C0132DBF101044CC7401C00000000000074FB16');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','8289 7047 28 1 1 1','6290764 6290764 6296854 6296881 6296881 6296881','14569 17229 3863206 6262658 6262777 6296881',X'0703080403070302C16401317CC348B670401C0000000000006824BB');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','2209 2209 1 1 1 1','6489075 6489075 6489349 6489349 6489349 6489349','15377 18147 3986912 6454194 6454318 6489349',X'0703080403070402EA5901332A656C6F5E401C00000000000000AE7C03');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','7381 6799 1 1 1 1','7314420 7314420 7321218 7321218 7321218 7321218','18403 21722 4532963 7281695 7281847 7321218',X'07030804030703049EE501310667176DC940438000000000005ED2B5');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','7163 7001 31 1 1 1','7652849 7652849 7658600 7658630 7658630 7658630','19462 22956 4750159 7617449 7617608 7658630',X'070308040407030503EB01317DEF010ADD3F402800000000000061C3EF');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','1433 1433 2 1 1 1','7785842 7785842 7787219 7787219 7787219 7787219','20001 23575 4834605 7745315 7745477 7787219',X'07030804030703055010013156D81B11AC404380000000000004A313');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','2247 2247 1 1 1 1','9083272 9083272 9085089 9085089 9085089 9085089','24940 29143 5668423 9036693 9036887 9085089',X'070308040307031A620A01323EEB5CE39C406FE000000000006F8177');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix8','107 107 5 1 1 1','10382912 10382912 10382957 10382959 10382959 10382959','31251 36297 6541362 10329764 10330008 10382959',X'0704080403070400955501013350516AA9D0406060000000000000884648');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix7','7340 4770 4527 3331 3331 970 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1','206533 206533 206533 206533 206533 206596 207565 207565 207565 207565 207565 207565 207565 207565 207565 207565 207565 207565 207565 207565 207565 207565','125 202 402 512 560 6209 20696 25885 206260 206260 206260 206260 206260 206260 206260 206260 206260 206260 206260 206260 206260 207565',X'1703080808080704030408030808010308070808080803018784401C000000000000024FD353493F8801317E4700FFFF0F00FFFFC0F869E0000000002642C5');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix7','8877 4669 71 3 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1','1221375 1225583 1230181 1230249 1230249 1230251 1230251 1230251 1230251 1230251 1230251 1230251 1230251 1230251 1230251 1230251 1230251 1230251 1230251 1230251 1230251 1230251','931 1504 2992 3495 3751 39629 120561 147424 1222711 1222711 1222711 1222711 1222711 1222711 1222711 1222711 1222711 1222711 1222711 1222711 1222711 1230251',X'1703090902080704030408090808010108070404040804018D3F03E8405680000000000000822B981EB823013351F00F0C4086E00000000000013351F0013351F053870D7500B22A8C');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix7','7204 4801 193 193 4 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1','1240162 1240162 1244770 1244770 1244959 1244961 1244962 1244962 1244962 1244962 1244962 1244962 1244962 1244962 1244962 1244962 1244962 1244962 1244962 1244962 1244962 1244962','942 1520 3024 3531 3791 40098 122274 149540 1237296 1237296 1237296 1237296 1237296 1237296 1237296 1237296 1237296 1237296 1237296 1237296 1237296 1244962',X'1703080908010703030408030808010308070408040803018D4F07406FE000000000000602CF16DE05013303C300FFFF0300FFFFC0F869E000000000013303C3008000004BD756');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix7','9608 6098 5910 5910 5910 2149 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1','1264939 1264939 1264939 1264939 1264939 1265217 1267365 1267365 1267365 1267365 1267365 1267365 1267365 1267365 1267365 1267365 1267365 1267365 1267365 1267365 1267365 1267365','952 1536 3055 3576 3841 40616 124132 151876 1259547 1259547 1259547 1259547 1259547 1259547 1259547 1259547 1259547 1259547 1259547 1259547 1259547 1267365',X'1703080808080704030408090808010101070404040803018D61401C0000000000000131374D1726AB0132DD780F0C0540390000000000000132DD780132DD784E2789C6190CA9');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix7','6636 4411 4237 4237 4237 33 8 8 1 1 1 1 1 1 1 1 1 1 1 1 1 1','1294580 1294580 1294580 1294580 1294580 1297842 1297862 1297862 1297869 1297869 1297869 1297869 1297869 1297869 1297869 1297869 1297869 1297869 1297869 1297869 1297869 1297869','964 1557 3097 3622 3888 41246 126538 154868 1289863 1289863 1289863 1289863 1289863 1289863 1289863 1289863 1289863 1289863 1289863 1289863 1289863 1297869',X'1703080808080703030408090808010308070808080803018D7840420000000000007332F1227B5901321AF80800FFFF40260000000000006D0CEB');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix7','7822 4817 260 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1','2375708 2375708 2380265 2380524 2380524 2380524 2380524 2380524 2380524 2380524 2380524 2380524 2380524 2380524 2380524 2380524 2380524 2380524 2380524 2380524 2380524 2380524','3423 5117 10120 11184 11775 86237 242937 294878 2366404 2366404 2366404 2366404 2366404 2366404 2366404 2366404 2366404 2366404 2366404 2366404 2366404 2380524',X'170308090308070304040803080801030807040408080401B1F501831C405C40000000000077646800EAD44C0132697000FFFF0300FFFFC0F869E0000000000132696F0132696F0094935E');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix7','1403 1022 82 74 74 55 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1','2594767 2594767 2595707 2595707 2595707 2595708 2595739 2595739 2595739 2595739 2595739 2595739 2595739 2595739 2595739 2595739 2595739 2595739 2595739 2595739 2595739 2595739','3914 5817 11518 12879 13613 98100 278304 342850 2580971 2580971 2580971 2580971 2580971 2580971 2580971 2580971 2580971 2580971 2580971 2580971 2580971 2595739',X'170308090808070303040803080801030807080808080301B648405C400000000000038EAC243F770131A6F700FFFF0E00FFFFC0F869E0000000005C8664');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix7','7901 5298 291 55 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1','3424107 3424107 3429114 3429350 3429404 3429404 3429404 3429404 3429404 3429404 3429404 3429404 3429404 3429404 3429404 3429404 3429404 3429404 3429404 3429404 3429404 3429404','5872 8944 17727 19769 20846 145206 401995 498360 3411279 3411279 3411279 3411279 3411279 3411279 3411279 3411279 3411279 3411279 3411279 3411279 3411279 3429404',X'170308090201070404040803080801030807040808080401C3F9232807405C40000000000000FF559400F2FA440133294600FFFF0300FFFFC0F869E000000000013329460083157B');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix7','7483 5407 230 8 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1','3549446 3549446 3554623 3554845 3554852 3554852 3554852 3554852 3554852 3554852 3554852 3554852 3554852 3554852 3554852 3554852 3554852 3554852 3554852 3554852 3554852 3554852','5932 9041 17921 20139 21264 149060 417718 520064 3536268 3536268 3536268 3536268 3536268 3536268 3536268 3536268 3536268 3536268 3536268 3536268 3536268 3554852',X'170308090201070404040803080801030807040808080401C449232807405C40000000000000FF559400F2FA440133294600FFFF0300FFFFC0F869E000000000013329460083162A');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix7','12076 8365 7981 5546 5546 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1','3558079 3558079 3558079 3558079 3558079 3563624 3563624 3563624 3563624 3563624 3563624 3563624 3563624 3563624 3563624 3563624 3563624 3563624 3563624 3563624 3563624 3563624','5935 9046 17930 20154 21279 149235 418443 521109 3544970 3544970 3544970 3544970 3544970 3544970 3544970 3544970 3544970 3544970 3544970 3544970 3544970 3563624',X'170308080808070303040803080801030107040408080301C44E4074300000000000029EB13BB98E01328EFE00FFFF0E00FFFF0AC0F869E00000000001328F0001328F0071D802');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix7','1123 916 875 875 875 93 22 22 1 1 1 1 1 1 1 1 1 1 1 1 1 1','3892913 3892913 3892913 3892913 3892913 3893531 3893602 3893602 3893609 3893609 3893609 3893609 3893609 3893609 3893609 3893609 3893609 3893609 3893609 3893609 3893609 3893609','6594 10057 19942 22653 23964 165533 468498 587524 3873325 3873325 3873325 3873325 3873325 3873325 3873325 3873325 3873325 3873325 3873325 3873325 3873325 3893609',X'170308080808070403040802080801030107040404080301CA28403F00000000000000832DC71933330132DB8800FC0F00FFFF054050C000000000000132DB870132DB8A4D5E35A2107205');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix7','9344 6359 6022 9 9 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1','4213510 4213510 4213510 4219523 4219523 4219531 4219531 4219531 4219531 4219531 4219531 4219531 4219531 4219531 4219531 4219531 4219531 4219531 4219531 4219531 4219531 4219531','7200 11025 21872 25036 26543 181203 517345 652858 4198057 4198057 4198057 4198057 4198057 4198057 4198057 4198057 4198057 4198057 4198057 4198057 4198057 4219531',X'170308080308070303040803080801030807080808080301CE8C0186A0403F00000000000002C2142F19870131554100FFFF0F00FFFFC0F869E0000000000687F7');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix7','8062 4993 241 53 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1','5037060 5037060 5041812 5042000 5042051 5042052 5042052 5042052 5042052 5042052 5042052 5042052 5042052 5042052 5042052 5042052 5042052 5042052 5042052 5042052 5042052 5042052','10201 15484 30736 35196 37326 231854 654010 829510 5017193 5017193 5017193 5017193 5017193 5017193 5017193 5017193 5017193 5017193 5017193 5017193 5017193 5042052',X'17030809020107030404080308080103080704080808030213B2245407406FE0000000000002C0AA00F6ABA101332A7E00FFFF0300FFFFC0F869E00000000001332A7E5287C0');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix7','9125 5761 264 5 5 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1','5046490 5046490 5051987 5052246 5052246 5052250 5052250 5052250 5052250 5052250 5052250 5052250 5052250 5052250 5052250 5052250 5052250 5052250 5052250 5052250 5052250 5052250','10203 15488 30744 35230 37365 232178 654964 830718 5027358 5027358 5027358 5027358 5027358 5027358 5027358 5027358 5027358 5027358 5027358 5027358 5027358 5052250',X'17030809030807030304080308080103080708080808030213B501831F406FE00000000000029E627136F901328DD500FFFF0300FFFFC0F869E000000000290DD6');
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+  INSERT INTO sqlite_stat4 VALUES('tx1','ix6','11668540 11668540 11668540 211 211 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1','0 0 0 7787150 7787150 7787219 7787219 7787219 7787219 7787219 7787219 7787219 7787219 7787219 7787219 7787219 7787219 7787219 7787219 7787219 7787219 7787219','0 0 0 20027 23602 4837427 5341824 7634169 7750020 7750224 7750224 7750224 7750224 7750224 7750224 7750224 7750224 7750224 7750224 7750224 7750224 7787219',X'17080808030804080303080708090103080704040808030550B30132B73501A79C17C3D840340000000000000F00FFFF40140000000000000132B6D00132B7400D1DB9');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix6','11668540 11668540 11668540 26 26 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1','0 0 0 9085083 9085083 9085088 9085088 9085089 9085089 9085089 9085089 9085089 9085089 9085089 9085089 9085089 9085089 9085089 9085089 9085089 9085089 9085089','0 0 0 24964 29171 5671673 6246216 8904392 9042441 9042684 9042684 9042684 9042684 9042684 9042684 9042684 9042684 9042684 9042684 9042684 9042684 9085089',X'17080808030804080303080708030103080708080808031AA25C0131CA197A6D831B1D84401C00000000000000FFFF0F00FFFFC0F869E00000000071E307');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix6','11668540 11668540 11668540 1261 1261 9 8 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1','0 0 0 10381872 10381872 10382956 10382956 10382959 10382959 10382959 10382959 10382959 10382959 10382959 10382959 10382959 10382959 10382959 10382959 10382959 10382959 10382959','0 0 0 31297 36344 6545140 7198586 10180602 10336983 10337266 10337266 10337266 10337266 10337266 10337266 10337266 10337266 10337266 10337266 10337266 10337266 10382959',X'17080808040804080303080708010101080708080808030095A4C401321BB603010141073C401C000000000000080F0C40308000000000007E55BE');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix6','12287 12287 12287 17 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1','11668540 11668540 11668540 11672111 11672127 11672127 11672127 11672127 11672127 11672127 11672127 11672127 11672127 11672127 11672127 11672127 11672127 11672127 11672127 11672127 11672127 11672127','1 1 1 43128 49243 7431284 8170740 11452355 11624787 11625093 11625093 11625093 11625093 11625093 11625093 11625093 11625093 11625093 11625093 11625093 11625093 11672127',X'1701080803020408040409070803010308070408040804070267C127130133041E00AB540900E64074405C40000000000000FFFF0300FFFFC0F869E0000000000133041E0080000000A3EE16');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','7804279 7173953 7173950 24157 24157 29 29 1 1 1 1','0 0 0 1236590 1236590 1251799 1251799 1251827 1251827 1251827 1251827','0 0 0 3120 4771 71527 72755 1238782 1238782 1238782 1251827',X'0C08080803040308040808031A080400FF5594029BB30131CD372B1368');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','7804279 7173953 7173950 1209 1209 129 129 1 1 1 1','0 0 0 1296873 1296873 1297744 1297744 1297869 1297869 1297869 1297869','0 0 0 3203 4902 74577 75831 1284645 1284645 1284645 1297869',X'0C08080803030308040808041A215F04C9D901B0A30131066F0087162A');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','7804279 7173953 7173950 12129 9261 428 428 1 1 1 1','0 0 0 1790076 1790076 1790076 1790076 1790503 1790503 1790503 1790503','0 0 0 4938 7561 108783 110860 1774402 1774402 1774402 1790503',X'0C08080803030308040808031CE87E029E6B018700013219C1373BA8');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','7804279 7173953 7173950 273 273 5 5 1 1 1 1','0 0 0 2595625 2595625 2595738 2595738 2595739 2595739 2595739 2595739','0 0 0 7863 12132 166423 169877 2575172 2575172 2575172 2595739',X'0C08080803030308040808042F020502DA0E02C73A0133049700A711F8');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','7804279 7173953 7173950 7735 7735 29 29 1 1 1 1','0 0 0 2924165 2924165 2929754 2929754 2929782 2929782 2929782 2929782','0 0 0 9123 14045 191316 195293 2907742 2907742 2907742 2929782',X'0C080808030403080408080333776300FF559475928D013329435A824F');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','7804279 7173953 7173950 360 229 27 27 1 1 1 1','0 0 0 3893374 3893505 3893605 3893605 3893609 3893609 3893609 3893609','0 0 0 13912 21124 273265 278784 3866425 3866425 3866425 3893609',X'0C08080803030308040808044717710E070B01E88F0131A5B80098D0A5');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','7804279 7173953 7173950 683 671 32 32 1 1 1 1','0 0 0 5191447 5191459 5191477 5191477 5191479 5191479 5191479 5191479','0 0 0 20361 30776 381171 389104 5158962 5158962 5158962 5191479',X'0C08080803030308040808037370D10F00290188450132B537354C5E');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','7804279 7173953 7173950 213354 213354 113 113 1 1 1 1','0 0 0 6102233 6102233 6155183 6155183 6155295 6155295 6155295 6155295','0 0 0 26812 39489 472780 483115 6119281 6119281 6119281 6155295',X'0C080808040403080408080300F2FA4400FF5594019B6D01324067714AE8');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','7804279 7173953 7173950 3675 3675 241 241 1 1 1 1','0 0 0 6486701 6486701 6489287 6489287 6489349 6489349 6489349 6489349','0 0 0 28380 41383 502486 513750 6452691 6452691 6452691 6489349',X'0C080808040304080408080300F6ABAC6C967D009F84B60132DBDD155A2A');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','7804279 7173953 7173950 24063 24063 38 38 1 1 1 1','0 0 0 7080911 7080911 7102380 7102380 7102417 7102417 7102417 7102417','0 0 0 35724 49844 582928 595393 7065320 7065320 7065320 7102417',X'0C0808080404040804080803010B0A5C00FF559400CCD3EE0133294559DDCD');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','7804279 7173953 7173950 20284 20284 38 38 1 1 1 1','0 0 0 7107237 7107237 7126606 7126606 7126643 7126643 7126643 7126643','0 0 0 35764 49885 586473 599030 7089546 7089546 7089546 7126643',X'0C0808080404040804080803010B3C6700FF55940114CE73013329432225CC');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','7804279 630326 618063 11855 11855 3 1 1 1 1 1','0 7173953 7173953 7665258 7665258 7672559 7672561 7672561 7672561 7672561 7672561','0 1 2 64320 91213 1077048 1100563 7630436 7630436 7630436 7672561',X'0C080908040403020408080400F2FA4400FF559405DD0A23280132DD75009F3468');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','7804279 630326 618063 4 4 1 1 1 1 1 1','0 7173953 7173953 7787218 7787218 7787219 7787219 7787219 7787219 7787219 7787219','0 1 2 74034 102405 1189484 1215034 7745001 7745001 7745001 7787219',X'0C0809080403040804080803010DDABE0368B700FEBFF60133068F22D1E5');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','7804279 630326 12263 1433 1433 1 1 1 1 1 1','0 7173953 7792016 7797877 7797877 7799309 7799309 7799309 7799309 7799309 7799309','0 1 3 76213 104626 1201397 1227113 7757087 7757087 7757087 7799309',X'0C08090104040408040808030700F2FA4400FF559401C3969E013329461E5052');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','3876548 3718791 3718791 8657 8657 605 605 1 1 1 1','7804279 7804279 7804279 8360485 8360485 8364643 8364643 8365247 8365247 8365247 8365247','1 2 4 77865 106290 1217527 1243460 8321843 8321843 8321843 8365247',X'0C09080803030308040808031AD369021FFC0DC36E01328E2F3D9128');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','3876548 3718791 3718791 33421 33421 57 26 1 1 1 1','7804279 7804279 7804279 8873934 8873934 8891008 8891039 8891064 8891064 8891064 8891064','1 2 4 78914 107340 1231432 1257622 8846644 8846644 8846644 8891064',X'0C090808030403020408080433776300FF55940CE166232801332A1800836DFB');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','3876548 3718791 3718791 2182 2182 94 94 1 1 1 1','7804279 7804279 7804279 9083187 9083187 9085006 9085006 9085089 9085089 9085089 9085089','1 2 4 79307 107733 1237174 1263453 9040316 9040316 9040316 9085089',X'0C09080803030308040808033AC92C021FFC04AF670132B5FC38DBD0');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','3876548 3718791 3718791 6023 6023 50 50 1 1 1 1','7804279 7804279 7804279 9393480 9393480 9395815 9395815 9395864 9395864 9395864 9395864','1 2 4 79973 108402 1245294 1271679 9350536 9350536 9350536 9395864',X'0C09080803030308040808034CDD9A7E1C2301C30D0132908703CC11');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','3876548 3718791 3718791 79 79 6 6 1 1 1 1','7804279 7804279 7804279 10382946 10382946 10382956 10382956 10382959 10382959 10382959 10382959','1 2 4 82501 110947 1276304 1303221 10336296 10336296 10336296 10382959',X'0C090808040303080408080400E9A10A0CC31602A47201332C6C00ABCD60');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','3876548 3718791 3718791 8251 8251 280 280 1 1 1 1','7804279 7804279 7804279 11067468 11067468 11072690 11072690 11072969 11072969 11072969 11072969','1 2 4 85529 113989 1307763 1335183 11025935 11025935 11025935 11072969',X'0C090808040404080408080300FFA4A7008A66AD0089DBDD0132B5FF6AE2B8');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','3876548 3718791 3718791 44772 44772 58 58 1 1 1 1','7804279 7804279 7804279 11268036 11268036 11269261 11269261 11269318 11269318 11269318 11269318','1 2 4 87132 115597 1321101 1348736 11222284 11222284 11222284 11269318',X'0C0908080404030804080804010B0A5C00FF5594018ACD0133294300B0E291');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','3876548 3718791 3718791 53775 53775 37 19 1 1 1 1','7804279 7804279 7804279 11330929 11330929 11355027 11355045 11355063 11355063 11355063 11355063','1 2 4 87335 115800 1327560 1355328 11308029 11308029 11308029 11355063',X'0C0908080404030204080803010BFA8100FF5594026C24232801332B2E1F8BB5');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','3876548 3718791 3718791 39430 39430 39 39 1 1 1 1','7804279 7804279 7804279 11458789 11458789 11476757 11476757 11476795 11476795 11476795 11476795','1 2 4 88502 116970 1340484 1368500 11429761 11429761 11429761 11476795',X'0C09080804040308040808030113B99600FF559402F6AF01332B2E1F8A54');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix5','3876548 157757 157736 5317 5317 1 1 1 1 1 1','7804279 11523070 11523070 11652823 11652823 11658139 11658139 11658139 11658139 11658139 11658139','1 3 5 100045 128561 1480184 1510648 11611105 11611105 11611105 11658139',X'0C0909080404040204080803010BFA8100FF559402594CCB2328013351E85B0F5D');
+} {}
+do_execsql_test whereJ-1.3 {
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','7804279 7173953 7173950 4748 4629 308 1 1 1 1 1','0 0 0 634880 634880 639119 639426 639426 639426 639426 639426','0 0 0 779 907 26900 633919 633920 633920 633920 639426',X'0C0808080308040403080803018C4A00F450A80132671F029EAC271DA5');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','7804279 7173953 7173950 4608 4608 246 1 1 1 1 1','0 0 0 752580 752580 755578 755823 755823 755823 755823 755823','0 0 0 936 1089 31876 749384 749385 749385 749385 755823',X'0C0808080308030403080804018D4F347FD20131547D018A7500936FE2');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','7804279 7173953 7173950 4776 4776 240 1 1 1 1 1','0 0 0 762070 762070 764545 764784 764784 764784 764784 764784','0 0 0 940 1097 32187 758274 758275 758275 758275 764784',X'0C0808080308030403080804018D562E0EAB0131A68F029E9300994D36');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','7804279 7173953 7173950 5910 5910 257 1 1 1 1 1','0 0 0 771353 771353 772646 772902 772902 772902 772902 772902','0 0 0 946 1103 32460 766333 766334 766334 766334 772902',X'0C0808080308030404080803018D611726F40130E13C00822B980302A0');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','7804279 7173953 7173950 1834 1834 46 1 1 1 1 1','0 0 0 1296866 1296866 1297832 1297869 1297869 1297869 1297869 1297869','0 0 0 2621 2842 56932 1287063 1287064 1287064 1287064 1297869',X'0C080808030803040308080301A6E33010BC01317F2005516E3932DB');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','7804279 7173953 7173950 5007 3959 317 1 1 1 1 1','0 0 0 2152400 2152400 2153781 2154097 2154097 2154097 2154097 2154097','0 0 0 5683 6304 111431 2139450 2139457 2139457 2139457 2154097',X'0C080808030803040308080301C3F91E114001315549029F74635F36');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','7804279 7173953 7173950 4768 4609 397 1 1 1 1 1','0 0 0 2200466 2200466 2200700 2201096 2201096 2201096 2201096 2201096','0 0 0 5714 6370 114266 2186220 2186227 2186227 2186227 2201096',X'0C080808030803040308080401C42217887E01312D72036D5B009AF3F8');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','7804279 7173953 7173950 5177 4669 264 1 1 1 1 1','0 0 0 2234078 2234078 2235865 2236128 2236128 2236128 2236128 2236128','0 0 0 5743 6422 116499 2221108 2221115 2221115 2221115 2236128',X'0C080808030803040308080401C4491EF49D013155450D4B200091BFB3');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','7804279 7173953 7173950 7981 5546 272 1 1 1 1 1','0 0 0 2239923 2239923 2242583 2242854 2242854 2242854 2242854 2242854','0 0 0 5746 6428 116800 2227775 2227782 2227782 2227782 2242854',X'0C080808030803040308080301C44E2EFF35013109E67764687E36D6');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','7804279 7173953 7173950 351 336 15 1 1 1 1 1','0 0 0 2595725 2595725 2595725 2595739 2595739 2595739 2595739 2595739','0 0 0 6747 7717 144364 2578697 2578708 2578708 2578708 2595739',X'0C080808030803040308080401CCC91782C20131CC1902D7C0008E7A4F');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','7804279 7173953 7173950 6022 4942 304 1 1 1 1 1','0 0 0 2648510 2648510 2648849 2649152 2649152 2649152 2649152 2649152','0 0 0 6934 7959 149030 2631886 2631900 2631900 2631900 2649152',X'0C080808030803040308080301CE8C17887E01312D6E036D5B424939');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','7804279 7173953 7173950 4752 1965 5 1 1 1 1 1','0 0 0 3161780 3161780 3163740 3163744 3163744 3163744 3163744 3163744','0 0 0 9707 11219 194477 3143873 3143896 3143896 3143896 3163744',X'0C08080803080404030808030213B20116290C01332B9D0270102494C2');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','7804279 7173953 7173950 5497 1880 3 1 1 1 1 1','0 0 0 3167643 3167643 3169520 3169522 3169522 3169522 3169522 3169522','0 0 0 9709 11226 194760 3149632 3149655 3149655 3149655 3169522',X'0C08080803080404040808030213B5010B0A5C0133294500FF55941DCA72');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','7804279 7173953 7173950 2185 2126 134 1 1 1 1 1','0 0 0 3891669 3891669 3893607 3893609 3893609 3893609 3893609 3893609','0 0 0 13596 15952 257364 3869701 3869733 3869733 3869733 3893609',X'0C080808030804040308080302BD5F01010F13013350517B8BF356D913');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','7804279 7173953 7173950 5511 5355 345 1 1 1 1 1','0 0 0 3931849 3931849 3931954 3932298 3932298 3932298 3932298 3932298','0 0 0 13793 16188 260160 3908172 3908206 3908206 3908206 3932298',X'0C080808030803040308080402C14C17887E01312D75036D5B009AF4B1');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','7804279 7173953 7173950 5468 5115 310 1 1 1 1 1','0 0 0 3939090 3939090 3939894 3940203 3940203 3940203 3940203 3940203','0 0 0 13803 16200 260571 3916034 3916068 3916068 3916068 3940203',X'0C080808030803040308080302C164191E7F0131A4FC0606F30CE25A');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','7804279 7173953 7173950 5275 4792 252 1 1 1 1 1','0 0 0 4590216 4590216 4591340 4591591 4591591 4591591 4591591 4591591','0 0 0 17456 20455 315887 4563939 4563981 4563981 4563981 4591591',X'0C0808080308030403080804049EE51EB67B01317C5204C9D900AE08CD');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','7804279 7173953 7173950 339 339 20 1 1 1 1 1','0 0 0 5191257 5191257 5191475 5191479 5191479 5191479 5191479 5191479','0 0 0 20754 24230 366257 5160652 5160701 5160701 5160701 5191479',X'0C08080803080404030808030CEE9300E50D8D013242BE018A755F6BC3');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','7804279 7173953 7173950 13 13 1 1 1 1 1 1','0 0 0 6489337 6489337 6489349 6489349 6489349 6489349 6489349 6489349','0 0 0 29449 33987 481632 6453309 6453378 6453378 6453378 6489349',X'0C08080804080304030808030091B3AB600E9801323F54029F7403EF0C');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','7804279 630326 618063 10 9 1 1 1 1 1 1','0 7173953 7173953 7787217 7787217 7787219 7787219 7787219 7787219 7787219 7787219','0 1 2 74978 85458 1107555 7744920 7744997 7744997 7744997 7787219',X'0C0809080408030403080804014F459B48960801332ADC01C7A600AA1BA3');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','7804279 630326 12263 17 1 1 1 1 1 1 1','0 7173953 7792016 7795570 7795586 7795586 7795586 7795586 7795586 7795586 7795586','0 1 3 78329 89057 1115864 7753287 7753364 7753364 7753364 7795586',X'0C0809010302040404080804070267C1271300E640740133041E00AB540900A3EE16');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','3876548 3718791 3718791 397 397 46 1 1 1 1 1','7804279 7804279 7804279 9084892 9084892 9085088 9085089 9085089 9085089 9085089 9085089','1 2 4 87584 99143 1159195 9040539 9040616 9040616 9040616 9085089',X'0C090808030804040308080301CBAF00E5C288013351810C390F26671E');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','3876548 3718791 3718791 141 141 20 1 1 1 1 1','7804279 7804279 7804279 10382921 10382921 10382951 10382959 10382959 10382959 10382959 10382959','1 2 4 95054 107437 1210217 10336699 10336776 10336776 10336776 10382959',X'0C09080803080304030808030DB5C14114E301332A7E018A751F17C1');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix4','3876548 157757 157736 83 16 1 1 1 1 1 1','7804279 11523070 11523070 11587733 11587800 11587815 11587815 11587815 11587815 11587815 11587815','1 3 5 112412 126326 1332792 11540704 11540781 11540781 11540781 11587815',X'0C090908030204040308080402A9D12328010B92880133517F029E9D008B5B23');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix3','7804279 7173953 213279 213279 213279 213279 376 212 101 1 1','0 0 12394 12394 12394 12394 18421 18421 18421 18424 18424','0 0 3 3 3 3 810 1027 1949 18324 18424',X'0C0808030808080308030403018A75018788178574013265FC611E2A');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix3','7804279 7173953 86515 86515 86515 86515 377 377 377 1 1','0 0 271240 271240 271240 271240 274521 274521 274521 274780 274780','0 0 8 8 8 8 9766 10762 19602 273178 274780',X'0C080803080808030803040401A79C01886F174AEF0132678B00A4AEFF');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix3','7804279 7173953 193482 193482 193482 193482 444 444 444 1 1','0 0 542802 542802 542802 542802 575453 575453 575453 575505 575505','0 0 27 27 27 27 24310 25597 43165 571774 575505',X'0C080803080808030803040401C3EB018CCE55312F013305B700AF487C');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix3','7804279 7173953 126108 126108 126108 126108 200 200 28 1 1','0 0 747801 747801 747801 747801 762121 762121 762293 762320 762320','0 0 33 33 33 33 30770 32410 56629 757315 762320',X'0C080803080808030803040301C7A6018A9D6AB1100131F17D04364A');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix3','7804279 7173953 149712 149712 149712 149712 216 216 5 1 1','0 0 1107747 1107747 1107747 1107747 1147090 1147090 1147301 1147305 1147305','0 0 98 98 98 98 51603 53785 94043 1139967 1147305',X'0C080803080808030803040302172301B84D2E828501317B95651924');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix3','7804279 7173953 87289 87289 87289 87289 27 27 12 1 1','0 0 1257751 1257751 1257751 1257751 1297850 1297850 1297865 1297869 1297869','0 0 100 100 100 100 57625 60123 107069 1289807 1297869',X'0C0808030808080308040403021FFC02554D00E643C7013242692A9BBC');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix3','7804279 7173953 192597 192597 192597 192597 291 291 3 1 1','0 0 1464077 1464077 1464077 1464077 1512946 1512946 1513234 1513236 1513236','0 0 134 134 134 134 67476 70262 123260 1502886 1513236',X'0C0808030808080308040404029E6201B94000F8341701330419008B74DA');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix3','7804279 7173953 196917 196917 196917 196917 326 326 12 1 1','0 0 1677739 1677739 1677739 1677739 1797333 1797333 1797647 1797658 1797658','0 0 136 136 136 136 76717 80026 143308 1785522 1797658',X'0C0808030808080308040404029E6802B7DC0108ACBA0132DD7B0087795F');
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+  INSERT INTO sqlite_stat4 VALUES('tx1','ix1','3876548 3718791 79 79 79 79 79 1 1 1 1','7804279 7804279 10382946 10382946 10382946 10382946 10382946 10382959 10382959 10382959 10382959','1 2 80421 82501 82501 82501 110947 5821380 10258569 10336296 10382959',X'0C090804080808030403080300E9A10A0CC3160133505F0D25365733C6');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix1','3876548 3718791 8251 8251 8251 8251 8251 37 1 1 1','7804279 7804279 11067468 11067468 11067468 11067468 11067468 11068084 11068120 11068120 11068120','1 2 83449 85529 85529 85529 113989 6177561 10936213 11021086 11068120',X'0C090804080808040404080400FFA4A7008A66AD01332AD10170A8B10084054A');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix1','3876548 3718791 44772 44772 44772 44772 44772 3018 1 1 1','7804279 7804279 11268036 11268036 11268036 11268036 11268036 11282829 11285846 11285846 11285846','1 2 85052 87132 87132 87132 115597 6281979 11151347 11238812 11285846',X'0C0908040808080404040804010B0A5C00FF5594013351720249087400B0523C');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix1','3876548 3718791 53775 53775 53775 53775 53775 4069 1 1 1','7804279 7804279 11330929 11330929 11330929 11330929 11330929 11359035 11363103 11363103 11363103','1 2 85255 87335 87335 87335 115800 6292285 11227544 11316069 11363103',X'0C0908040808080404040804010BFA8100FF5594013351280252F8A000B01818');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix1','3876548 3718791 39430 39430 39430 39430 39430 3018 1 1 1','7804279 7804279 11458789 11458789 11458789 11458789 11458789 11468188 11471205 11471205 11471205','1 2 86422 88502 88502 88502 116970 6333877 11333316 11424171 11471205',X'0C09080408080804040408040113B99600FF559401335174024530C4008AC82C');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix1','3876548 157757 5317 5317 5317 5317 5317 12 1 1 1','7804279 11523070 11652844 11652844 11652844 11652844 11652844 11658149 11658160 11658160 11658160','1 3 97969 100051 100051 100051 128567 6429914 11517744 11611126 11658160',X'0C0909040808080404040804010BFA8100FF559401332B2E01521E0B008447F4');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','7804279 7173953 24157 29 29 29 29 29 1 1 1','0 0 1236590 1251799 1251799 1251799 1251799 1251799 1251827 1251827 1251827','0 0 3120 62451 63798 63798 63798 63798 1238772 1238782 1251827',X'0C08080303080808080404031A0804029BB30131CD3700FF55942B1368');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','7804279 7173953 1209 129 129 129 129 129 1 1 1','0 0 1296873 1297744 1297744 1297744 1297744 1297744 1297869 1297869 1297869','0 0 3203 65280 66657 66657 66657 66657 1284635 1284645 1297869',X'0C08080303080808080403041A215F01B0A30131066F04C9D90087162A');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','7804279 7173953 12129 604 604 604 604 604 1 1 1','0 0 1790076 1790076 1790076 1790076 1790076 1790076 1790679 1790679 1790679','0 0 4938 95334 97612 97612 97612 97612 1774566 1774578 1790679',X'0C08080303080808080403031CE87E01870001317C4D0CED622FE2E8');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','7804279 7173953 273 5 5 5 5 5 1 1 1','0 0 2595625 2595738 2595738 2595738 2595738 2595738 2595739 2595739 2595739','0 0 7863 145612 149427 149427 149427 149427 2575145 2575172 2595739',X'0C08080303080808080403042F020502C73A0133049702DA0E00A711F8');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','7804279 7173953 7735 29 29 29 29 29 1 1 1','0 0 2924165 2929754 2929754 2929754 2929754 2929754 2929782 2929782 2929782','0 0 9123 167852 172269 172269 172269 172269 2907715 2907742 2929782',X'0C080803030808080804040333776375928D0133294300FF55945A824F');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','7804279 7173953 360 6 6 6 6 6 1 1 1','0 0 3893374 3893607 3893607 3893607 3893607 3893607 3893609 3893609 3893609','0 0 13912 240908 247109 247109 247109 247109 3866384 3866425 3893609',X'0C080803030808080804030347177104AF8701317D220E070B687905');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','7804279 7173953 683 32 32 32 32 32 2 2 1','0 0 5191447 5191465 5191465 5191465 5191465 5191465 5191479 5191479 5191479','0 0 20361 336764 345696 345696 345696 345696 5158907 5158962 5191479',X'0C08080303080808080403037370D101884501328F690F002900A69C');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','7804279 7173953 213354 113 113 113 113 113 1 1 1','0 0 6102233 6155183 6155183 6155183 6155183 6155183 6155295 6155295 6155295','0 0 26812 421693 433202 433202 433202 433202 6119212 6119281 6155295',X'0C080804030808080804040300F2FA44019B6D0132406700FF5594714AE8');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','7804279 7173953 3675 241 241 241 241 241 1 1 1','0 0 6486701 6489287 6489287 6489287 6489287 6489287 6489349 6489349 6489349','0 0 28380 450494 462953 462953 462953 462953 6452616 6452691 6489349',X'0C080804040808080804030300F6ABAC009F84B60132DBDD6C967D155A2A');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','7804279 7173953 24063 38 38 38 38 38 1 1 1','0 0 7080914 7102383 7102383 7102383 7102383 7102383 7102420 7102420 7102420','0 0 35724 528136 541855 541858 541858 541858 7065247 7065323 7102420',X'0C0808040408080808040403010B0A5C00CCD3EE0133294500FF559459DDCD');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','7804279 7173953 20284 38 38 38 38 38 1 1 1','0 0 7107240 7126609 7126609 7126609 7126609 7126609 7126646 7126646 7126646','0 0 35764 531673 545484 545487 545487 545487 7089473 7089549 7126646',X'0C0808040408080808040403010B3C670114CE730133294300FF55942225CC');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','7804279 630326 13288 5 1 1 1 1 1 1 1','0 7173953 7671119 7675167 7675171 7675171 7675171 7675171 7675171 7675171 7675171','0 1 64320 967583 993386 999414 999414 999414 7632969 7633046 7675171',X'0C080904030308080804040400F2FA4401D16F0183350132DEFE00FF5594009FA501');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','7804279 630326 61 1 1 1 1 1 1 1 1','0 7173953 7787172 7787219 7787219 7787219 7787219 7787219 7787219 7787219 7787219','0 1 73272 1068631 1096442 1107608 1107608 1107608 7744925 7745002 7787219',X'0C0809040408080808040304010ABA9100AA4C1F013351DB0DD242008BFFEF');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','3876548 3718791 8657 605 605 605 605 605 1 1 1','7804279 7804279 8360485 8364643 8364643 8364643 8364643 8364643 8365247 8365247 8365247','1 2 75785 1096159 1124446 1135923 1135923 1135923 8321766 8321843 8365247',X'0C09080303080808080403031AD3690DC36E01328E2F021FFC3D9128');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','3876548 3718791 33421 57 26 26 26 26 1 1 1','7804279 7804279 8873934 8891008 8891039 8891039 8891039 8891039 8891064 8891064 8891064','1 2 76834 1110063 1138607 1150084 1150084 1150084 8846567 8846644 8891064',X'0C09080303020808080404043377630CE166232801332A1800FF559400836DFB');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','3876548 3718791 2182 94 94 94 94 94 1 1 1','7804279 7804279 9083187 9085006 9085006 9085006 9085006 9085006 9085089 9085089 9085089','1 2 77227 1115805 1144438 1155915 1155915 1155915 9040239 9040316 9085089',X'0C09080303080808080403033AC92C04AF670132B5FC021FFC38DBD0');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','3876548 3718791 6008 277 277 277 277 277 1 1 1','7804279 7804279 9124662 9124662 9124662 9124662 9124662 9124662 9124938 9124938 9124938','1 2 77300 1116652 1145304 1156781 1156781 1156781 9080000 9080077 9124938',X'0C09080303080808080404033C1C5C01B49901328DDA00F024883D6052');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','3876548 3718791 6023 50 50 50 50 50 1 1 1','7804279 7804279 9393480 9395815 9395815 9395815 9395815 9395815 9395864 9395864 9395864','1 2 77893 1123924 1152663 1164140 1164140 1164140 9350459 9350536 9395864',X'0C09080303080808080403034CDD9A01C30D013290877E1C2303CC11');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','3876548 3718791 79 6 6 6 6 6 1 1 1','7804279 7804279 10382946 10382956 10382956 10382956 10382956 10382956 10382959 10382959 10382959','1 2 80421 1154920 1184197 1195674 1195674 1195674 10336219 10336296 10382959',X'0C090804030808080804030400E9A10A02A47201332C6C0CC31600ABCD60');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','3876548 3718791 8251 280 280 280 280 280 1 1 1','7804279 7804279 11067468 11072690 11072690 11072690 11072690 11072690 11072969 11072969 11072969','1 2 83449 1186373 1216159 1227636 1227636 1227636 11025858 11025935 11072969',X'0C090804040808080804040300FFA4A70089DBDD0132B5FF008A66AD6AE2B8');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','3876548 3718791 44772 58 58 58 58 58 1 1 1','7804279 7804279 11268036 11269261 11269261 11269261 11269261 11269261 11269318 11269318 11269318','1 2 85052 1199706 1229712 1241189 1241189 1241189 11222207 11222284 11269318',X'0C0908040308080808040404010B0A5C018ACD0133294300FF559400B0E291');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','3876548 3718791 53775 37 19 19 19 19 1 1 1','7804279 7804279 11330929 11355027 11355045 11355045 11355045 11355045 11355063 11355063 11355063','1 2 85255 1206165 1236304 1247781 1247781 1247781 11307952 11308029 11355063',X'0C0908040302080808040403010BFA81026C24232801332B2E00FF55941F8BB5');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','3876548 3718791 39430 39 39 39 39 39 1 1 1','7804279 7804279 11458789 11476757 11476757 11476757 11476757 11476757 11476795 11476795 11476795','1 2 86422 1219089 1249476 1260953 1260953 1260953 11429684 11429761 11476795',X'0C09080403080808080404030113B99602F6AF01332B2E00FF55941F8A54');
+  INSERT INTO sqlite_stat4 VALUES('tx1','ix0','3876548 157757 5317 1 1 1 1 1 1 1 1','7804279 11523070 11652844 11658160 11658160 11658160 11658160 11658160 11658160 11658160 11658160','1 3 97969 1358780 1391643 1403122 1403122 1403122 11611049 11611126 11658160',X'0C0909040402080808040403010BFA8102594CCB2328013351E800FF55945B0F5D');
+  ANALYZE sqlite_master;
+} {}
+
+# Ensure that the query planner implements the GROUP BY using a separate sort
+#
+do_execsql_test whereJ-1.4 {
+  EXPLAIN QUERY PLAN
+  SELECT aid, sid, MAX(edate) edate
+    FROM tx1
+   WHERE cid = 115790
+     AND sid = 9100
+     AND edate <= 20140430 AND edate >= 20120429
+   GROUP BY aid;
+} {/B-TREE/}
+
+finish_test

test/win32lock.test

@@ -24,7 +24,7 @@ db close
 sqlite3_shutdown
 test_sqlite3_log xLog
 proc xLog {error_code msg} {
-  lappend ::log $msg 
+  lappend ::log $msg
 }
 sqlite3 db test.db
 db eval {PRAGMA mmap_size=0}
@@ -128,7 +128,53 @@ while {1} {
 file_control_win32_av_retry db 10 25
 sqlite3_test_control_pending_byte $old_pending_byte
 db close
+forcedelete test.db
+
+sqlite3 db test.db
+sqlite3 db2 test.db
+
+do_test win32lock-3.0 {
+  db eval {
+    CREATE TABLE t1(x);
+    INSERT INTO t1 VALUES(1);
+    INSERT INTO t1 VALUES(2);
+    INSERT INTO t1 VALUES(3);
+  }
+} {}
+
+do_test win32lock-3.1 {
+  db eval {
+    BEGIN EXCLUSIVE;
+    INSERT INTO t1 VALUES(4);
+  }
+} {}
+
+do_test win32lock-3.2 {
+  catchsql {
+    BEGIN EXCLUSIVE;
+    INSERT INTO t1 VALUES(5);
+    COMMIT;
+  } db2
+} {1 {database is locked}}
+
+do_test win32lock-3.3 {
+  db eval {
+    COMMIT;
+  }
+} {}
+
+do_test win32lock-3.4 {
+  set handle [lindex [file_control_win32_set_handle db 0] end]
+  list [catchsql {
+    BEGIN EXCLUSIVE;
+    INSERT INTO t1 VALUES(6);
+    COMMIT;
+  }] [file_control_win32_set_handle db $handle] [sqlite3_extended_errcode db]
+} {{1 {disk I/O error}} {0 0} SQLITE_IOERR_LOCK}
+
+db2 close
+db close
 sqlite3_shutdown
-test_sqlite3_log 
+test_sqlite3_log
 sqlite3_initialize
 finish_test

tool/lemon.c

@@ -1183,8 +1183,7 @@ static int resolve_conflict(
       apx->type = SH_RESOLVED;
     }else{
       assert( spx->prec==spy->prec && spx->assoc==NONE );
-      apy->type = SRCONFLICT;
-      errcnt++;
+      apx->type = ERROR;
     }
   }else if( apx->type==REDUCE && apy->type==REDUCE ){
     spx = apx->x.rp->precsym;

tool/mkkeywordhash.c

@@ -370,7 +370,7 @@ int main(int argc, char **argv){
     Keyword *p = &aKeywordTable[i];
     p->len = (int)strlen(p->zName);
     assert( p->len<sizeof(p->zOrigName) );
-    strcpy(p->zOrigName, p->zName);
+    memcpy(p->zOrigName, p->zName, p->len+1);
     totalLen += p->len;
     p->hash = (UpperToLower[(int)p->zName[0]]*4) ^
               (UpperToLower[(int)p->zName[p->len-1]]*3) ^ p->len;

tool/showdb.c

@@ -129,6 +129,7 @@ static void print_page(int iPg){
   free(aData);
 }
 
+
 /* Print a line of decode output showing a 4-byte integer.
 */
 static void print_decode_line(
@@ -341,6 +342,179 @@ static int describeCell(
   return nLocal+n;
 }
 
+/* Print an offset followed by nByte bytes.  Add extra white-space
+** at the end so that subsequent text is aligned.
+*/
+static void printBytes(
+  unsigned char *aData,      /* Content being decoded */
+  unsigned char *aStart,     /* Start of content to be printed */
+  int nByte                  /* Number of bytes to print */
+){
+  int j;
+  printf(" %03x: ", (int)(aStart-aData));
+  for(j=0; j<9; j++){
+    if( j>=nByte ){
+      printf("   ");
+    }else{
+      printf("%02x ", aStart[j]);
+    }
+  }
+}
+
+
+/*
+** Write a full decode on stdout for the cell at a[ofst].
+** Assume the page contains a header of size szPgHdr bytes.
+*/
+static void decodeCell(
+  unsigned char *a,       /* Page content (without the page-1 header) */
+  unsigned pgno,          /* Page number */
+  int iCell,              /* Cell index */
+  int szPgHdr,            /* Size of the page header.  0 or 100 */
+  int ofst                /* Cell begins at a[ofst] */
+){
+  int i, j, k;
+  int leftChild;
+  i64 nPayload;
+  i64 rowid;
+  i64 nHdr;
+  i64 iType;
+  int nLocal;
+  unsigned char *x = a + ofst;
+  unsigned char *end;
+  unsigned char cType = a[0];
+  int nCol = 0;
+  int szCol[2000];
+  int ofstCol[2000];
+  int typeCol[2000];
+
+  printf("Cell[%d]:\n", iCell);
+  if( cType<=5 ){
+    leftChild = ((x[0]*256 + x[1])*256 + x[2])*256 + x[3];
+    printBytes(a, x, 4);
+    printf("left child page:: %d\n", leftChild);
+    x += 4;
+  }
+  if( cType!=5 ){
+    i = decodeVarint(x, &nPayload);
+    printBytes(a, x, i);
+    nLocal = localPayload(nPayload, cType);
+    if( nLocal==nPayload ){
+      printf("payload-size: %d\n", (int)nPayload);
+    }else{
+      printf("payload-size: %d (%d local, %d overflow)\n",
+             (int)nPayload, nLocal, (int)(nPayload-nLocal));
+    }
+    x += i;
+  }else{
+    nPayload = nLocal = 0;
+  }
+  end = x + nLocal;
+  if( cType==5 || cType==13 ){
+    i = decodeVarint(x, &rowid);
+    printBytes(a, x, i);
+    printf("rowid: %lld\n", rowid);
+    x += i;
+  }
+  if( nLocal>0 ){
+    i = decodeVarint(x, &nHdr);
+    printBytes(a, x, i);
+    printf("record-header-size: %d\n", (int)nHdr);
+    j = i;
+    nCol = 0;
+    k = nHdr;
+    while( x+j<end && j<nHdr ){
+       const char *zTypeName;
+       int sz = 0;
+       char zNm[30];
+       i = decodeVarint(x+j, &iType);
+       printBytes(a, x+j, i);
+       printf("typecode[%d]: %d - ", nCol, (int)iType);
+       switch( iType ){
+         case 0:  zTypeName = "NULL";    sz = 0;  break;
+         case 1:  zTypeName = "int8";    sz = 1;  break;
+         case 2:  zTypeName = "int16";   sz = 2;  break;
+         case 3:  zTypeName = "int24";   sz = 3;  break;
+         case 4:  zTypeName = "int32";   sz = 4;  break;
+         case 5:  zTypeName = "int48";   sz = 6;  break;
+         case 6:  zTypeName = "int64";   sz = 8;  break;
+         case 7:  zTypeName = "double";  sz = 8;  break;
+         case 8:  zTypeName = "zero";    sz = 0;  break;
+         case 9:  zTypeName = "one";     sz = 0;  break;
+         case 10:
+         case 11: zTypeName = "error";   sz = 0;  break;
+         default: {
+           sz = (int)(iType-12)/2;
+           sprintf(zNm, (iType&1)==0 ? "blob(%d)" : "text(%d)", sz);
+           zTypeName = zNm;
+           break;
+         }
+       }
+       printf("%s\n", zTypeName);
+       szCol[nCol] = sz;
+       ofstCol[nCol] = k;
+       typeCol[nCol] = (int)iType;
+       k += sz;
+       nCol++;
+       j += i;
+    }
+    for(i=0; i<nCol && ofstCol[i]+szCol[i]<=nLocal; i++){
+       int s = ofstCol[i];
+       i64 v;
+       const unsigned char *pData;
+       if( szCol[i]==0 ) continue;
+       printBytes(a, x+s, szCol[i]);
+       printf("data[%d]: ", i);
+       pData = x+s;
+       if( typeCol[i]<=7 ){
+         v = (signed char)pData[0];
+         for(k=1; k<szCol[i]; k++){
+           v = (v<<8) + pData[k];
+         }
+         if( typeCol[i]==7 ){
+           double r;
+           memcpy(&r, &v, sizeof(r));
+           printf("%#g\n", r);
+         }else{
+           printf("%lld\n", v);
+         }
+       }else{
+         int ii, jj;
+         char zConst[32];
+         if( (typeCol[i]&1)==0 ){
+           zConst[0] = 'x';
+           zConst[1] = '\'';
+           for(ii=2, jj=0; jj<szCol[i] && ii<24; jj++, ii+=2){
+             sprintf(zConst+ii, "%02x", pData[jj]);
+           }
+         }else{
+           zConst[0] = '\'';
+           for(ii=1, jj=0; jj<szCol[i] && ii<24; jj++, ii++){
+             zConst[ii] = isprint(pData[jj]) ? pData[jj] : '.';
+           }
+           zConst[ii] = 0;
+         }
+         if( jj<szCol[i] ){
+           memcpy(zConst+ii, "...'", 5);
+         }else{
+           memcpy(zConst+ii, "'", 2);
+         }
+         printf("%s\n", zConst);
+       }
+       j = ofstCol[i] + szCol[i];
+    }
+  }
+  if( j<nLocal ){
+    printBytes(a, x+j, 0);
+    printf("... %d bytes of content ...\n", nLocal-j);
+  }
+  if( nLocal<nPayload ){
+    printBytes(a, x+nLocal, 4);
+    printf("overflow-page: %d\n", decodeInt32(x+nLocal));
+  }
+}
+
+
 /*
 ** Decode a btree page
 */
@@ -356,6 +530,7 @@ static void decode_btree_page(
   int iCellPtr;
   int showCellContent = 0;
   int showMap = 0;
+  int cellToDecode = -2;
   char *zMap = 0;
   switch( a[0] ){
     case 2:  zType = "index interior node";  break;
@@ -367,23 +542,37 @@ static void decode_btree_page(
     switch( zArgs[0] ){
       case 'c': showCellContent = 1;  break;
       case 'm': showMap = 1;          break;
+      case 'd': {
+        if( !isdigit(zArgs[1]) ){
+          cellToDecode = -1;
+        }else{
+          cellToDecode = 0;
+          while( isdigit(zArgs[1]) ){
+            zArgs++;
+            cellToDecode = cellToDecode*10 + zArgs[0] - '0';
+          }
+        }
+        break;
+      }
     }
     zArgs++;
   }
-  printf("Decode of btree page %d:\n", pgno);
+  nCell = a[3]*256 + a[4];
+  iCellPtr = (a[0]==2 || a[0]==5) ? 12 : 8;
+  if( cellToDecode>=nCell ){
+    printf("Page %d has only %d cells\n", pgno, nCell);
+    return;
+  }
+  printf("Header on btree page %d:\n", pgno);
   print_decode_line(a, 0, 1, zType);
   print_decode_line(a, 1, 2, "Offset to first freeblock");
   print_decode_line(a, 3, 2, "Number of cells on this page");
-  nCell = a[3]*256 + a[4];
   print_decode_line(a, 5, 2, "Offset to cell content area");
   print_decode_line(a, 7, 1, "Fragmented byte count");
   if( a[0]==2 || a[0]==5 ){
     print_decode_line(a, 8, 4, "Right child");
-    iCellPtr = 12;
-  }else{
-    iCellPtr = 8;
   }
-  if( nCell>0 ){
+  if( cellToDecode==(-2) && nCell>0 ){
     printf(" key: lx=left-child n=payload-size r=rowid\n");
   }
   if( showMap ){
@@ -409,14 +598,19 @@ static void decode_btree_page(
       j = strlen(zBuf);
       if( j<=n-2 ) memcpy(&zMap[cofst+1], zBuf, j);
     }
-    printf(" %03x: cell[%d] %s\n", cofst, i, zDesc);
+    if( cellToDecode==(-2) ){
+      printf(" %03x: cell[%d] %s\n", cofst, i, zDesc);
+    }else if( cellToDecode==(-1) || cellToDecode==i ){
+      decodeCell(a, pgno, i, hdrSize, cofst-hdrSize);
+    }
   }
   if( showMap ){
+    printf("Page map:  (H=header P=cell-index 1=page-1-header .=free-space)\n");
     for(i=0; i<pagesize; i+=64){
       printf(" %03x: %.64s\n", i, &zMap[i]);
     }
     free(zMap);
-  }  
+  }
 }
 
 /*
@@ -757,6 +951,7 @@ static void usage(const char *argv0){
     "    NNNb            Decode btree page NNN\n"
     "    NNNbc           Decode btree page NNN and show content\n"
     "    NNNbm           Decode btree page NNN and show a layout map\n"
+    "    NNNbdCCC        Decode cell CCC on btree page NNN\n"
     "    NNNt            Decode freelist trunk page NNN\n"
     "    NNNtd           Show leaf freelist pages on the decode\n"
     "    NNNtr           Recurisvely decode freelist starting at NNN\n"

tool/showstat4.c

@@ -0,0 +1,157 @@
+/*
+** This utility program decodes and displays the content of the
+** sqlite_stat4 table in the database file named on the command
+** line.
+*/
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include "sqlite3.h"
+
+typedef sqlite3_int64 i64;   /* 64-bit signed integer type */
+
+
+/*
+** Convert the var-int format into i64.  Return the number of bytes
+** in the var-int.  Write the var-int value into *pVal.
+*/
+static int decodeVarint(const unsigned char *z, i64 *pVal){
+  i64 v = 0;
+  int i;
+  for(i=0; i<8; i++){
+    v = (v<<7) + (z[i]&0x7f);
+    if( (z[i]&0x80)==0 ){ *pVal = v; return i+1; }
+  }
+  v = (v<<8) + (z[i]&0xff);
+  *pVal = v;
+  return 9;
+}
+
+
+
+int main(int argc, char **argv){
+  sqlite3 *db;
+  sqlite3_stmt *pStmt;
+  char *zIdx = 0;
+  int rc, j, x, y, mxHdr;
+  const unsigned char *aSample;
+  int nSample;
+  i64 iVal;
+  const char *zSep;
+
+  if( argc!=2 ){
+    fprintf(stderr, "Usage: %s DATABASE-FILE\n", argv[0]);
+    exit(1);
+  }
+  rc = sqlite3_open(argv[1], &db);
+  if( rc!=SQLITE_OK || db==0 ){
+    fprintf(stderr, "Cannot open database file [%s]\n", argv[1]);
+    exit(1);
+  }
+  rc = sqlite3_prepare_v2(db,
+        "SELECT tbl||'.'||idx, nEq, nLT, nDLt, sample "
+        "FROM sqlite_stat4 ORDER BY 1", -1,
+        &pStmt, 0);
+  if( rc!=SQLITE_OK || pStmt==0 ){
+    fprintf(stderr, "%s\n", sqlite3_errmsg(db));
+    sqlite3_close(db);
+    exit(1);
+  }
+  while( SQLITE_ROW==sqlite3_step(pStmt) ){
+    if( zIdx==0 || strcmp(zIdx, (const char*)sqlite3_column_text(pStmt,0))!=0 ){
+      if( zIdx ) printf("\n");
+      sqlite3_free(zIdx);
+      zIdx = sqlite3_mprintf("%s", sqlite3_column_text(pStmt,0));
+      printf("%s:\n", zIdx);
+    }else{
+      printf("  -----------------------------------------------------------\n");
+    }
+    printf("  nEq    = %s\n", sqlite3_column_text(pStmt,1));
+    printf("  nLt    = %s\n", sqlite3_column_text(pStmt,2));
+    printf("  nDLt   = %s\n", sqlite3_column_text(pStmt,3));
+    printf("  sample = x'");
+    aSample = sqlite3_column_blob(pStmt,4);
+    nSample = sqlite3_column_bytes(pStmt,4);
+    for(j=0; j<nSample; j++) printf("%02x", aSample[j]);
+    printf("'\n          ");
+    zSep = " ";
+    x = decodeVarint(aSample, &iVal);
+    if( iVal<x || iVal>nSample ){
+      printf(" <error>\n");
+      continue;
+    }
+    y = mxHdr = (int)iVal;
+    while( x<mxHdr ){
+      int sz;
+      i64 v;
+      x += decodeVarint(aSample+x, &iVal);
+      if( x>mxHdr ) break;
+      if( iVal<0 ) break;
+      switch( iVal ){
+        case 0:  sz = 0;  break;
+        case 1:  sz = 1;  break;
+        case 2:  sz = 2;  break;
+        case 3:  sz = 3;  break;
+        case 4:  sz = 4;  break;
+        case 5:  sz = 6;  break;
+        case 6:  sz = 8;  break;
+        case 7:  sz = 8;  break;
+        case 8:  sz = 0;  break;
+        case 9:  sz = 0;  break;
+        case 10:
+        case 11: sz = 0;  break;
+        default: sz = (int)(iVal-12)/2;  break;
+      }
+      if( y+sz>nSample ) break;
+      if( iVal==0 ){
+        printf("%sNULL", zSep);
+      }else if( iVal==8 || iVal==9 ){
+        printf("%s%d", zSep, ((int)iVal)-8);
+      }else if( iVal<=7 ){
+        v = (signed char)aSample[y];
+        for(j=1; j<sz; j++){
+          v = (v<<8) + aSample[y+j];
+        }
+        if( iVal==7 ){
+          double r;
+          memcpy(&r, &v, sizeof(r));
+          printf("%s%#g", zSep, r);
+        }else{
+          printf("%s%lld", zSep, v);
+        }
+      }else if( (iVal&1)==0 ){
+        printf("%sx'", zSep);
+        for(j=0; j<sz; j++){
+          printf("%02x", aSample[y+j]);
+        }
+        printf("'");
+      }else{
+        printf("%s\"", zSep);
+        for(j=0; j<sz; j++){
+          char c = (char)aSample[y+j];
+          if( isprint(c) ){
+            if( c=='"' || c=='\\' ) putchar('\\');
+            putchar(c);
+          }else if( c=='\n' ){
+            printf("\\n");
+          }else if( c=='\t' ){
+            printf("\\t");
+          }else if( c=='\r' ){
+            printf("\\r");
+          }else{
+            printf("\\%03o", c);
+          }
+        }
+        printf("\"");
+      }
+      zSep = ",";
+      y += sz;
+    }
+    printf("\n");
+  }
+  sqlite3_free(zIdx);
+  sqlite3_finalize(pStmt);
+  sqlite3_close(db);
+  return 0;
+}

tool/warnings.sh

@@ -4,7 +4,7 @@
 # compiler warnings in SQLite.
 #
 rm -f sqlite3.c
-make sqlite3.c-debug
+make sqlite3.c
 echo '********** No optimizations.  Includes FTS4 and RTREE *********'
 gcc -c -Wshadow -Wall -Wextra -pedantic-errors -Wno-long-long -std=c89 \
       -ansi -DHAVE_STDINT_H -DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_RTREE \