Version 3.32.2

FossilOrigin-Name: ec02243ea6ce33b090870ae55ab8aa2534b54d216d45c4aa2fdbb00e86861e8c
Fix for ticket [810dc8038872e212].
2020-06-04 12:58:43 +00:00 · 2020-06-03 22:57:15 +00:00 · 2020-06-03 22:47:05 +00:00 · 2020-05-25 16:19:56 +00:00 · 2020-05-25 15:41:03 +00:00 · 2020-05-25 15:19:52 +00:00
60 changed files with 967 additions and 287 deletions
@@ -619,6 +619,7 @@ FUZZCHECK_OPT += -DSQLITE_MAX_MEMORY=50000000
 FUZZCHECK_OPT += -DSQLITE_PRINTF_PRECISION_LIMIT=1000
 FUZZCHECK_OPT += -DSQLITE_ENABLE_DESERIALIZE
 FUZZCHECK_OPT += -DSQLITE_ENABLE_FTS4
+FUZZCHECK_OPT += -DSQLITE_ENABLE_FTS3_PARENTHESIS
 #FUZZCHECK_OPT += -DSQLITE_ENABLE_FTS5
 FUZZCHECK_OPT += -DSQLITE_ENABLE_RTREE
 FUZZCHECK_OPT += -DSQLITE_ENABLE_GEOPOLY
@@ -234,6 +234,15 @@ OSTRACE = 0
 DEBUG = 0
 !ENDIF

+# <<mark>>
+# Disable use of the --linemacros argument to the mksqlite3c.tcl tool, which
+# is used to build the amalgamation.
+#
+!IFNDEF NO_LINEMACROS
+NO_LINEMACROS = 0
+!ENDIF
+# <</mark>>
+
 # Enable use of available compiler optimizations?  Normally, this should be
 # non-zero.  Setting this to zero, thus disabling all compiler optimizations,
 # can be useful for testing.
@@ -776,7 +785,7 @@ MKSQLITE3C_TOOL = $(TOP)\tool\mksqlite3c.tcl
 !ENDIF

 !IFNDEF MKSQLITE3C_ARGS
-!IF $(DEBUG)>1
+!IF $(DEBUG)>1 && $(NO_LINEMACROS)==0
 MKSQLITE3C_ARGS = --linemacros
 !ELSE
 MKSQLITE3C_ARGS =
@@ -1247,7 +1256,8 @@ LIBOBJS0 = vdbe.lo parse.lo alter.lo analyze.lo attach.lo auth.lo \
         table.lo threads.lo tokenize.lo treeview.lo trigger.lo \
         update.lo upsert.lo util.lo vacuum.lo \
         vdbeapi.lo vdbeaux.lo vdbeblob.lo vdbemem.lo vdbesort.lo \
-         vdbetrace.lo wal.lo walker.lo where.lo wherecode.lo whereexpr.lo \
+         vdbetrace.lo vdbevtab.lo wal.lo walker.lo where.lo wherecode.lo \
+         whereexpr.lo \
         window.lo utf.lo vtab.lo
 # <</mark>>

@@ -1 +1 @@
-3.32.0
+3.32.2
@@ -196,6 +196,7 @@ OSTRACE = 0
 DEBUG = 0
 !ENDIF

+
 # Enable use of available compiler optimizations?  Normally, this should be
 # non-zero.  Setting this to zero, thus disabling all compiler optimizations,
 # can be useful for testing.
@@ -288,6 +289,7 @@ OPT_FEATURE_FLAGS = $(OPT_FEATURE_FLAGS) -DSQLITE_ENABLE_JSON1=1
 OPT_FEATURE_FLAGS = $(OPT_FEATURE_FLAGS) -DSQLITE_ENABLE_STMTVTAB=1
 OPT_FEATURE_FLAGS = $(OPT_FEATURE_FLAGS) -DSQLITE_ENABLE_DBPAGE_VTAB=1
 OPT_FEATURE_FLAGS = $(OPT_FEATURE_FLAGS) -DSQLITE_ENABLE_DBSTAT_VTAB=1
+OPT_FEATURE_FLAGS = $(OPT_FEATURE_FLAGS) -DSQLITE_ENABLE_BYTECODE_VTAB=1
 OPT_FEATURE_FLAGS = $(OPT_FEATURE_FLAGS) -DSQLITE_ENABLE_DESERIALIZE=1
 !ENDIF
 OPT_FEATURE_FLAGS = $(OPT_FEATURE_FLAGS) -DSQLITE_ENABLE_COLUMN_METADATA=1
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for sqlite 3.32.0.
+# Generated by GNU Autoconf 2.69 for sqlite 3.32.2.
 #
 #
 # Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
@@ -726,8 +726,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='sqlite'
 PACKAGE_TARNAME='sqlite'
-PACKAGE_VERSION='3.32.0'
-PACKAGE_STRING='sqlite 3.32.0'
+PACKAGE_VERSION='3.32.2'
+PACKAGE_STRING='sqlite 3.32.2'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''

@@ -1467,7 +1467,7 @@ if test "$ac_init_help" = "long"; then
  # Omit some internal or obsolete options to make the list less imposing.
  # This message is too long to be a string in the A/UX 3.1 sh.
  cat <<_ACEOF
-\`configure' configures sqlite 3.32.0 to adapt to many kinds of systems.
+\`configure' configures sqlite 3.32.2 to adapt to many kinds of systems.

 Usage: $0 [OPTION]... [VAR=VALUE]...

@@ -1532,7 +1532,7 @@ fi

 if test -n "$ac_init_help"; then
  case $ac_init_help in
-     short | recursive ) echo "Configuration of sqlite 3.32.0:";;
+     short | recursive ) echo "Configuration of sqlite 3.32.2:";;
   esac
  cat <<\_ACEOF

@@ -1659,7 +1659,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
  cat <<\_ACEOF
-sqlite configure 3.32.0
+sqlite configure 3.32.2
 generated by GNU Autoconf 2.69

 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2078,7 +2078,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.

-It was created by sqlite $as_me 3.32.0, which was
+It was created by sqlite $as_me 3.32.2, which was
 generated by GNU Autoconf 2.69.  Invocation command line was

  $ $0 $@
@@ -12243,7 +12243,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by sqlite $as_me 3.32.0, which was
+This file was extended by sqlite $as_me 3.32.2, which was
 generated by GNU Autoconf 2.69.  Invocation command line was

  CONFIG_FILES    = $CONFIG_FILES
@@ -12309,7 +12309,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-sqlite config.status 3.32.0
+sqlite config.status 3.32.2
 configured by $0, generated by GNU Autoconf 2.69,
  with options \\"\$ac_cs_config\\"

@@ -1128,14 +1128,19 @@ int idxFindIndexes(
      /* int iParent = sqlite3_column_int(pExplain, 1); */
      /* int iNotUsed = sqlite3_column_int(pExplain, 2); */
      const char *zDetail = (const char*)sqlite3_column_text(pExplain, 3);
-      int nDetail = STRLEN(zDetail);
+      int nDetail;
      int i;

+      if( !zDetail ) continue;
+      nDetail = STRLEN(zDetail);
+
      for(i=0; i<nDetail; i++){
        const char *zIdx = 0;
-        if( memcmp(&zDetail[i], " USING INDEX ", 13)==0 ){
+        if( i+13<nDetail && memcmp(&zDetail[i], " USING INDEX ", 13)==0 ){
          zIdx = &zDetail[i+13];
-        }else if( memcmp(&zDetail[i], " USING COVERING INDEX ", 22)==0 ){
+        }else if( i+22<nDetail 
+            && memcmp(&zDetail[i], " USING COVERING INDEX ", 22)==0 
+        ){
          zIdx = &zDetail[i+22];
        }
        if( zIdx ){
@@ -1950,4 +1955,4 @@ void sqlite3_expert_destroy(sqlite3expert *p){
  }
 }

-#endif /* ifndef SQLITE_OMIT_VIRTUAL_TABLE */
+#endif /* ifndef SQLITE_OMIT_VIRTUALTABLE */
@@ -2185,7 +2185,9 @@ static void fts3ReadNextPos(
  sqlite3_int64 *pi             /* IN/OUT: Value read from position-list */
 ){
  if( (**pp)&0xFE ){
-    fts3GetDeltaVarint(pp, pi);
+    int iVal;
+    *pp += fts3GetVarint32((*pp), &iVal);
+    *pi += iVal;
    *pi -= 2;
  }else{
    *pi = POSITION_LIST_END;
@@ -5315,6 +5317,7 @@ static void fts3EvalNextRow(
                fts3EvalNextRow(pCsr, pLeft, pRc);
              }
            }
+            pRight->bEof = pLeft->bEof = 1;
          }
        }
        break;
@@ -876,7 +876,7 @@ static int fts3ExprLHits(
    iStart = pExpr->iPhrase * ((p->nCol + 31) / 32);
  }

-  while( 1 ){
+  if( pIter ) while( 1 ){
    int nHit = fts3ColumnlistCount(&pIter);
    if( (pPhrase->iColumn>=pTab->nColumn || pPhrase->iColumn==iCol) ){
      if( p->flag==FTS3_MATCHINFO_LHITS ){
@@ -116,7 +116,8 @@ SQLite. Documentation follows.
  and use it as a dynamically loadable SQLite extension. To do this
  using gcc on *nix:

-    gcc -shared icu.c `icu-config --ldflags` -o libSqliteIcu.so
+    gcc -fPIC -shared icu.c `pkg-config --libs --cflags icu-uc icu-io` \
+        -o libSqliteIcu.so

  You may need to add "-I" flags so that gcc can find sqlite3ext.h
  and sqlite3.h. The resulting shared lib, libSqliteIcu.so, may be
@@ -254,6 +254,7 @@ static int jsonGrow(JsonString *p, u32 N){
 /* Append N bytes from zIn onto the end of the JsonString string.
 */
 static void jsonAppendRaw(JsonString *p, const char *zIn, u32 N){
+  if( N==0 ) return;
  if( (N+p->nUsed >= p->nAlloc) && jsonGrow(p,N)!=0 ) return;
  memcpy(p->zBuf+p->nUsed, zIn, N);
  p->nUsed += N;
@@ -17,6 +17,7 @@
 #include "sqlite3ext.h"
 SQLITE_EXTENSION_INIT1
 #include <zlib.h>
+#include <assert.h>

 /*
 ** Implementation of the "sqlar_compress(X)" SQL function.
@@ -811,7 +811,7 @@ int sqlite3_vfsstat_init(
  if( rc==SQLITE_OK ){
    rc = vstatRegister(db, pzErrMsg, pApi);
    if( rc==SQLITE_OK ){
-      rc = sqlite3_auto_extension(vstatRegister);
+      rc = sqlite3_auto_extension((void(*)(void))vstatRegister);
    }
  }
  if( rc==SQLITE_OK ) rc = SQLITE_OK_LOAD_PERMANENTLY;
@@ -1,13 +1,13 @@
-C Fix\san\serror\sthat\scould\soccur\sif\sthe\sfirst\stransaction\sexecuted\sby\sa\sconnection\sconfigured\sto\suse\sblocking\slocks\sis\sa\swrite-transaction\sfor\swhich\sthe\sWRITER\slock\scannot\sbe\sobtained.
-D 2020-05-07T14:26:40.925
+C Version\s3.32.2
+D 2020-06-04T12:58:43.805
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
-F Makefile.in 280cf54350738dfd567bd97ae1bff1bf68c64658c4d5ff21be9cae117e92f063
+F Makefile.in 376f53999defeb32b7ad2626fd58aae8f3694c38ab7ee30c2289e0d0525a9238
 F Makefile.linux-gcc f609543700659711fbd230eced1f01353117621dccae7b9fb70daa64236c5241
-F Makefile.msc d9232f9339da7d2b82611cb148734d36be4cc90e17a968882e71d9bf75e512df
+F Makefile.msc 8d00aeba2609bb498dded5eead2890126321f02e292573bf29bf2d18487d37bd
 F README.md 1514a365ffca3c138e00c5cc839906108a01011a6b082bad19b09781e3aa498a
-F VERSION 980d78a2ce04a1fd0ebefbaabd665f7f9186563820629ee29c6e350e96f19b52
+F VERSION 709867ca80bd06e8517ad91b96b862b9167260051f4eadec62f01781ee530ba4
 F aclocal.m4 a5c22d164aff7ed549d53a90fa56d56955281f50
 F art/sqlite370.eps aa97a671332b432a54e1d74ff5e8775be34200c2
 F art/sqlite370.ico af56c1d00fee7cd4753e8631ed60703ed0fc6e90
@@ -15,7 +15,7 @@ F art/sqlite370.jpg d512473dae7e378a67e28ff96a34da7cb331def2
 F autoconf/INSTALL 83e4a25da9fd053c7b3665eaaaf7919707915903
 F autoconf/Makefile.am e14b629addaa1ce372b72043f28f40de2e32b7e211b6e0fc18dbb87989197e40
 F autoconf/Makefile.fallback 22fe523eb36dfce31e0f6349f782eb084e86a5620b2b0b4f84a2d6133f53f5ac
-F autoconf/Makefile.msc 1d1e4af61289c62b94aa65a93afcd3dfa4b53e4195908980e0b138203e71e1c9
+F autoconf/Makefile.msc e0f1dafc48d000fd6ddfdb01815271528db55cbc7299ca888df5b93367f0d5a4
 F autoconf/README.first 6c4f34fe115ff55d4e8dbfa3cecf04a0188292f7
 F autoconf/README.txt 4f04b0819303aabaa35fff5f7b257fb0c1ef95f1
 F autoconf/configure.ac 3cd933b959fe514eebd1ca1717dfddbf2c9b825b6bc2c5f744deaf5d63af9288
@@ -34,7 +34,7 @@ F autoconf/tea/win/rules.vc c511f222b80064096b705dbeb97060ee1d6b6d63
 F config.guess 883205ddf25b46f10c181818bf42c09da9888884af96f79e1719264345053bd6
 F config.h.in 6376abec766e9a0785178b1823b5a587e9f1ccbc
 F config.sub c2d0260f17f3e4bc0b6808fccf1b291cb5e9126c14fc5890efc77b9fd0175559
-F configure 4bbb5f13998f2faf929b9ae708aea9fbcb08a46cb6dd3150e36c3f09c0a05a75 x
+F configure 6ad808cfa0df616c5ca89ae4670b72c303276d79b28c3d7615c63d6c64ad274c x
 F configure.ac 798a24cee2879325ca5b688a618199eb32cc77ed8136edbaa43d9137b470d54e
 F contrib/sqlitecon.tcl 210a913ad63f9f991070821e599d600bd913e0ad
 F doc/F2FS.txt c1d4a0ae9711cfe0e1d8b019d154f1c29e0d3abfe820787ba1e9ed7691160fcd
@@ -49,7 +49,7 @@ F ext/async/sqlite3async.h f489b080af7e72aec0e1ee6f1d98ab6cf2e4dcef
 F ext/expert/README.md b321c2762bb93c18ea102d5a5f7753a4b8bac646cb392b3b437f633caf2020c3
 F ext/expert/expert.c d548d603a4cc9e61f446cc179c120c6713511c413f82a4a32b1e1e69d3f086a4
 F ext/expert/expert1.test 2e10ff875c31c9e6fc5e324767624181273859771fe34c5daeeadf3f2974a4f7
-F ext/expert/sqlite3expert.c 3da865f2286433588260f41e796422c611bceaca3a0bbf9139a619cf7d062c19
+F ext/expert/sqlite3expert.c ac008c72c00e6ded0f5116914d22ebd57f415fc0a7ea04738f4e9766dbdd3117
 F ext/expert/sqlite3expert.h ca81efc2679a92373a13a3e76a6138d0310e32be53d6c3bfaedabd158ea8969b
 F ext/expert/test_expert.c d56c194b769bdc90cf829a14c9ecbc1edca9c850b837a4d0b13be14095c32a72
 F ext/fts1/README.txt 20ac73b006a70bcfd80069bdaf59214b6cf1db5e
@@ -82,7 +82,7 @@ F ext/fts3/README.content fdc666a70d5257a64fee209f97cf89e0e6e32b51
 F ext/fts3/README.syntax a19711dc5458c20734b8e485e75fb1981ec2427a
 F ext/fts3/README.tokenizers b92bdeb8b46503f0dd301d364efc5ef59ef9fa8e2758b8e742f39fa93a2e422d
 F ext/fts3/README.txt 8c18f41574404623b76917b9da66fcb0ab38328d
-F ext/fts3/fts3.c de2cc136ccc6128e948ffd5d74636756014b2430d6237d7002c3bc3ceb1ae3ae
+F ext/fts3/fts3.c 45f5774987a68d36355799503b6d02dbff5286ffb42bec14d928b295d2b93c1b
 F ext/fts3/fts3.h 3a10a0af180d502cecc50df77b1b22df142817fe
 F ext/fts3/fts3Int.h 2c59cc46aefde134c1782e89a6a5384710ddcd4e783071337aa5d43d07269be3
 F ext/fts3/fts3_aux.c 96708c8b3a7d9b8ca1b68ea2b7e503e283f20e95f145becadedfad096dbd0f34
@@ -91,7 +91,7 @@ F ext/fts3/fts3_hash.c 8b6e31bfb0844c27dc6092c2620bdb1fca17ed613072db057d96952c6
 F ext/fts3/fts3_hash.h 39cf6874dc239d6b4e30479b1975fe5b22a3caaf
 F ext/fts3/fts3_icu.c 305ce7fb6036484085b5556a9c8e62acdc7763f0f4cdf5fd538212a9f3720116
 F ext/fts3/fts3_porter.c 3565faf04b626cddf85f03825e86056a4562c009
-F ext/fts3/fts3_snippet.c 052b35ad746349ffb53820379bacdb23ff3ac60d3cc13d986e56d42822ef5a9a
+F ext/fts3/fts3_snippet.c 86e7e947a176f0f005720b3ca17631aca2fd2f9daa6729d4adbf2d16ab1b9613
 F ext/fts3/fts3_term.c f45a1e7c6ef464abb1231245d123dae12266b69e05cc56e14045b76591ae92d1
 F ext/fts3/fts3_test.c 73b16e229e517c1b1f0fb8e1046182a4e5dbc8dbe6eea8a5d4353fcce7dbbf39
 F ext/fts3/fts3_tokenize_vtab.c cb792f59212f7799bf2891c7d4579bbf568f124ce8fbb0a9902aa5bd577e8b75
@@ -230,7 +230,7 @@ F ext/fts5/tool/fts5txt2db.tcl 526a9979c963f1c54fd50976a05a502e533a4c59
 F ext/fts5/tool/loadfts5.tcl 95b03429ee6b138645703c6ca192c3ac96eaf093
 F ext/fts5/tool/mkfts5c.tcl d1c2a9ab8e0ec690a52316f33dd9b1d379942f45
 F ext/fts5/tool/showfts5.tcl d54da0e067306663e2d5d523965ca487698e722c
-F ext/icu/README.txt a295e91db742b153e8dce8f7efd31d28ad1eea4df31ef4daa3eedc85be2f5138
+F ext/icu/README.txt 1c48ffaf7f255bd73d00a35f68f6de357c2a6594f16cb00506a151be23694706
 F ext/icu/icu.c 91c021c7e3e8bbba286960810fa303295c622e323567b2e6def4ce58e4466e60
 F ext/icu/sqliteicu.h 728867a802baa5a96de7495e9689a8e01715ef37
 F ext/lsm1/Makefile a553b728bba6c11201b795188c5708915cc4290f02b7df6ba7e8c4c943fd5cd9
@@ -298,7 +298,7 @@ F ext/misc/fileio.c 9b69e25da3b51d4a1d905a464ccb96709792ad627a742ba09215bc0d1447
 F ext/misc/fossildelta.c 1240b2d3e52eab1d50c160c7fe1902a9bd210e052dc209200a750bbf885402d5
 F ext/misc/fuzzer.c eae560134f66333e9e1ca4c8ffea75df42056e2ce8456734565dbe1c2a92bf3d
 F ext/misc/ieee754.c eaffd9b364d7c8371727e9c43fc8bec38cdacc4d11fc26beffaa3ca05a0ea9d6
-F ext/misc/json1.c 2d44e3fa37f958b42cbcd41651f9f0a0eaaf3bac3f1f4b8eb456431623cb3bd8
+F ext/misc/json1.c 3a42e3231d716516a8ae33b0a052d3ed5f52943e3d627b68744a427a6e552ae3
 F ext/misc/memstat.c 3017a0832c645c0f8c773435620d663855f04690172316bd127270d1a7523d4d
 F ext/misc/memtrace.c 7c0d115d2ef716ad0ba632c91e05bd119cb16c1aedf3bec9f06196ead2d5537b
 F ext/misc/memvfs.c ab36f49e02ebcdf85a1e08dc4d8599ea8f343e073ac9e0bca18a98b7e1ec9567
@@ -317,7 +317,7 @@ F ext/misc/sha1.c c8f2253c8792ffab9517695ea7d88c079f0395a5505eefef5c8198fe184ed5
 F ext/misc/shathree.c 135b7c145db4a09b1650c3e7aff9cb538763a9a361e834c015dd1aaf8d5c9a00
 F ext/misc/showauth.c 732578f0fe4ce42d577e1c86dc89dd14a006ab52
 F ext/misc/spellfix.c 94df9bbfa514a563c1484f684a2df3d128a2f7209a84ca3ca100c68a0163e29f
-F ext/misc/sqlar.c c9e5d58544e1506135806a1e0f525f92d4bb6bb125348dce469d778fb334fbce
+F ext/misc/sqlar.c 0ace5d3c10fe736dc584bf1159a36b8e2e60fab309d310cd8a0eecd9036621b6
 F ext/misc/stmt.c 35063044a388ead95557e4b84b89c1b93accc2f1c6ddea3f9710e8486a7af94a
 F ext/misc/templatevtab.c 8a16a91a5ceaccfcbd6aaaa56d46828806e460dd194965b3f77bf38f14b942c4
 F ext/misc/totype.c fa4aedeb07f66169005dffa8de3b0a2b621779fd44f85c103228a42afa71853b
@@ -326,7 +326,7 @@ F ext/misc/unionvtab.c 36237f0607ca954ac13a4a0e2d2ac40c33bc6e032a5f55f431713061e
 F ext/misc/urifuncs.c f71360d14fa9e7626b563f1f781c6148109462741c5235ac63ae0f8917b9c751
 F ext/misc/uuid.c 5bb2264c1b64d163efa46509544fd7500cb8769cb7c16dd52052da8d961505cf
 F ext/misc/vfslog.c 3b25c2f56ba60788db247287be6ab024b53c4afffd412b4876db563389be0d35
-F ext/misc/vfsstat.c 77b5b4235c9f7f11eddf82487c0a422944ac2f132dafd5af3be7a68a057b1cdb
+F ext/misc/vfsstat.c 389ea13983d3af926504c314f06a83cc858d5adc24b40af74aaed1fece00c118
 F ext/misc/vtablog.c 5538acd0c8ddaae372331bee11608d76973436b77d6a91e8635cfc9432fba5ae
 F ext/misc/vtshim.c 1976e6dd68dd0d64508c91a6dfab8e75f8aaf6cd
 F ext/misc/wholenumber.c 520f34c3099e5b7d546f13708607dc2fa173c46b68952eecf0d19cd675fec85e
@@ -467,7 +467,7 @@ F spec.template 86a4a43b99ebb3e75e6b9a735d5fd293a24e90ca
 F sqlite.pc.in 42b7bf0d02e08b9e77734a47798d1a55a9e0716b
 F sqlite3.1 fc7ad8990fc8409983309bb80de8c811a7506786
 F sqlite3.pc.in 48fed132e7cb71ab676105d2a4dc77127d8c1f3a
-F src/alter.c fa2c3be9b0ebecfafb7062072a0ae6eda126d3e5a9fd51b2eded5acd95dc783c
+F src/alter.c 826bc4561456094cf758f095776026f25892a2bb3a7cd86742323267dc9bdb5f
 F src/analyze.c 953a6c43870ccaf080597244e1eeb4dc2ff6cb84f9501b24e46323de36970b61
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 F src/auth.c a3d5bfdba83d25abed1013a8c7a5f204e2e29b0c25242a56bc02bb0c07bf1e06
@@ -477,7 +477,7 @@ F src/btmutex.c 8acc2f464ee76324bf13310df5692a262b801808984c1b79defb2503bbafadb6
 F src/btree.c f14e415fcfd0b52b4e4ebd193ba5fadac5e8252c30f023389af682813af44025
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 F src/btreeInt.h 5c8b8749805787313ecf49eb5be3ced1e94bbf8ef54bb01470ce6bd0d5185c67
-F src/build.c 5566b570435d3511a0fd57388c124491b1f74e59561f0c1679fabe74c4c54b7a
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 F src/callback.c d0b853dd413255d2e337b34545e54d888ea02f20da5ad0e63585b389624c4a6c
 F src/complete.c a3634ab1e687055cd002e11b8f43eb75c17da23e
 F src/ctime.c e98518d2d3d4029a13c805e07313fb60c877be56db76e90dd5f3af73085d0ce6
@@ -485,26 +485,26 @@ F src/date.c b29b349d277e3d579dcc295b24c0a2caed83fd8f090a9f7cbe6070c0fd662384
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-F src/insert.c 8e4211d04eb460c0694d486c6ba1c068d468c6f653c3f237869a802ad82854de
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 F src/legacy.c d7874bc885906868cd51e6c2156698f2754f02d9eee1bae2d687323c3ca8e5aa
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-F src/malloc.c a3e13b001f988ecec6bdb90c0ea8912c8c786e623724d7098da623d8d01d19b1
+F src/main.c 97d962ab1f830540043042e41085c5b85636a60e6ed95002c1a56b64f7eb6a0b
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 F src/mem0.c 6a55ebe57c46ca1a7d98da93aaa07f99f1059645
 F src/mem1.c c12a42539b1ba105e3707d0e628ad70e611040d8f5e38cf942cee30c867083de
 F src/mem2.c f1940d9e91948dd6a908fbb9ce3835c36b5d83c3
 F src/mem3.c 8768ac94694f31ffaf8b4d0ea5dc08af7010a35a
 F src/mem5.c 9bf955937b07f8c32541c8a9991f33ce3173d944
-F src/memdb.c 02a5fcec19b9d40dd449ca802dc1b2e8f93f255fbf2a886277a3c3800d8d35db
+F src/memdb.c 252137ca122acb8f54a99b48cf9f96a31d5130f19d174381a53294446d8b64a3
 F src/memjournal.c 7561c01c90958f3ba9bc6cb2d857123d932bdfa5539ea34427a0957b2e35154d
 F src/msvc.h 3a15918220367a8876be3fa4f2abe423a861491e84b864fb2b7426bf022a28f8
 F src/mutex.c 5e3409715552348732e97b9194abe92fdfcd934cfb681df4ba0ab87ac6c18d25
@@ -518,7 +518,7 @@ F src/os.h 48388821692e87da174ea198bf96b1b2d9d83be5dfc908f673ee21fafbe0d432
 F src/os_common.h b2f4707a603e36811d9b1a13278bffd757857b85
 F src/os_setup.h 0dbaea40a7d36bf311613d31342e0b99e2536586
 F src/os_unix.c 13f983da988b6460ef3c4c22099c67ab0938291e543644ac4d99eccc8ba604f1
-F src/os_win.c 035a813cbd17f355bdcad7ab894af214a9c13a1db8aeac902365350b98cd45a7
+F src/os_win.c e832e21e830c1f9409c9c54053939b6dcb14c1e92128b756204ce1e3e331d678
 F src/os_win.h 7b073010f1451abe501be30d12f6bc599824944a
 F src/pager.c 96436cb1920074d4ade120a1a8a9d0ae3f52df06651e21b7eccc5eae2f02b111
 F src/pager.h 8d1dc9a2c3fc5eb6eeed75f48a076f425e77706f8935f05817fa05a308f587b5
@@ -529,20 +529,20 @@ F src/pcache1.c 6596e10baf3d8f84cc1585d226cf1ab26564a5f5caf85a15757a281ff977d51a
 F src/pragma.c 1b0db48177e52b256c003b8dc6ac708b1079a82cded944a23820574586a4731f
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 F src/prepare.c 8d4d6c8aa6afefc48027c54b41cdf134b4d6bc2fc4badbe483ad7fd9e1728a28
-F src/printf.c 9be6945837c839ba57837b4bc3af349eba630920fa5532aa518816defe42a7d4
+F src/printf.c 94b5419ad0a17269f76a9e968ca19cf9fa37617abed2e246fc48844e511b6bc6
 F src/random.c 80f5d666f23feb3e6665a6ce04c7197212a88384
-F src/resolve.c d36a2b1639e1c33d7b508abfd3452a63e7fd81737f6f3940bfef085fca6f21f4
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 F src/rowset.c ba9515a922af32abe1f7d39406b9d35730ed65efab9443dc5702693b60854c92
-F src/select.c 1720bff2168491ca79af81a03bd18c0383f61d845c6e17caff9d25aabc4ab435
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 F src/shell.c.in cf2d24f54412c06e5fb34af7fabc748651125e1dceac29b740e91f06d23447b6
-F src/sqlite.h.in a42bae930f462294801f24468dd56832b09de01072a26dc0df60ddc3c5602210
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 F src/sqliteLimit.h 95cb8479ca459496d9c1c6a9f76b38aee12203a56ce1092fe13e50ae2454c032
 F src/status.c 9ff2210207c6c3b4d9631a8241a7d45ab1b26a0e9c84cb07a9b5ce2de9a3b278
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-F src/tclsqlite.c d0aa320416efe88c4dbb0156ed6c494f2f9958871a940e46984ee57b3e7fcc50
+F src/table.c 0f141b58a16de7e2fbe81c308379e7279f4c6b50eb08efeec5892794a0ba30d1
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 F src/test1.c 5e8b8cc54e8c88906ea8a084387aa79bad245e539f4cee73149e5c0527e1db16
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 F src/test3.c 61798bb0d38b915067a8c8e03f5a534b431181f802659a6616f9b4ff7d872644
@@ -598,33 +598,33 @@ F src/test_window.c cdae419fdcea5bad6dcd9368c685abdad6deb59e9fc8b84b153de513d394
 F src/test_wsd.c 41cadfd9d97fe8e3e4e44f61a4a8ccd6f7ca8fe9
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 F src/upsert.c 2920de71b20f04fe25eb00b655d086f0ba60ea133c59d7fa3325c49838818e78
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 F src/vxworks.h d2988f4e5a61a4dfe82c6524dd3d6e4f2ce3cdb9
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 F src/whereexpr.c 264d58971eaf8256eb5b0917bcd7fc7a1f1109fdda183a8382308a1b18a2dce7
-F src/window.c ba1ffb78d73c5831433681aab7ee634230ee32f14ad508efa585044662141d5a
+F src/window.c 66c5fd1e48af7581cf90b97700268294f4da4037f120f367715f912e1148d3f9
 F test/8_3_names.test ebbb5cd36741350040fd28b432ceadf495be25b2
 F test/affinity2.test ce1aafc86e110685b324e9a763eab4f2a73f737842ec3b687bd965867de90627
 F test/affinity3.test 6a101af2fc945ce2912f6fe54dd646018551710d
@@ -632,10 +632,10 @@ F test/aggerror.test a867e273ef9e3d7919f03ef4f0e8c0d2767944f2
 F test/aggnested.test 12106f0748e8e9bfc1a8e6840e203e051eae06a26ed13fc9fd5db108a8d6db54
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 F test/alter2.test a966ccfcddf9ce0a4e0e6ff1aca9e6e7948e0e242cd7e43fc091948521807687
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-F test/alter4.test 74b22251c5e9c48093cfc4921ed9c11b59df84634aeeb00e501773320beb8424
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 F test/alterauth.test 63442ba61ceb0c1eeb63aac1f4f5cebfa509d352276059d27106ae256bafc959
 F test/alterauth2.test c0a1ddf5b93d93cb0d15ba7acaf0c5c6fb515bbe861ede75b2d3fabad33b6499
 F test/altercol.test 1d6a6fe698b81e626baea4881f5717f9bc53d7d07f1cd23ee7ad1b931f117ddf
@@ -783,7 +783,7 @@ F test/corruptK.test 5b4212fe346699831c5ad559a62c54e11c0611bdde1ea8423a091f9c01a
 F test/corruptL.test 13ef74a93223af25015d223add0df4c2d375f0b958b546a2a72033f2fdab7a70
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 F test/cost.test 51f4fcaae6e78ad5a57096831259ed6c760e2ac6876836e91c00030fad385b34
-F test/count.test cb2e0f934c6eb33670044520748d2ecccd46259c
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 F test/countofview.test e17d6e6688cf74f22783c9ec6e788c0790ee4fbbaee713affd00b1ac0bb39b86
 F test/coveridxscan.test 5ec98719a2e2914e8908dc75f7247d9b54a26df04625f846ac7900d5483f7296
 F test/crash.test fb9dc4a02dcba30d4aa5c2c226f98b220b2b959f
@@ -800,7 +800,7 @@ F test/createtab.test 85cdfdae5c3de331cd888d6c66e1aba575b47c2e3c3cc4a1d6f5414069
 F test/cse.test 00b3aea44b16828833c94fbe92475fd6977583fcb064ae0bc590986812b38d0c
 F test/csv01.test c9c3af0d58c34e9ac970c5875a77939edb958762c8aafb95409e19a3f088b6cd
 F test/ctime.test 78749e6c9a5f0010d67985be80788f841e3cd2da18114e2ed6010399a7d807f3
-F test/cursorhint.test 7bc346788390475e77a345da2b92270d04d35856
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 F test/cursorhint2.test 6f3aa9cb19e7418967a10ec6905209bcbb5968054da855fc36c8beee9ae9c42f
 F test/dataversion1.test 6e5e86ac681f0782e766ebcb56c019ae001522d114e0e111e5ebf68ccf2a7bb8
 F test/date.test 9b73bbeb1b82d9c1f44dec5cf563bf7da58d2373
@@ -835,8 +835,8 @@ F test/e_createtable.test ea27082d6f84df61e1d9e383f3fd79220418856a4a8afc41af75d4
 F test/e_delete.test ab39084f26ae1f033c940b70ebdbbd523dc4962e
 F test/e_droptrigger.test 3cd080807622c13e5bbb61fc9a57bd7754da2412
 F test/e_dropview.test 74e405df7fa0f762e0c9445b166fe03955856532e2bb234c372f7c51228d75e7
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-F test/e_fkey.test 2febb2084aef9b0186782421c07bc9d377abf067c9cb4efd49d9647ae31f5afe
+F test/e_expr.test 62000e6675d5bcf4b09276fe011a27779629ff8f6678ba5937fb6f1b78d645ff
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 F test/e_fts3.test 17ba7c373aba4d4f5696ba147ee23fd1a1ef70782af050e03e262ca187c5ee07
 F test/e_insert.test f02f7f17852b2163732c6611d193f84fc67bc641fb4882c77a464076e5eba80e
 F test/e_reindex.test 2b0e29344497d9a8a999453a003cb476b6b1d2eef2d6c120f83c2d3a429f3164
@@ -875,7 +875,7 @@ F test/filter2.tcl 44e525497ce07382915f01bd29ffd0fa49dab3adb87253b5e5103ba8f9339
 F test/filter2.test 485cf95d1f6d6ceee5632201ca52a71868599836f430cdee42e5f7f14666e30a
 F test/filterfault.test c08fb491d698e8df6c122c98f7db1c65ffcfcad2c1ab0e07fa8a5be1b34eaa8b
 F test/fkey1.test d11dbb8a93ead9b5c46ae5d02da016d61245d47662fb2d844c99214f6163f768
-F test/fkey2.test 65c86b11127c11f80c0f450b3480321e0f087edea3031b9daa1978e3c020c91b
+F test/fkey2.test b1b6a8c5556dc0ccf31291b1fed8aa57e404b38f3236110e19ab4dc6aa93edf2
 F test/fkey3.test 76d475c80b84ee7a5d062e56ccb6ea68882e2b49
 F test/fkey4.test 86446017011273aad8f9a99c1a65019e7bd9ca9d
 F test/fkey5.test 24dd28eb3d9f1b5a174f47e9899ace5facb08373a4223593c8c631e6cf9f7d5a
@@ -883,7 +883,7 @@ F test/fkey6.test d078a1e323a740062bed38df32b8a736fd320dc0
 F test/fkey7.test 64fb28da03da5dfe3cdef5967aa7e832c2507bf7fb8f0780cacbca1f2338d031
 F test/fkey8.test 48ef829d63f5f7b37aabd4df9363ac05f65539d1da8c4a44251631769d920579
 F test/fkey_malloc.test 594a7ea1fbab553c036c70813cd8bd9407d63749
-F test/fordelete.test eb93a2f34137bb87bdab88fcab06c0bd92719aff
+F test/fordelete.test ba98f14446b310f9c9d935b97ec748753d0144a28b356ba30d1f4f6958fdde5c
 F test/format4.test eeae341953db8b6bda7f549044797c3278a6cc345d11ada81471671b654f8ef4
 F test/fts-9fd058691.test 78b887e30ae6816df0e1fed6259de4b5a64ad33c
 F test/fts1a.test 46090311f85da51bb33bd5ce84f7948359c6d8d7
@@ -948,7 +948,7 @@ F test/fts3conf.test c84bbaec81281c1788aa545ac6e78a6bd6cde2bdbbce2da261690e3659f
 F test/fts3corrupt.test 79a32ffdcd5254e2f7fa121d9656e61949ad049c3c6554229911b7ceac37c9c6
 F test/fts3corrupt2.test bf55c3fa0b0dc8ea1c0fe5543623bd27714585da6a129038fd6999fe3b0d25f3
 F test/fts3corrupt3.test 0d5b69a0998b4adf868cc301fc78f3d0707745f1d984ce044c205cdb764b491f
-F test/fts3corrupt4.test 6a1331bb51dc27acc063d26e0f1b610863b56a833ee54fa32767d17cf96bda4a
+F test/fts3corrupt4.test fde292a4712753c7ef235a199273c5d196e18a56bd2c4d2db7ccaf59b7027a0a
 F test/fts3corrupt5.test 0549f85ec4bd22e992f645f13c59b99d652f2f5e643dac75568bfd23a6db7ed5
 F test/fts3cov.test 7eacdbefd756cfa4dc2241974e3db2834e9b372ca215880e00032222f32194cf
 F test/fts3d.test 2bd8c97bcb9975f2334147173b4872505b6a41359a4f9068960a36afe07a679f
@@ -969,6 +969,7 @@ F test/fts3fuzz001.test e3c7b0ce9b04cc02281dcc96812a277f02df03cd7dc082055d87e11e
 F test/fts3join.test 949b4f5ae3ae9cc2423cb865d711e32476bdb205ab2be923fdf48246e4a44166
 F test/fts3malloc.test b0e4c133b8d61d4f6d112d8110f8320e9e453ef6
 F test/fts3matchinfo.test aa66cc50615578b30f6df9984819ae5b702511cf8a94251ec7c594096a703a4a
+F test/fts3matchinfo2.test 00144e841704b8debfcdf6097969cd9f2a1cf759e2203cda42583648f2e6bf58
 F test/fts3misc.test 9ec15e7c0b5831a6353bd4c46bf3acdf1360eda5d9f396f667db4d05bcf92ecf
 F test/fts3near.test 7e3354d46f155a822b59c0e957fd2a70c1d7e905
 F test/fts3offsets.test b85fd382abdc78ebce721d8117bd552dfb75094c
@@ -978,7 +979,8 @@ F test/fts3query.test ca033ff2ebcc22c69d89032fb0bc1850997d31e7e60ecd26440796ba16
 F test/fts3rank.test cd99bc83a3c923c8d52afd90d86979cf05fc41849f892faeac3988055ef37b99
 F test/fts3rnd.test 1320d8826a845e38a96e769562bf83d7a92a15d0
 F test/fts3shared.test 57e26a801f21027b7530da77db54286a6fe4997e
-F test/fts3snippet.test d9b9f4b717584040fb56df1dacab53acd474958e9c1d00b073d10726695cea0c
+F test/fts3snippet.test 0887196d67cffbe365edde535b95ecc642a532ce8551ccd9a73aab5999c3ffae
+F test/fts3snippet2.test 2dabb5889eda4c9980aad325e688b470781f97ce7c0fca0db125616fae0a2cdd
 F test/fts3sort.test ed34c716a11cc2009a35210e84ad5f9c102362ca
 F test/fts3tok1.test a663f4cac22a9505400bc22aacb818d7055240409c28729669ea7d4cc2120d15
 F test/fts3tok_err.test 52273cd193b9036282f7bacb43da78c6be87418d
@@ -1027,7 +1029,7 @@ F test/fuzzdata4.db b502c7d5498261715812dd8b3c2005bad08b3a26e6489414bd13926cd3e4
 F test/fuzzdata5.db e35f64af17ec48926481cfaf3b3855e436bd40d1cfe2d59a9474cb4b748a52a5
 F test/fuzzdata6.db 92a80e4afc172c24f662a10a612d188fb272de4a9bd19e017927c95f737de6d7
 F test/fuzzdata7.db 0166b56fd7a6b9636a1d60ef0a060f86ddaecf99400a666bb6e5bbd7199ad1f2
-F test/fuzzdata8.db fb701c5653f0a75a58e2ee0f8baf5b207faa7702dda88c913ebbe2abb3b33de3
+F test/fuzzdata8.db 209623791b0ad72ab39110c867af2080a79004e493c4da14ad661e790b5d1ed8
 F test/fuzzer1.test 3d4c4b7e547aba5e5511a2991e3e3d07166cfbb8
 F test/fuzzer2.test a85ef814ce071293bce1ad8dffa217cbbaad4c14
 F test/fuzzerfault.test 8792cd77fd5bce765b05d0c8e01b9edcf8af8536
@@ -1244,7 +1246,7 @@ F test/pragma4.test 10c624e45a83c0096a82a7579a5ff658542391d3b77355192da6572c8c17
 F test/pragma5.test 7b33fc43e2e41abf17f35fb73f71b49671a380ea92a6c94b6ce530a25f8d9102
 F test/pragmafault.test 275edaf3161771d37de60e5c2b412627ac94cef11739236bec12ed1258b240f8
 F test/prefixes.test b524a1c44bffec225b9aec98bd728480352aa8532ac4c15771fb85e8beef65d9
-F test/printf.test 0300699733e53101b2ce48800518427249edd4053bb50fa0621c6607482f0fdb
+F test/printf.test 1e0e469f5f8a09afa8a182f34647e3d9b8c01978cbbe2313a194ccc3a8471506
 F test/printf2.test 30b5dd0b4b992dc5626496846ecce17ff592cacbcb11c3e589f3ac4d7e129dae
 F test/progress.test ebab27f670bd0d4eb9d20d49cef96e68141d92fb
 F test/ptrchng.test ef1aa72d6cf35a2bbd0869a649b744e9d84977fc
@@ -1444,7 +1446,7 @@ F test/tkt-385a5b56b9.test 5204a7cba0e28c99df0acbf95af5e1af4d32965a7a14de6eccebf
 F test/tkt-38cb5df375.test f3cc8671f1eb604d4ae9cf886ed4366bec656678
 F test/tkt-3998683a16.test 6d1d04d551ed1704eb3396ca87bb9ccc8c5c1eb7
 F test/tkt-3a77c9714e.test 90e3e8455ee945a4076d4c44062b8845708af24a880355328fe7008f2047c9f0
-F test/tkt-3fe897352e.test 6849fde0a87165ff83f54f5047af7c743d72af26908fadb90174f3294450b3f4
+F test/tkt-3fe897352e.test 27e26eb0f1811aeba4d65aba43a4c52e99da5e70
 F test/tkt-4a03edc4c8.test 91c0e135888cdc3d4eea82406a44b05c8c1648d0
 F test/tkt-4c86b126f2.test cbcc611becd0396890169ab23102dd70048bbc9a
 F test/tkt-4dd95f6943.test 3d0ce415d2ee15d3d564121960016b9c7be79407
@@ -1723,9 +1725,9 @@ F test/wherelimit.test 592081800806d297dd7449b1030c863d2883d6d42901837ccd2e5a9bd
 F test/wherelimit2.test 9bf0aa56cca40ea0e4c5e2915341355a2bbc0859ec4ce1589197fe2a9d94635f
 F test/win32heap.test 10fd891266bd00af68671e702317726375e5407561d859be1aa04696f2aeee74
 F test/win32lock.test fbf107c91d8f5512be5a5b87c4c42ab9fdd54972
-F test/win32longpath.test 169c75a3b2e43481f4a62122510210c67b08f26d
+F test/win32longpath.test 4baffc3acb2e5188a5e3a895b2b543ed09e62f7c72d713c1feebf76222fe9976
 F test/win32nolock.test ac4f08811a562e45a5755e661f45ca85892bdbbc
-F test/window1.test ec792f92e63ee457447c5c04de8f8d42f4a94b842b5bac1f403ac38a6d867c22
+F test/window1.test 502a3e72fce895aaaa633bbe709f6de3c24eed3ecb8098ab9fb8b47584b4452c
 F test/window2.tcl 492c125fa550cda1dd3555768a2303b3effbeceee215293adf8871efc25f1476
 F test/window2.test e466a88bd626d66edc3d352d7d7e1d5531e0079b549ba44efb029d1fbff9fd3c
 F test/window3.tcl acea6e86a4324a210fd608d06741010ca83ded9fde438341cb978c49928faf03
@@ -1751,7 +1753,7 @@ F test/with4.test 257be66c0c67fee1defbbac0f685c3465e2cad037f21ce65f23f86084f1982
 F test/withM.test 693b61765f2b387b5e3e24a4536e2e82de15ff64
 F test/without_rowid1.test 9cfb83705c506e3849fa7efc88a3c9a15f9a50bf9b1516b41757a7cef9bba8c3
 F test/without_rowid2.test af260339f79d13cb220288b67cd287fbcf81ad99
-F test/without_rowid3.test 392e6e12f275d11d931a8bc4580e573342f391639c87ffb631010a7b3cedfdc0
+F test/without_rowid3.test f8e6b9f7cb32a3570bab743dd4f28d2000e2107808d57585e776f5c3eb076241
 F test/without_rowid4.test 4e08bcbaee0399f35d58b5581881e7a6243d458a
 F test/without_rowid5.test 89b1c587bd92a0590e440da33e7666bf4891572a
 F test/without_rowid6.test 8463b20098e9f75a501a9f17dfb42fffc79068eac0b2775fe56ef2281d2df45e
@@ -1864,7 +1866,10 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P ac4ee69664278a828e0a64c5be3b96fdb6eb6acc95646a9425c667aea328791c
-R 22b4478e3cf3c244a4ab3e6943ce3c12
-U dan
-Z e85493d3ac63dab3b3e9ea5cdd9d6a6e
+P 9cfefef591dc555e41fe267e5a5b128f82038d01f8c44480ede16be4a923863f
+R 6aa42dcffed4a96d974d4a71a5dcf630
+T +bgcolor * #d0c0ff
+T +sym-release *
+T +sym-version-3.32.2 *
+U drh
+Z ba5e4d2ff24d081fa0b14b3b24d4fae5
@@ -1 +1 @@
-49e4dc72f7a4b28e4b49d7b91030bc986aea3ff44dac38cb6e68305800cd1de5
+ec02243ea6ce33b090870ae55ab8aa2534b54d216d45c4aa2fdbb00e86861e8c
@@ -123,7 +123,10 @@ void sqlite3AlterRenameTable(
  /* Check that a table or index named 'zName' does not already exist
  ** in database iDb. If so, this is an error.
  */
-  if( sqlite3FindTable(db, zName, zDb) || sqlite3FindIndex(db, zName, zDb) ){
+  if( sqlite3FindTable(db, zName, zDb)
+   || sqlite3FindIndex(db, zName, zDb)
+   || sqlite3IsShadowTableOf(db, pTab, zName)
+  ){
    sqlite3ErrorMsg(pParse, 
        "there is already another table or index with this name: %s", zName);
    goto exit_rename_table;
@@ -255,6 +258,22 @@ exit_rename_table:
  db->mDbFlags = savedDbFlags;
 }

+/*
+** Write code that will raise an error if the table described by
+** zDb and zTab is not empty.
+*/
+static void sqlite3ErrorIfNotEmpty(
+  Parse *pParse,        /* Parsing context */
+  const char *zDb,      /* Schema holding the table */
+  const char *zTab,     /* Table to check for empty */
+  const char *zErr      /* Error message text */
+){
+  sqlite3NestedParse(pParse,
+     "SELECT raise(ABORT,%Q) FROM \"%w\".\"%w\"",
+     zErr, zDb, zTab
+  );
+}
+
 /*
 ** This function is called after an "ALTER TABLE ... ADD" statement
 ** has been parsed. Argument pColDef contains the text of the new
@@ -307,7 +326,8 @@ void sqlite3AlterFinishAddColumn(Parse *pParse, Token *pColDef){
    return;
  }
  if( pNew->pIndex ){
-    sqlite3ErrorMsg(pParse, "Cannot add a UNIQUE column");
+    sqlite3ErrorMsg(pParse,
+         "Cannot add a UNIQUE column");
    return;
  }
  if( (pCol->colFlags & COLFLAG_GENERATED)==0 ){
@@ -320,16 +340,15 @@ void sqlite3AlterFinishAddColumn(Parse *pParse, Token *pColDef){
      pDflt = 0;
    }
    if( (db->flags&SQLITE_ForeignKeys) && pNew->pFKey && pDflt ){
-      sqlite3ErrorMsg(pParse, 
+      sqlite3ErrorIfNotEmpty(pParse, zDb, zTab,
          "Cannot add a REFERENCES column with non-NULL default value");
-      return;
    }
    if( pCol->notNull && !pDflt ){
-      sqlite3ErrorMsg(pParse, 
+      sqlite3ErrorIfNotEmpty(pParse, zDb, zTab,
          "Cannot add a NOT NULL column with default value NULL");
-      return;
    }

+
    /* Ensure the default expression is something that sqlite3ValueFromExpr()
    ** can handle (i.e. not CURRENT_TIME etc.)
    */
@@ -343,14 +362,13 @@ void sqlite3AlterFinishAddColumn(Parse *pParse, Token *pColDef){
        return;
      }
      if( !pVal ){
-        sqlite3ErrorMsg(pParse,"Cannot add a column with non-constant default");
-        return;
+        sqlite3ErrorIfNotEmpty(pParse, zDb, zTab,
+           "Cannot add a column with non-constant default");
      }
      sqlite3ValueFree(pVal);
    }
  }else if( pCol->colFlags & COLFLAG_STORED ){
-    sqlite3ErrorMsg(pParse, "cannot add a STORED column");
-    return;
+    sqlite3ErrorIfNotEmpty(pParse, zDb, zTab, "cannot add a STORED column");
  }


@@ -312,22 +312,39 @@ Table *sqlite3FindTable(sqlite3 *db, const char *zName, const char *zDatabase){
    return 0;
  }
 #endif
-  while(1){
-    for(i=OMIT_TEMPDB; i<db->nDb; i++){
-      int j = (i<2) ? i^1 : i;   /* Search TEMP before MAIN */
-      if( zDatabase==0 || sqlite3DbIsNamed(db, j, zDatabase) ){
-        assert( sqlite3SchemaMutexHeld(db, j, 0) );
-        p = sqlite3HashFind(&db->aDb[j].pSchema->tblHash, zName);
-        if( p ) return p;
+  if( zDatabase ){
+    for(i=0; i<db->nDb; i++){
+      if( sqlite3StrICmp(zDatabase, db->aDb[i].zDbSName)==0 ) break;
+    }
+    if( i>=db->nDb ){
+      /* No match against the official names.  But always match "main"
+      ** to schema 0 as a legacy fallback. */
+      if( sqlite3StrICmp(zDatabase,"main")==0 ){
+        i = 0;
+      }else{
+        return 0;
      }
    }
-    /* Not found.  If the name we were looking for was temp.sqlite_master
-    ** then change the name to sqlite_temp_master and try again. */
-    if( sqlite3StrICmp(zName, MASTER_NAME)!=0 ) break;
-    if( sqlite3_stricmp(zDatabase, db->aDb[1].zDbSName)!=0 ) break;
-    zName = TEMP_MASTER_NAME;
+    p = sqlite3HashFind(&db->aDb[i].pSchema->tblHash, zName);
+    if( p==0 && i==1 && sqlite3StrICmp(zName, MASTER_NAME)==0 ){
+      /* All temp.sqlite_master to be an alias for sqlite_temp_master */
+      p = sqlite3HashFind(&db->aDb[1].pSchema->tblHash, TEMP_MASTER_NAME);
+    }
+  }else{
+    /* Match against TEMP first */
+    p = sqlite3HashFind(&db->aDb[1].pSchema->tblHash, zName);
+    if( p ) return p;
+    /* The main database is second */
+    p = sqlite3HashFind(&db->aDb[0].pSchema->tblHash, zName);
+    if( p ) return p;
+    /* Attached databases are in order of attachment */
+    for(i=2; i<db->nDb; i++){
+      assert( sqlite3SchemaMutexHeld(db, i, 0) );
+      p = sqlite3HashFind(&db->aDb[i].pSchema->tblHash, zName);
+      if( p ) break;
+    }
  }
-  return 0;
+  return p;
 }

 /*
@@ -2131,6 +2148,28 @@ static void convertToWithoutRowidTable(Parse *pParse, Table *pTab){
  recomputeColumnsNotIndexed(pPk);
 }

+
+#ifndef SQLITE_OMIT_VIRTUALTABLE
+/*
+** Return true if pTab is a virtual table and zName is a shadow table name
+** for that virtual table.
+*/
+int sqlite3IsShadowTableOf(sqlite3 *db, Table *pTab, const char *zName){
+  int nName;                    /* Length of zName */
+  Module *pMod;                 /* Module for the virtual table */
+
+  if( !IsVirtual(pTab) ) return 0;
+  nName = sqlite3Strlen30(pTab->zName);
+  if( sqlite3_strnicmp(zName, pTab->zName, nName)!=0 ) return 0;
+  if( zName[nName]!='_' ) return 0;
+  pMod = (Module*)sqlite3HashFind(&db->aModule, pTab->azModuleArg[0]);
+  if( pMod==0 ) return 0;
+  if( pMod->pModule->iVersion<3 ) return 0;
+  if( pMod->pModule->xShadowName==0 ) return 0;
+  return pMod->pModule->xShadowName(zName+nName+1);
+}
+#endif /* ifndef SQLITE_OMIT_VIRTUALTABLE */
+
 #ifndef SQLITE_OMIT_VIRTUALTABLE
 /*
 ** Return true if zName is a shadow table name in the current database
@@ -2142,8 +2181,6 @@ static void convertToWithoutRowidTable(Parse *pParse, Table *pTab){
 int sqlite3ShadowTableName(sqlite3 *db, const char *zName){
  char *zTail;                  /* Pointer to the last "_" in zName */
  Table *pTab;                  /* Table that zName is a shadow of */
-  Module *pMod;                 /* Module for the virtual table */
-
  zTail = strrchr(zName, '_');
  if( zTail==0 ) return 0;
  *zTail = 0;
@@ -2151,14 +2188,11 @@ int sqlite3ShadowTableName(sqlite3 *db, const char *zName){
  *zTail = '_';
  if( pTab==0 ) return 0;
  if( !IsVirtual(pTab) ) return 0;
-  pMod = (Module*)sqlite3HashFind(&db->aModule, pTab->azModuleArg[0]);
-  if( pMod==0 ) return 0;
-  if( pMod->pModule->iVersion<3 ) return 0;
-  if( pMod->pModule->xShadowName==0 ) return 0;
-  return pMod->pModule->xShadowName(zTail+1);
+  return sqlite3IsShadowTableOf(db, pTab, zName);
 }
 #endif /* ifndef SQLITE_OMIT_VIRTUALTABLE */

+
 #ifdef SQLITE_DEBUG
 /*
 ** Mark all nodes of an expression as EP_Immutable, indicating that
@@ -4741,7 +4775,7 @@ void sqlite3HaltConstraint(
  u8 p5Errmsg       /* P5_ErrMsg type */
 ){
  Vdbe *v = sqlite3GetVdbe(pParse);
-  assert( (errCode&0xff)==SQLITE_CONSTRAINT );
+  assert( (errCode&0xff)==SQLITE_CONSTRAINT || pParse->nested );
  if( onError==OE_Abort ){
    sqlite3MayAbort(pParse);
  }
@@ -3700,6 +3700,13 @@ static int exprCodeInlineFunction(
      sqlite3VdbeResolveLabel(v, endCoalesce);
      break;
    }
+    case INLINEFUNC_iif: {
+      Expr caseExpr;
+      memset(&caseExpr, 0, sizeof(caseExpr));
+      caseExpr.op = TK_CASE;
+      caseExpr.x.pList = pFarg;
+      return sqlite3ExprCodeTarget(pParse, &caseExpr, target);
+    }

    default: {   
      /* The UNLIKELY() function is a no-op.  The result is the value
@@ -3804,7 +3811,10 @@ expr_code_doover:
  switch( op ){
    case TK_AGG_COLUMN: {
      AggInfo *pAggInfo = pExpr->pAggInfo;
-      struct AggInfo_col *pCol = &pAggInfo->aCol[pExpr->iAgg];
+      struct AggInfo_col *pCol;
+      assert( pAggInfo!=0 );
+      assert( pExpr->iAgg>=0 && pExpr->iAgg<pAggInfo->nColumn );
+      pCol = &pAggInfo->aCol[pExpr->iAgg];
      if( !pAggInfo->directMode ){
        assert( pCol->iMem>0 );
        return pCol->iMem;
@@ -4104,7 +4114,10 @@ expr_code_doover:
    }
    case TK_AGG_FUNCTION: {
      AggInfo *pInfo = pExpr->pAggInfo;
-      if( pInfo==0 ){
+      if( pInfo==0
+       || NEVER(pExpr->iAgg<0)
+       || NEVER(pExpr->iAgg>=pInfo->nFunc)
+      ){
        assert( !ExprHasProperty(pExpr, EP_IntValue) );
        sqlite3ErrorMsg(pParse, "misuse of aggregate: %s()", pExpr->u.zToken);
      }else{
@@ -4482,7 +4495,7 @@ expr_code_doover:
           || pExpr->affExpr==OE_Fail
           || pExpr->affExpr==OE_Ignore
      );
-      if( !pParse->pTriggerTab ){
+      if( !pParse->pTriggerTab && !pParse->nested ){
        sqlite3ErrorMsg(pParse,
                       "RAISE() may only be used within a trigger-program");
        return 0;
@@ -4496,8 +4509,9 @@ expr_code_doover:
            v, OP_Halt, SQLITE_OK, OE_Ignore, 0, pExpr->u.zToken,0);
        VdbeCoverage(v);
      }else{
-        sqlite3HaltConstraint(pParse, SQLITE_CONSTRAINT_TRIGGER,
-                              pExpr->affExpr, pExpr->u.zToken, 0, 0);
+        sqlite3HaltConstraint(pParse,
+             pParse->pTriggerTab ? SQLITE_CONSTRAINT_TRIGGER : SQLITE_ERROR,
+             pExpr->affExpr, pExpr->u.zToken, 0, 0);
      }

      break;
@@ -5859,15 +5873,6 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){
  }
  return WRC_Continue;
 }
-static int analyzeAggregatesInSelect(Walker *pWalker, Select *pSelect){
-  UNUSED_PARAMETER(pSelect);
-  pWalker->walkerDepth++;
-  return WRC_Continue;
-}
-static void analyzeAggregatesInSelectEnd(Walker *pWalker, Select *pSelect){
-  UNUSED_PARAMETER(pSelect);
-  pWalker->walkerDepth--;
-}

 /*
 ** Analyze the pExpr expression looking for aggregate functions and
@@ -5881,8 +5886,8 @@ static void analyzeAggregatesInSelectEnd(Walker *pWalker, Select *pSelect){
 void sqlite3ExprAnalyzeAggregates(NameContext *pNC, Expr *pExpr){
  Walker w;
  w.xExprCallback = analyzeAggregate;
-  w.xSelectCallback = analyzeAggregatesInSelect;
-  w.xSelectCallback2 = analyzeAggregatesInSelectEnd;
+  w.xSelectCallback = sqlite3WalkerDepthIncrease;
+  w.xSelectCallback2 = sqlite3WalkerDepthDecrease;
  w.walkerDepth = 0;
  w.u.pNC = pNC;
  w.pParse = 0;
@@ -1283,7 +1283,7 @@ static void replaceFunc(
          ** whose index is a power of two: 1, 2, 4, 8, 16, 32, ... */
          u8 *zOld;
          zOld = zOut;
-          zOut = sqlite3_realloc64(zOut, (int)nOut + (nOut - nStr - 1));
+          zOut = sqlite3Realloc(zOut, (int)nOut + (nOut - nStr - 1));
          if( zOut==0 ){
            sqlite3_result_error_nomem(context);
            sqlite3_free(zOld);
@@ -1980,7 +1980,7 @@ void sqlite3RegisterBuiltinFunctions(void){
    FUNCTION(upper,              1, 0, 0, upperFunc        ),
    FUNCTION(lower,              1, 0, 0, lowerFunc        ),
    FUNCTION(hex,                1, 0, 0, hexFunc          ),
-    INLINE_FUNC(ifnull,          2, INLINEFUNC_coalesce, SQLITE_FUNC_COALESCE),
+    INLINE_FUNC(ifnull,          2, INLINEFUNC_coalesce, 0 ),
    VFUNCTION(random,            0, 0, 0, randomFunc       ),
    VFUNCTION(randomblob,        1, 0, 0, randomBlob       ),
    FUNCTION(nullif,             2, 0, 1, nullifFunc       ),
@@ -2020,7 +2020,8 @@ void sqlite3RegisterBuiltinFunctions(void){
 #endif
    FUNCTION(coalesce,           1, 0, 0, 0                ),
    FUNCTION(coalesce,           0, 0, 0, 0                ),
-    INLINE_FUNC(coalesce,       -1, INLINEFUNC_coalesce, SQLITE_FUNC_COALESCE),
+    INLINE_FUNC(coalesce,       -1, INLINEFUNC_coalesce, 0 ),
+    INLINE_FUNC(iif,             3, INLINEFUNC_iif,      0 ),
  };
 #ifndef SQLITE_OMIT_ALTERTABLE
  sqlite3AlterFunctions();
@@ -1944,7 +1944,7 @@ void sqlite3GenerateConstraintChecks(
      sqlite3TableAffinity(v, pTab, regNewData+1);
      bAffinityDone = 1;
    }
-    VdbeNoopComment((v, "uniqueness check for %s", pIdx->zName));
+    VdbeNoopComment((v, "prep index %s", pIdx->zName));
    iThisCur = iIdxCur+ix;


@@ -313,6 +313,7 @@ int sqlite3_initialize(void){
    if( rc==SQLITE_OK ){
      sqlite3PCacheBufferSetup( sqlite3GlobalConfig.pPage, 
          sqlite3GlobalConfig.szPage, sqlite3GlobalConfig.nPage);
+      sqlite3MemoryBarrier();
      sqlite3GlobalConfig.isInit = 1;
 #ifdef SQLITE_EXTRA_INIT
      bRunExtraInit = 1;
@@ -3261,7 +3262,7 @@ static int openDatabase(
  testcase( (1<<(flags&7))==0x04 ); /* READWRITE */
  testcase( (1<<(flags&7))==0x40 ); /* READWRITE | CREATE */
  if( ((1<<(flags&7)) & 0x46)==0 ){
-    rc = SQLITE_MISUSE_BKPT;  /* IMP: R-65497-44594 */
+    rc = SQLITE_MISUSE_BKPT;  /* IMP: R-18321-05872 */
  }else{
    rc = sqlite3ParseUri(zVfs, zFilename, &flags, &db->pVfs, &zOpen, &zErrMsg);
  }
@@ -482,10 +482,12 @@ void *sqlite3Realloc(void *pOld, u64 nBytes){
      sqlite3MallocAlarm(nDiff);
    }
    pNew = sqlite3GlobalConfig.m.xRealloc(pOld, nNew);
+#ifdef SQLITE_ENABLE_MEMORY_MANAGEMENT
    if( pNew==0 && mem0.alarmThreshold>0 ){
      sqlite3MallocAlarm((int)nBytes);
      pNew = sqlite3GlobalConfig.m.xRealloc(pOld, nNew);
    }
+#endif
    if( pNew ){
      nNew = sqlite3MallocSize(pNew);
      sqlite3StatusUp(SQLITE_STATUS_MEMORY_USED, nNew-nOld);
@@ -670,7 +672,7 @@ static SQLITE_NOINLINE void *dbReallocFinish(sqlite3 *db, void *p, u64 n){
      assert( sqlite3MemdebugHasType(p, (MEMTYPE_LOOKASIDE|MEMTYPE_HEAP)) );
      assert( sqlite3MemdebugNoType(p, (u8)~(MEMTYPE_LOOKASIDE|MEMTYPE_HEAP)) );
      sqlite3MemdebugSetType(p, MEMTYPE_HEAP);
-      pNew = sqlite3_realloc64(p, n);
+      pNew = sqlite3Realloc(p, n);
      if( !pNew ){
        sqlite3OomFault(db);
      }
@@ -166,7 +166,7 @@ static int memdbEnlarge(MemFile *p, sqlite3_int64 newSz){
  }
  newSz *= 2;
  if( newSz>p->szMax ) newSz = p->szMax;
-  pNew = sqlite3_realloc64(p->aData, newSz);
+  pNew = sqlite3Realloc(p->aData, newSz);
  if( pNew==0 ) return SQLITE_NOMEM;
  p->aData = pNew;
  p->szAlloc = newSz;
@@ -613,10 +613,11 @@ int sqlite3MemdbInit(void){
  sqlite3_vfs *pLower = sqlite3_vfs_find(0);
  int sz = pLower->szOsFile;
  memdb_vfs.pAppData = pLower;
-  /* In all known configurations of SQLite, the size of a default
-  ** sqlite3_file is greater than the size of a memdb sqlite3_file.
-  ** Should that ever change, remove the following NEVER() */
-  if( NEVER(sz<sizeof(MemFile)) ) sz = sizeof(MemFile);
+  /* The following conditional can only be true when compiled for
+  ** Windows x86 and SQLITE_MAX_MMAP_SIZE=0.  We always leave
+  ** it in, to be safe, but it is marked as NO_TEST since there
+  ** is no way to reach it under most builds. */
+  if( sz<sizeof(MemFile) ) sz = sizeof(MemFile); /*NO_TEST*/
  memdb_vfs.szOsFile = sz;
  return sqlite3_vfs_register(&memdb_vfs, 0);
 }
@@ -3502,6 +3502,7 @@ static void winModeBit(winFile *pFile, unsigned char mask, int *pArg){
 /* Forward references to VFS helper methods used for temporary files */
 static int winGetTempname(sqlite3_vfs *, char **);
 static int winIsDir(const void *);
+static BOOL winIsLongPathPrefix(const char *);
 static BOOL winIsDriveLetterAndColon(const char *);

 /*
@@ -5271,7 +5272,9 @@ static int winOpen(
  if( isReadonly ){
    pFile->ctrlFlags |= WINFILE_RDONLY;
  }
-  if( sqlite3_uri_boolean(zName, "psow", SQLITE_POWERSAFE_OVERWRITE) ){
+  if( (flags & SQLITE_OPEN_MAIN_DB)
+   && sqlite3_uri_boolean(zName, "psow", SQLITE_POWERSAFE_OVERWRITE) 
+  ){
    pFile->ctrlFlags |= WINFILE_PSOW;
  }
  pFile->lastErrno = NO_ERROR;
@@ -5481,6 +5484,17 @@ static int winAccess(
  return SQLITE_OK;
 }

+/*
+** Returns non-zero if the specified path name starts with the "long path"
+** prefix.
+*/
+static BOOL winIsLongPathPrefix(
+  const char *zPathname
+){
+  return ( zPathname[0]=='\\' && zPathname[1]=='\\'
+        && zPathname[2]=='?'  && zPathname[3]=='\\' );
+}
+
 /*
 ** Returns non-zero if the specified path name starts with a drive letter
 ** followed by a colon character.
@@ -5545,10 +5559,11 @@ static int winFullPathname(
  char *zOut;
 #endif

-  /* If this path name begins with "/X:", where "X" is any alphabetic
-  ** character, discard the initial "/" from the pathname.
+  /* If this path name begins with "/X:" or "\\?\", where "X" is any
+  ** alphabetic character, discard the initial "/" from the pathname.
  */
-  if( zRelative[0]=='/' && winIsDriveLetterAndColon(zRelative+1) ){
+  if( zRelative[0]=='/' && (winIsDriveLetterAndColon(zRelative+1)
+       || winIsLongPathPrefix(zRelative+1)) ){
    zRelative++;
  }

@@ -194,6 +194,13 @@ static char *printfTempBuf(sqlite3_str *pAccum, sqlite3_int64 n){
 #endif
 #define etBUFSIZE SQLITE_PRINT_BUF_SIZE  /* Size of the output buffer */

+/*
+** Hard limit on the precision of floating-point conversions.
+*/
+#ifndef SQLITE_PRINTF_PRECISION_LIMIT
+# define SQLITE_FP_PRECISION_LIMIT 100000000
+#endif
+
 /*
 ** Render a string given by "fmt" into the StrAccum object.
 */
@@ -394,6 +401,8 @@ void sqlite3_str_vappendf(
    **   xtype                       The class of the conversion.
    **   infop                       Pointer to the appropriate info struct.
    */
+    assert( width>=0 );
+    assert( precision>=(-1) );
    switch( xtype ){
      case etPOINTER:
        flag_long = sizeof(char*)==sizeof(i64) ? 2 :
@@ -515,6 +524,11 @@ void sqlite3_str_vappendf(
        length = 0;
 #else
        if( precision<0 ) precision = 6;         /* Set default precision */
+#ifdef SQLITE_FP_PRECISION_LIMIT
+        if( precision>SQLITE_FP_PRECISION_LIMIT ){
+          precision = SQLITE_FP_PRECISION_LIMIT;
+        }
+#endif
        if( realvalue<0.0 ){
          realvalue = -realvalue;
          prefix = '-';
@@ -797,7 +811,7 @@ void sqlite3_str_vappendf(
        }
        isnull = escarg==0;
        if( isnull ) escarg = (xtype==etSQLESCAPE2 ? "NULL" : "(NULL)");
-        /* For %q, %Q, and %w, the precision is the number of byte (or
+        /* For %q, %Q, and %w, the precision is the number of bytes (or
        ** characters if the ! flags is present) to use from the input.
        ** Because of the extra quoting characters inserted, the number
        ** of output characters may be larger than the precision.
@@ -924,7 +938,7 @@ static int sqlite3StrAccumEnlarge(StrAccum *p, int N){
    if( p->db ){
      zNew = sqlite3DbRealloc(p->db, zOld, p->nAlloc);
    }else{
-      zNew = sqlite3_realloc64(zOld, p->nAlloc);
+      zNew = sqlite3Realloc(zOld, p->nAlloc);
    }
    if( zNew ){
      assert( p->zText!=0 || p->nChar==0 );
@@ -1266,7 +1280,7 @@ void sqlite3_log(int iErrCode, const char *zFormat, ...){
 void sqlite3DebugPrintf(const char *zFormat, ...){
  va_list ap;
  StrAccum acc;
-  char zBuf[500];
+  char zBuf[SQLITE_PRINT_BUF_SIZE*10];
  sqlite3StrAccumInit(&acc, 0, zBuf, sizeof(zBuf), 0);
  va_start(ap,zFormat);
  sqlite3_str_vappendf(&acc, zFormat, ap);
@@ -24,6 +24,8 @@
 **
 ** incrAggFunctionDepth(pExpr,n) is the main routine.  incrAggDepth(..)
 ** is a helper function - a callback for the tree walker.
+**
+** See also the sqlite3WindowExtraAggFuncDepth() routine in window.c
 */
 static int incrAggDepth(Walker *pWalker, Expr *pExpr){
  if( pExpr->op==TK_AGG_FUNCTION ) pExpr->op2 += pWalker->u.n;
@@ -5229,29 +5229,6 @@ static int selectExpander(Walker *pWalker, Select *p){
  return WRC_Continue;
 }

-/*
-** No-op routine for the parse-tree walker.
-**
-** When this routine is the Walker.xExprCallback then expression trees
-** are walked without any actions being taken at each node.  Presumably,
-** when this routine is used for Walker.xExprCallback then 
-** Walker.xSelectCallback is set to do something useful for every 
-** subquery in the parser tree.
-*/
-int sqlite3ExprWalkNoop(Walker *NotUsed, Expr *NotUsed2){
-  UNUSED_PARAMETER2(NotUsed, NotUsed2);
-  return WRC_Continue;
-}
-
-/*
-** No-op routine for the parse-tree walker for SELECT statements.
-** subquery in the parser tree.
-*/
-int sqlite3SelectWalkNoop(Walker *NotUsed, Select *NotUsed2){
-  UNUSED_PARAMETER2(NotUsed, NotUsed2);
-  return WRC_Continue;
-}
-
 #if SQLITE_DEBUG
 /*
 ** Always assert.  This xSelectCallback2 implementation proves that the
@@ -6422,7 +6399,7 @@ int sqlite3Select(
 #if SELECTTRACE_ENABLED
    if( sqlite3SelectTrace & 0x400 ){
      int ii;
-      SELECTTRACE(0x400,pParse,p,("After aggregate analysis:\n"));
+      SELECTTRACE(0x400,pParse,p,("After aggregate analysis %p:\n", &sAggInfo));
      sqlite3TreeViewSelect(0, p, 0);
      for(ii=0; ii<sAggInfo.nColumn; ii++){
        sqlite3DebugPrintf("agg-column[%d] iMem=%d\n",
@@ -6698,13 +6675,15 @@ int sqlite3Select(
        ** passed to keep OP_OpenRead happy.
        */
        if( !HasRowid(pTab) ) pBest = sqlite3PrimaryKeyIndex(pTab);
-        for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){
-          if( pIdx->bUnordered==0
-           && pIdx->szIdxRow<pTab->szTabRow
-           && pIdx->pPartIdxWhere==0
-           && (!pBest || pIdx->szIdxRow<pBest->szIdxRow)
-          ){
-            pBest = pIdx;
+        if( !p->pSrc->a[0].fg.notIndexed ){
+          for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){
+            if( pIdx->bUnordered==0
+             && pIdx->szIdxRow<pTab->szTabRow
+             && pIdx->pPartIdxWhere==0
+             && (!pBest || pIdx->szIdxRow<pBest->szIdxRow)
+            ){
+              pBest = pIdx;
+            }
          }
        }
        if( pBest ){
@@ -5495,7 +5495,7 @@ void sqlite3_value_free(sqlite3_value*);
 **
 ** ^(The amount of space allocated by sqlite3_aggregate_context(C,N) is
 ** determined by the N parameter on first successful call.  Changing the
-** value of N in any subsequents call to sqlite3_aggregate_context() within
+** value of N in any subsequent call to sqlite3_aggregate_context() within
 ** the same aggregate function instance will not resize the memory
 ** allocation.)^  Within the xFinal callback, it is customary to set
 ** N=0 in calls to sqlite3_aggregate_context(C,N) so that no 
@@ -1764,7 +1764,7 @@ struct FuncDestructor {
 #define SQLITE_FUNC_LENGTH   0x0040 /* Built-in length() function */
 #define SQLITE_FUNC_TYPEOF   0x0080 /* Built-in typeof() function */
 #define SQLITE_FUNC_COUNT    0x0100 /* Built-in count(*) aggregate */
-#define SQLITE_FUNC_COALESCE 0x0200 /* Built-in coalesce() or ifnull() */
+/*                           0x0200 -- available for reuse */
 #define SQLITE_FUNC_UNLIKELY 0x0400 /* Built-in unlikely() function */
 #define SQLITE_FUNC_CONSTANT 0x0800 /* Constant inputs give a constant output */
 #define SQLITE_FUNC_MINMAX   0x1000 /* True for min() and max() aggregates */
@@ -1785,6 +1785,7 @@ struct FuncDestructor {
 #define INLINEFUNC_expr_implies_expr    2
 #define INLINEFUNC_expr_compare         3      
 #define INLINEFUNC_affinity             4
+#define INLINEFUNC_iif                  5
 #define INLINEFUNC_unlikely            99  /* Default case */

 /*
@@ -2485,7 +2486,7 @@ struct Token {
 ** code for a SELECT that contains aggregate functions.
 **
 ** If Expr.op==TK_AGG_COLUMN or TK_AGG_FUNCTION then Expr.pAggInfo is a
-** pointer to this structure.  The Expr.iColumn field is the index in
+** pointer to this structure.  The Expr.iAgg field is the index in
 ** AggInfo.aCol[] or AggInfo.aFunc[] of information needed to generate
 ** code for that node.
 **
@@ -3724,6 +3725,9 @@ int sqlite3WalkSelectFrom(Walker*, Select*);
 int sqlite3ExprWalkNoop(Walker*, Expr*);
 int sqlite3SelectWalkNoop(Walker*, Select*);
 int sqlite3SelectWalkFail(Walker*, Select*);
+int sqlite3WalkerDepthIncrease(Walker*,Select*);
+void sqlite3WalkerDepthDecrease(Walker*,Select*);
+
 #ifdef SQLITE_DEBUG
 void sqlite3SelectWalkAssert2(Walker*, Select*);
 #endif
@@ -4709,8 +4713,10 @@ void sqlite3AutoLoadExtensions(sqlite3*);
 int sqlite3ReadOnlyShadowTables(sqlite3 *db);
 #ifndef SQLITE_OMIT_VIRTUALTABLE
  int sqlite3ShadowTableName(sqlite3 *db, const char *zName);
+  int sqlite3IsShadowTableOf(sqlite3*,Table*,const char*);
 #else
 # define sqlite3ShadowTableName(A,B) 0
+# define sqlite3IsShadowTableOf(A,B,C) 0
 #endif
 int sqlite3VtabEponymousTableInit(Parse*,Module*);
 void sqlite3VtabEponymousTableClear(sqlite3*,Module*);
@@ -56,7 +56,7 @@ static int sqlite3_get_table_cb(void *pArg, int nCol, char **argv, char **colv){
  if( p->nData + need > p->nAlloc ){
    char **azNew;
    p->nAlloc = p->nAlloc*2 + need;
-    azNew = sqlite3_realloc64( p->azResult, sizeof(char*)*p->nAlloc );
+    azNew = sqlite3Realloc( p->azResult, sizeof(char*)*p->nAlloc );
    if( azNew==0 ) goto malloc_failed;
    p->azResult = azNew;
  }
@@ -165,7 +165,7 @@ int sqlite3_get_table(
  }
  if( res.nAlloc>res.nData ){
    char **azNew;
-    azNew = sqlite3_realloc64( res.azResult, sizeof(char*)*res.nData );
+    azNew = sqlite3Realloc( res.azResult, sizeof(char*)*res.nData );
    if( azNew==0 ){
      sqlite3_free_table(&res.azResult[1]);
      db->errCode = SQLITE_NOMEM;
@@ -3699,6 +3699,7 @@ static int SQLITE_TCLAPI DbMain(
  const char *zFile = 0;
  const char *zVfs = 0;
  int flags;
+  int bTranslateFileName = 1;
  Tcl_DString translatedFilename;
  int rc;

@@ -3796,6 +3797,10 @@ static int SQLITE_TCLAPI DbMain(
      }else{
        flags &= ~SQLITE_OPEN_URI;
      }
+    }else if( strcmp(zArg, "-translatefilename")==0 ){
+      if( Tcl_GetBooleanFromObj(interp, objv[i], &bTranslateFileName) ){
+        return TCL_ERROR;
+      }
    }else{
      Tcl_AppendResult(interp, "unknown option: ", zArg, (char*)0);
      return TCL_ERROR;
@@ -3805,9 +3810,13 @@ static int SQLITE_TCLAPI DbMain(
  p = (SqliteDb*)Tcl_Alloc( sizeof(*p) );
  memset(p, 0, sizeof(*p));
  if( zFile==0 ) zFile = "";
-  zFile = Tcl_TranslateFileName(interp, zFile, &translatedFilename);
+  if( bTranslateFileName ){
+    zFile = Tcl_TranslateFileName(interp, zFile, &translatedFilename);
+  }
  rc = sqlite3_open_v2(zFile, &p->db, flags, zVfs);
-  Tcl_DStringFree(&translatedFilename);
+  if( bTranslateFileName ){
+    Tcl_DStringFree(&translatedFilename);
+  }
  if( p->db ){
    if( SQLITE_OK!=sqlite3_errcode(p->db) ){
      zErrMsg = sqlite3_mprintf("%s", sqlite3_errmsg(p->db));
@@ -582,8 +582,9 @@ void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 moreToFollow){
 #endif 
      }
      if( pExpr->op==TK_AGG_FUNCTION ){
-        sqlite3TreeViewLine(pView, "AGG_FUNCTION%d %Q%s",
-                             pExpr->op2, pExpr->u.zToken, zFlgs);
+        sqlite3TreeViewLine(pView, "AGG_FUNCTION%d %Q%s iAgg=%d agg=%p",
+                             pExpr->op2, pExpr->u.zToken, zFlgs,
+                             pExpr->iAgg, pExpr->pAggInfo);
      }else if( pExpr->op2!=0 ){
        const char *zOp2;
        char zBuf[8];
@@ -53,10 +53,10 @@ static void updateVirtualTable(
 ** function is capable of transforming these types of expressions into
 ** sqlite3_value objects.
 **
-** If parameter iReg is not negative, code an OP_RealAffinity instruction
-** on register iReg. This is used when an equivalent integer value is 
-** stored in place of an 8-byte floating point value in order to save 
-** space.
+** If column as REAL affinity and the table is an ordinary b-tree table
+** (not a virtual table) then the value might have been stored as an
+** integer.  In that case, add an OP_RealAffinity opcode to make sure
+** it has been converted into REAL.
 */
 void sqlite3ColumnDefault(Vdbe *v, Table *pTab, int i, int iReg){
  assert( pTab!=0 );
@@ -73,7 +73,7 @@ void sqlite3ColumnDefault(Vdbe *v, Table *pTab, int i, int iReg){
    }
  }
 #ifndef SQLITE_OMIT_FLOATING_POINT
-  if( pTab->aCol[i].affinity==SQLITE_AFF_REAL ){
+  if( pTab->aCol[i].affinity==SQLITE_AFF_REAL && !IsVirtual(pTab) ){
    sqlite3VdbeAddOp1(v, OP_RealAffinity, iReg);
  }
 #endif
@@ -284,6 +284,7 @@ SQLITE_NOINLINE int sqlite3VdbeMemTranslate(Mem *pMem, u8 desiredEnc){
        c = *(zIn++);
        c += (*(zIn++))<<8;
        if( c>=0xd800 && c<0xe000 ){
+#ifdef SQLITE_REPLACE_INVALID_UTF
          if( c>=0xdc00 || zIn>=zTerm ){
            c = 0xfffd;
          }else{
@@ -296,6 +297,13 @@ SQLITE_NOINLINE int sqlite3VdbeMemTranslate(Mem *pMem, u8 desiredEnc){
              c = ((c&0x3ff)<<10) + (c2&0x3ff) + 0x10000;
            }
          }
+#else
+          if( zIn<zTerm ){
+            int c2 = (*zIn++);
+            c2 += ((*zIn++)<<8);
+            c = (c2&0x03FF) + ((c&0x003F)<<10) + (((c&0x03C0)+0x0040)<<10);
+          }
+#endif
        }
        WRITE_UTF8(z, c);
      }
@@ -305,6 +313,7 @@ SQLITE_NOINLINE int sqlite3VdbeMemTranslate(Mem *pMem, u8 desiredEnc){
        c = (*(zIn++))<<8;
        c += *(zIn++);
        if( c>=0xd800 && c<0xe000 ){
+#ifdef SQLITE_REPLACE_INVALID_UTF
          if( c>=0xdc00 || zIn>=zTerm ){
            c = 0xfffd;
          }else{
@@ -317,6 +326,13 @@ SQLITE_NOINLINE int sqlite3VdbeMemTranslate(Mem *pMem, u8 desiredEnc){
              c = ((c&0x3ff)<<10) + (c2&0x3ff) + 0x10000;
            }
          }
+#else
+          if( zIn<zTerm ){
+            int c2 = ((*zIn++)<<8);
+            c2 += (*zIn++);
+            c = (c2&0x03FF) + ((c&0x003F)<<10) + (((c&0x03C0)+0x0040)<<10);
+          }
+#endif
        }
        WRITE_UTF8(z, c);
      }
@@ -702,6 +702,8 @@ int sqlite3VdbeExec(
    goto no_mem;
  }
  assert( p->rc==SQLITE_OK || (p->rc&0xff)==SQLITE_BUSY );
+  testcase( p->rc!=SQLITE_OK );
+  p->rc = SQLITE_OK;
  assert( p->bIsReader || p->readOnly!=0 );
  p->iCurrentTime = 0;
  assert( p->explain==0 );
@@ -1355,7 +1355,7 @@ static int vdbeUnbind(Vdbe *p, int i){
  /* If the bit corresponding to this variable in Vdbe.expmask is set, then 
  ** binding a new value to this variable invalidates the current query plan.
  **
-  ** IMPLEMENTATION-OF: R-48440-37595 If the specific value bound to host
+  ** IMPLEMENTATION-OF: R-57496-20354 If the specific value bound to a host
  ** parameter in the WHERE clause might influence the choice of query plan
  ** for a statement, then the statement will be automatically recompiled,
  ** as if there had been a schema change, on the first sqlite3_step() call
@@ -1836,6 +1836,7 @@ void sqlite3VdbePrintOp(FILE *pOut, int pc, VdbeOp *pOp){
  sqlite3 dummyDb;
  static const char *zFormat1 = "%4d %-13s %4d %4d %4d %-13s %.2X %s\n";
  if( pOut==0 ) pOut = stdout;
+  sqlite3BeginBenignMalloc();
  dummyDb.mallocFailed = 1;
  zP4 = sqlite3VdbeDisplayP4(&dummyDb, pOp);
 #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS
@@ -1854,6 +1855,7 @@ void sqlite3VdbePrintOp(FILE *pOut, int pc, VdbeOp *pOp){
  fflush(pOut);
  sqlite3_free(zP4);
  sqlite3_free(zCom);
+  sqlite3EndBenignMalloc();
 }
 #endif

@@ -13,8 +13,8 @@
 ** This file implements virtual-tables for examining the bytecode content
 ** of a prepared statement.
 */
-#ifdef SQLITE_ENABLE_BYTECODE_VTAB
 #include "sqliteInt.h"
+#if defined(SQLITE_ENABLE_BYTECODE_VTAB) && !defined(SQLITE_OMIT_VIRTUALTABLE)
 #include "vdbeInt.h"

 /* An instance of the bytecode() table-valued function.
@@ -419,4 +419,6 @@ int sqlite3VdbeBytecodeVtabInit(sqlite3 *db){
  }
  return rc;
 }
+#elif defined(SQLITE_ENABLE_BYTECODE_VTAB)
+int sqlite3VdbeBytecodeVtabInit(sqlite3 *db){ return SQLITE_OK; }
 #endif /* SQLITE_ENABLE_BYTECODE_VTAB */
@@ -1177,7 +1177,7 @@ void sqlite3VtabMakeWritable(Parse *pParse, Table *pTab){
    if( pTab==pToplevel->apVtabLock[i] ) return;
  }
  n = (pToplevel->nVtabLock+1)*sizeof(pToplevel->apVtabLock[0]);
-  apVtabLock = sqlite3_realloc64(pToplevel->apVtabLock, n);
+  apVtabLock = sqlite3Realloc(pToplevel->apVtabLock, n);
  if( apVtabLock ){
    pToplevel->apVtabLock = apVtabLock;
    pToplevel->apVtabLock[pToplevel->nVtabLock++] = pTab;
@@ -568,7 +568,7 @@ static SQLITE_NOINLINE int walIndexPageRealloc(
  if( pWal->nWiData<=iPage ){
    sqlite3_int64 nByte = sizeof(u32*)*(iPage+1);
    volatile u32 **apNew;
-    apNew = (volatile u32 **)sqlite3_realloc64((void *)pWal->apWiData, nByte);
+    apNew = (volatile u32 **)sqlite3Realloc((void *)pWal->apWiData, nByte);
    if( !apNew ){
      *ppPage = 0;
      return SQLITE_NOMEM_BKPT;
@@ -689,18 +689,35 @@ static void walChecksumBytes(
  aOut[1] = s2;
 }

+/*
+** If there is the possibility of concurrent access to the SHM file
+** from multiple threads and/or processes, then do a memory barrier.
+*/
 static void walShmBarrier(Wal *pWal){
  if( pWal->exclusiveMode!=WAL_HEAPMEMORY_MODE ){
    sqlite3OsShmBarrier(pWal->pDbFd);
  }
 }

+/*
+** Add the SQLITE_NO_TSAN as part of the return-type of a function
+** definition as a hint that the function contains constructs that
+** might give false-positive TSAN warnings.
+**
+** See tag-20200519-1.
+*/
+#if defined(__clang__) && !defined(SQLITE_NO_TSAN)
+# define SQLITE_NO_TSAN __attribute__((no_sanitize_thread))
+#else
+# define SQLITE_NO_TSAN
+#endif
+
 /*
 ** Write the header information in pWal->hdr into the wal-index.
 **
 ** The checksum on pWal->hdr is updated before it is written.
 */
-static void walIndexWriteHdr(Wal *pWal){
+static SQLITE_NO_TSAN void walIndexWriteHdr(Wal *pWal){
  volatile WalIndexHdr *aHdr = walIndexHdr(pWal);
  const int nCksum = offsetof(WalIndexHdr, aCksum);

@@ -708,6 +725,7 @@ static void walIndexWriteHdr(Wal *pWal){
  pWal->hdr.isInit = 1;
  pWal->hdr.iVersion = WALINDEX_MAX_VERSION;
  walChecksumBytes(1, (u8*)&pWal->hdr, nCksum, 0, pWal->hdr.aCksum);
+  /* Possible TSAN false-positive.  See tag-20200519-1 */
  memcpy((void*)&aHdr[1], (const void*)&pWal->hdr, sizeof(WalIndexHdr));
  walShmBarrier(pWal);
  memcpy((void*)&aHdr[0], (const void*)&pWal->hdr, sizeof(WalIndexHdr));
@@ -1822,7 +1840,7 @@ static void walRestartHdr(Wal *pWal, u32 salt1){
  sqlite3Put4byte((u8*)&aSalt[0], 1 + sqlite3Get4byte((u8*)&aSalt[0]));
  memcpy(&pWal->hdr.aSalt[1], &salt1, 4);
  walIndexWriteHdr(pWal);
-  pInfo->nBackfill = 0;
+  AtomicStore(&pInfo->nBackfill, 0);
  pInfo->nBackfillAttempted = 0;
  pInfo->aReadMark[1] = 0;
  for(i=2; i<WAL_NREADER; i++) pInfo->aReadMark[i] = READMARK_NOT_USED;
@@ -1897,32 +1915,13 @@ static int walCheckpoint(
    mxSafeFrame = pWal->hdr.mxFrame;
    mxPage = pWal->hdr.nPage;
    for(i=1; i<WAL_NREADER; i++){
-      /* Thread-sanitizer reports that the following is an unsafe read,
-      ** as some other thread may be in the process of updating the value
-      ** of the aReadMark[] slot. The assumption here is that if that is
-      ** happening, the other client may only be increasing the value,
-      ** not decreasing it. So assuming either that either the "old" or
-      ** "new" version of the value is read, and not some arbitrary value
-      ** that would never be written by a real client, things are still 
-      ** safe.
-      **
-      ** Astute readers have pointed out that the assumption stated in the
-      ** last sentence of the previous paragraph is not guaranteed to be
-      ** true for all conforming systems.  However, the assumption is true
-      ** for all compilers and architectures in common use today (circa
-      ** 2019-11-27) and the alternatives are both slow and complex, and
-      ** so we will continue to go with the current design for now.  If this
-      ** bothers you, or if you really are running on a system where aligned
-      ** 32-bit reads and writes are not atomic, then you can simply avoid
-      ** the use of WAL mode, or only use WAL mode together with
-      ** PRAGMA locking_mode=EXCLUSIVE and all will be well.
-      */
-      u32 y = pInfo->aReadMark[i];
+      u32 y = AtomicLoad(pInfo->aReadMark+i);
      if( mxSafeFrame>y ){
        assert( y<=pWal->hdr.mxFrame );
        rc = walBusyLock(pWal, xBusy, pBusyArg, WAL_READ_LOCK(i), 1);
        if( rc==SQLITE_OK ){
-          pInfo->aReadMark[i] = (i==1 ? mxSafeFrame : READMARK_NOT_USED);
+          u32 iMark = (i==1 ? mxSafeFrame : READMARK_NOT_USED);
+          AtomicStore(pInfo->aReadMark+i, iMark);
          walUnlockExclusive(pWal, WAL_READ_LOCK(i), 1);
        }else if( rc==SQLITE_BUSY ){
          mxSafeFrame = y;
@@ -1940,7 +1939,7 @@ static int walCheckpoint(
    }

    if( pIter
-     && (rc = walBusyLock(pWal, xBusy, pBusyArg, WAL_READ_LOCK(0),1))==SQLITE_OK
+     && (rc = walBusyLock(pWal,xBusy,pBusyArg,WAL_READ_LOCK(0),1))==SQLITE_OK
    ){
      u32 nBackfill = pInfo->nBackfill;

@@ -1996,7 +1995,7 @@ static int walCheckpoint(
          }
        }
        if( rc==SQLITE_OK ){
-          pInfo->nBackfill = mxSafeFrame;
+          AtomicStore(&pInfo->nBackfill, mxSafeFrame);
        }
      }

@@ -2155,7 +2154,7 @@ int sqlite3WalClose(
 ** If the checksum cannot be verified return non-zero. If the header
 ** is read successfully and the checksum verified, return zero.
 */
-static int walIndexTryHdr(Wal *pWal, int *pChanged){
+static SQLITE_NO_TSAN int walIndexTryHdr(Wal *pWal, int *pChanged){
  u32 aCksum[2];                  /* Checksum on the header content */
  WalIndexHdr h1, h2;             /* Two copies of the header content */
  WalIndexHdr volatile *aHdr;     /* Header in shared memory */
@@ -2168,13 +2167,19 @@ static int walIndexTryHdr(Wal *pWal, int *pChanged){
  ** meaning it is possible that an inconsistent snapshot is read
  ** from the file. If this happens, return non-zero.
  **
+  ** tag-20200519-1:
  ** There are two copies of the header at the beginning of the wal-index.
  ** When reading, read [0] first then [1].  Writes are in the reverse order.
  ** Memory barriers are used to prevent the compiler or the hardware from
-  ** reordering the reads and writes.
+  ** reordering the reads and writes.  TSAN and similar tools can sometimes
+  ** give false-positive warnings about these accesses because the tools do not
+  ** account for the double-read and the memory barrier. The use of mutexes
+  ** here would be problematic as the memory being accessed is potentially
+  ** shared among multiple processes and not all mutex implementions work
+  ** reliably in that environment.
  */
  aHdr = walIndexHdr(pWal);
-  memcpy(&h1, (void *)&aHdr[0], sizeof(h1));
+  memcpy(&h1, (void *)&aHdr[0], sizeof(h1)); /* Possible TSAN false-positive */
  walShmBarrier(pWal);
  memcpy(&h2, (void *)&aHdr[1], sizeof(h2));

@@ -2619,7 +2624,7 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){
  assert( pWal->nWiData>0 );
  assert( pWal->apWiData[0]!=0 );
  pInfo = walCkptInfo(pWal);
-  if( !useWal && pInfo->nBackfill==pWal->hdr.mxFrame
+  if( !useWal && AtomicLoad(&pInfo->nBackfill)==pWal->hdr.mxFrame
 #ifdef SQLITE_ENABLE_SNAPSHOT
   && (pWal->pSnapshot==0 || pWal->hdr.mxFrame==0)
 #endif
@@ -2786,7 +2791,7 @@ int sqlite3WalSnapshotRecover(Wal *pWal){
        rc = SQLITE_NOMEM;
      }else{
        u32 i = pInfo->nBackfillAttempted;
-        for(i=pInfo->nBackfillAttempted; i>pInfo->nBackfill; i--){
+        for(i=pInfo->nBackfillAttempted; i>AtomicLoad(&pInfo->nBackfill); i--){
          WalHashLoc sLoc;          /* Hash table location */
          u32 pgno;                 /* Page number in db file */
          i64 iDbOff;               /* Offset of db file entry */
@@ -2841,12 +2846,14 @@ int sqlite3WalSnapshotRecover(Wal *pWal){
 int sqlite3WalBeginReadTransaction(Wal *pWal, int *pChanged){
  int rc;                         /* Return code */
  int cnt = 0;                    /* Number of TryBeginRead attempts */
+#ifdef SQLITE_ENABLE_SNAPSHOT
+  int bChanged = 0;
+  WalIndexHdr *pSnapshot = pWal->pSnapshot;
+#endif

  assert( pWal->ckptLock==0 );

 #ifdef SQLITE_ENABLE_SNAPSHOT
-  int bChanged = 0;
-  WalIndexHdr *pSnapshot = pWal->pSnapshot;
  if( pSnapshot ){
    if( memcmp(pSnapshot, &pWal->hdr, sizeof(WalIndexHdr))!=0 ){
      bChanged = 1;
@@ -3015,14 +3022,15 @@ int sqlite3WalFindFrame(
    int iKey;                     /* Hash slot index */
    int nCollide;                 /* Number of hash collisions remaining */
    int rc;                       /* Error code */
+    u32 iH;

    rc = walHashGet(pWal, iHash, &sLoc);
    if( rc!=SQLITE_OK ){
      return rc;
    }
    nCollide = HASHTABLE_NSLOT;
-    for(iKey=walHash(pgno); sLoc.aHash[iKey]; iKey=walNextHash(iKey)){
-      u32 iH = sLoc.aHash[iKey];
+    iKey = walHash(pgno);
+    while( (iH = AtomicLoad(&sLoc.aHash[iKey]))!=0 ){
      u32 iFrame = iH + sLoc.iZero;
      if( iFrame<=iLast && iFrame>=pWal->minFrame && sLoc.aPgno[iH]==pgno ){
        assert( iFrame>iRead || CORRUPT_DB );
@@ -3031,6 +3039,7 @@ int sqlite3WalFindFrame(
      if( (nCollide--)==0 ){
        return SQLITE_CORRUPT_BKPT;
      }
+      iKey = walNextHash(iKey);
    }
    if( iRead ) break;
  }
@@ -207,3 +207,40 @@ int sqlite3WalkSelect(Walker *pWalker, Select *p){
  }while( p!=0 );
  return WRC_Continue;
 }
+
+/* Increase the walkerDepth when entering a subquery, and
+** descrease when leaving the subquery.
+*/
+int sqlite3WalkerDepthIncrease(Walker *pWalker, Select *pSelect){
+  UNUSED_PARAMETER(pSelect);
+  pWalker->walkerDepth++;
+  return WRC_Continue;
+}
+void sqlite3WalkerDepthDecrease(Walker *pWalker, Select *pSelect){
+  UNUSED_PARAMETER(pSelect);
+  pWalker->walkerDepth--;
+}
+
+
+/*
+** No-op routine for the parse-tree walker.
+**
+** When this routine is the Walker.xExprCallback then expression trees
+** are walked without any actions being taken at each node.  Presumably,
+** when this routine is used for Walker.xExprCallback then 
+** Walker.xSelectCallback is set to do something useful for every 
+** subquery in the parser tree.
+*/
+int sqlite3ExprWalkNoop(Walker *NotUsed, Expr *NotUsed2){
+  UNUSED_PARAMETER2(NotUsed, NotUsed2);
+  return WRC_Continue;
+}
+
+/*
+** No-op routine for the parse-tree walker for SELECT statements.
+** subquery in the parser tree.
+*/
+int sqlite3SelectWalkNoop(Walker *NotUsed, Select *NotUsed2){
+  UNUSED_PARAMETER2(NotUsed, NotUsed2);
+  return WRC_Continue;
+}
@@ -895,13 +895,19 @@ static ExprList *exprListAppendList(
    int i;
    int nInit = pList ? pList->nExpr : 0;
    for(i=0; i<pAppend->nExpr; i++){
-      int iDummy;
      Expr *pDup = sqlite3ExprDup(pParse->db, pAppend->a[i].pExpr, 0);
      assert( pDup==0 || !ExprHasProperty(pDup, EP_MemToken) );
-      if( bIntToNull && pDup && sqlite3ExprIsInteger(pDup, &iDummy) ){
-        pDup->op = TK_NULL;
-        pDup->flags &= ~(EP_IntValue|EP_IsTrue|EP_IsFalse);
-        pDup->u.zToken = 0;
+      if( bIntToNull && pDup ){
+        int iDummy;
+        Expr *pSub;
+        for(pSub=pDup; ExprHasProperty(pSub, EP_Skip); pSub=pSub->pLeft){
+          assert( pSub );
+        }
+        if( sqlite3ExprIsInteger(pSub, &iDummy) ){
+          pSub->op = TK_NULL;
+          pSub->flags &= ~(EP_IntValue|EP_IsTrue|EP_IsFalse);
+          pSub->u.zToken = 0;
+        }
      }
      pList = sqlite3ExprListAppend(pParse, pList, pDup);
      if( pList ) pList->a[nInit+i].sortFlags = pAppend->a[i].sortFlags;
@@ -910,6 +916,23 @@ static ExprList *exprListAppendList(
  return pList;
 }

+/*
+** When rewriting a query, if the new subquery in the FROM clause
+** contains TK_AGG_FUNCTION nodes that refer to an outer query,
+** then we have to increase the Expr->op2 values of those nodes
+** due to the extra subquery layer that was added.
+**
+** See also the incrAggDepth() routine in resolve.c
+*/
+static int sqlite3WindowExtraAggFuncDepth(Walker *pWalker, Expr *pExpr){
+  if( pExpr->op==TK_AGG_FUNCTION
+   && pExpr->op2>=pWalker->walkerDepth
+  ){
+    pExpr->op2++;
+  }
+  return WRC_Continue;
+}
+
 /*
 ** If the SELECT statement passed as the second argument does not invoke
 ** any SQL window functions, this function is a no-op. Otherwise, it 
@@ -1019,6 +1042,7 @@ int sqlite3WindowRewrite(Parse *pParse, Select *p){
    p->pSrc = sqlite3SrcListAppend(pParse, 0, 0, 0);
    if( p->pSrc ){
      Table *pTab2;
+      Walker w;
      p->pSrc->a[0].pSelect = pSub;
      sqlite3SrcListAssignCursors(pParse, p->pSrc);
      pSub->selFlags |= SF_Expanded;
@@ -1034,6 +1058,11 @@ int sqlite3WindowRewrite(Parse *pParse, Select *p){
        pTab->tabFlags |= TF_Ephemeral;
        p->pSrc->a[0].pTab = pTab;
        pTab = pTab2;
+        memset(&w, 0, sizeof(w));
+        w.xExprCallback = sqlite3WindowExtraAggFuncDepth;
+        w.xSelectCallback = sqlite3WalkerDepthIncrease;
+        w.xSelectCallback2 = sqlite3WalkerDepthDecrease;
+        sqlite3WalkSelect(&w, pSub);
      }
    }else{
      sqlite3SelectDelete(db, pSub);
@@ -840,6 +840,7 @@ do_test alter-13.3 {
 do_test alter-14.1 {
  catchsql {
    CREATE TABLE t3651(a UNIQUE);
+    INSERT INTO t3651 VALUES(5);
    ALTER TABLE t3651 ADD COLUMN b UNIQUE;
  }
 } {1 {Cannot add a UNIQUE column}}
@@ -116,6 +116,7 @@ do_test alter3-1.99 {
 do_test alter3-2.1 {
  execsql {
    CREATE TABLE t1(a, b);
+    INSERT INTO t1 VALUES(1,2);
  }
  catchsql {
    ALTER TABLE t1 ADD c PRIMARY KEY;
@@ -123,6 +123,7 @@ do_test alter4-1.99 {
 do_test alter4-2.1 {
  execsql {
    CREATE TABLE temp.t1(a, b);
+    INSERT INTO t1 VALUES(1,2);
  }
  catchsql {
    ALTER TABLE t1 ADD c PRIMARY KEY;
@@ -397,6 +398,7 @@ do_test alter4-10.1 {
 reset_db
 do_execsql_test alter4-11.0 {
  CREATE TABLE t1(c INTEGER PRIMARY KEY, d);
+  INSERT INTO t1(c,d) VALUES(1,2);
  PRAGMA foreign_keys = on;
  ALTER TABLE t1 ADD COLUMN e;
 }
@@ -196,4 +196,42 @@ do_catchsql_test count-6.1 {
  SELECT count(DISTINCT) FROM t6 GROUP BY x;
 } {1 {DISTINCT aggregates must have exactly one argument}}

+# 2020-05-08.
+# The count() optimization should honor the NOT INDEXED clause
+#
+reset_db
+do_execsql_test count-7.1 {
+  CREATE TABLE t1(a INTEGER PRIMARY KEY, b INT, c VARCHAR(1000));
+  CREATE INDEX t1b ON t1(b);
+  INSERT INTO t1(a,b,c) values(1,2,'count.test cases for NOT INDEXED');
+  ANALYZE;
+  UPDATE sqlite_stat1 SET stat='1000000 10' WHERE idx='t1b';
+  ANALYZE sqlite_master;
+}
+do_eqp_test count-7.2 {
+  SELECT count(1) FROM t1;
+} {
+  QUERY PLAN
+  `--SCAN TABLE t1 USING COVERING INDEX t1b
+}
+do_eqp_test count-7.3 {
+  SELECT count(1) FROM t1 NOT INDEXED
+} {
+  QUERY PLAN
+  `--SCAN TABLE t1
+}
+do_eqp_test count-7.3 {
+  SELECT count(*) FROM t1;
+} {
+  QUERY PLAN
+  `--SCAN TABLE t1 USING COVERING INDEX t1b
+}
+do_eqp_test count-7.4 {
+  SELECT count(*) FROM t1 NOT INDEXED
+} {
+  QUERY PLAN
+  `--SCAN TABLE t1
+}
+
+
 finish_test
@@ -69,7 +69,7 @@ do_test 1.2 {
  p5_of_opcode db OpenRead {
     SELECT * FROM t1 CROSS JOIN t2 WHERE a=x
  }
-} {00 00}
+} {0 0}

 # Do the same test the other way around.
 #
@@ -82,7 +82,7 @@ do_test 2.2 {
  p5_of_opcode db OpenRead {
     SELECT * FROM t2 CROSS JOIN t1 WHERE a=x
  }
-} {00 00}
+} {0 0}

 # Various expressions captured by CursorHint
 #
@@ -117,7 +117,7 @@ do_test 4.2 {
  p5_of_opcode db OpenRead {
    SELECT * FROM t1 WHERE b>11;
  }
-} {02 00}
+} {2 0}
 do_test 4.3asc {
  p4_of_opcode db CursorHint {
    SELECT c FROM t1 WHERE b<11 ORDER BY b ASC;
@@ -132,7 +132,7 @@ do_test 4.4 {
  p5_of_opcode db OpenRead {
    SELECT c FROM t1 WHERE b<11;
  }
-} {00}
+} {0}

 do_test 4.5asc {
  p4_of_opcode db CursorHint {
@@ -1139,7 +1139,7 @@ sqlite3 db test.db
 #-------------------------------------------------------------------------
 # Test cases for the testable statements related to the CASE expression.
 #
-# EVIDENCE-OF: R-15199-61389 There are two basic forms of the CASE
+# EVIDENCE-OF: R-57495-24088 There are two fundamental forms of the CASE
 # expression: those with a base expression and those without.
 #
 do_execsql_test e_expr-20.1 {
@@ -1235,11 +1235,11 @@ db nullvalue {}
 # evaluating WHEN terms.
 #
 do_execsql_test e_expr-21.4.1 {
-  SELECT CASE WHEN NULL THEN 'A' WHEN 1 THEN 'B' END
-} {B}
+  SELECT CASE WHEN NULL THEN 'A' WHEN 1 THEN 'B' END, iif(NULL,8,99);
+} {B 99}
 do_execsql_test e_expr-21.4.2 {
-  SELECT CASE WHEN 0 THEN 'A' WHEN NULL THEN 'B' ELSE 'C' END
-} {C}
+  SELECT CASE WHEN 0 THEN 'A' WHEN NULL THEN 'B' ELSE 'C' END, iif(0,8,99);
+} {C 99}

 # EVIDENCE-OF: R-38620-19499 In a CASE with a base expression, the base
 # expression is evaluated just once and the result is compared against
@@ -1952,39 +1952,39 @@ foreach {tn expr} {
 # 'english' and '0' are all considered to be false.
 #
 do_execsql_test e_expr-37.1 {
-   SELECT CASE WHEN NULL THEN 'true' ELSE 'false' END;
-} {false}
+   SELECT CASE WHEN NULL THEN 'true' ELSE 'false' END, iif(NULL,'true','false');
+} {false false}
 do_execsql_test e_expr-37.2 {
-   SELECT CASE WHEN 0.0 THEN 'true' ELSE 'false' END;
-} {false}
+   SELECT CASE WHEN 0.0 THEN 'true' ELSE 'false' END, iif(0.0,'true','false');
+} {false false}
 do_execsql_test e_expr-37.3 {
-   SELECT CASE WHEN 0 THEN 'true' ELSE 'false' END;
-} {false}
+   SELECT CASE WHEN 0 THEN 'true' ELSE 'false' END, iif(0,'true','false');
+} {false false}
 do_execsql_test e_expr-37.4 {
-   SELECT CASE WHEN 'engligh' THEN 'true' ELSE 'false' END;
-} {false}
+   SELECT CASE WHEN 'engligh' THEN 'true' ELSE 'false' END, iif('engligh','true','false');
+} {false false}
 do_execsql_test e_expr-37.5 {
-   SELECT CASE WHEN '0' THEN 'true' ELSE 'false' END;
-} {false}
+   SELECT CASE WHEN '0' THEN 'true' ELSE 'false' END, iif('0','true','false');
+} {false false}

 # EVIDENCE-OF: R-55532-10108 Values 1, 1.0, 0.1, -0.1 and '1english' are
 # considered to be true.
 #
 do_execsql_test e_expr-37.6 {
-   SELECT CASE WHEN 1 THEN 'true' ELSE 'false' END;
-} {true}
+   SELECT CASE WHEN 1 THEN 'true' ELSE 'false' END, iif(1,'true','false');
+} {true true}
 do_execsql_test e_expr-37.7 {
-   SELECT CASE WHEN 1.0 THEN 'true' ELSE 'false' END;
-} {true}
+   SELECT CASE WHEN 1.0 THEN 'true' ELSE 'false' END, iif(1.0,'true','false');
+} {true true}
 do_execsql_test e_expr-37.8 {
-   SELECT CASE WHEN 0.1 THEN 'true' ELSE 'false' END;
-} {true}
+   SELECT CASE WHEN 0.1 THEN 'true' ELSE 'false' END, iif(0.1,'true','false');
+} {true true}
 do_execsql_test e_expr-37.9 {
-   SELECT CASE WHEN -0.1 THEN 'true' ELSE 'false' END;
-} {true}
+   SELECT CASE WHEN -0.1 THEN 'true' ELSE 'false' END, iif(-0.1,'true','false');
+} {true true}
 do_execsql_test e_expr-37.10 {
-   SELECT CASE WHEN '1english' THEN 'true' ELSE 'false' END;
-} {true}
+   SELECT CASE WHEN '1english' THEN 'true' ELSE 'false' END, iif('1engl','true','false');
+} {true true}


 finish_test
@@ -2507,7 +2507,7 @@ proc test_efkey_6 {tn zAlter isError} {
  drop_all_tables 

  do_test e_fkey-56.$tn.1 "
-    execsql { CREATE TABLE tbl(a, b) }
+    execsql { CREATE TABLE tbl(a, b); INSERT INTO tbl VALUES(1, 2); }
    [list catchsql $zAlter]
  " [lindex {{0 {}} {1 {Cannot add a REFERENCES column with non-NULL default value}}} $isError]

@@ -2771,7 +2771,7 @@ do_test e_fkey-60.6 {
 #
 do_test e_fkey-61.1.1 {
  drop_all_tables
-  execsql { CREATE TABLE t1(a, b) }
+  execsql { CREATE TABLE t1(a, b) ; INSERT INTO t1 VALUES(1, 2) }
  catchsql { ALTER TABLE t1 ADD COLUMN c DEFAULT 'xxx' REFERENCES t2 }
 } {1 {Cannot add a REFERENCES column with non-NULL default value}}
 do_test e_fkey-61.1.2 {
@@ -955,6 +955,7 @@ ifcapable altertable {
    execsql { 
      CREATE TABLE t1(a PRIMARY KEY);
      CREATE TABLE t2(a, b);
+      INSERT INTO t2 VALUES(1,2);
    }
    catchsql { ALTER TABLE t2 ADD COLUMN c REFERENCES t1 }
  } {0 {}}
@@ -1046,6 +1047,7 @@ ifcapable altertable {
    execsql { 
      CREATE TEMP TABLE t1(a PRIMARY KEY);
      CREATE TEMP TABLE t2(a, b);
+      INSERT INTO temp.t2 VALUES(1,2);
    }
    catchsql { ALTER TABLE t2 ADD COLUMN c REFERENCES t1 }
  } {0 {}}
@@ -1130,6 +1132,7 @@ ifcapable altertable {
      ATTACH ':memory:' AS aux;
      CREATE TABLE aux.t1(a PRIMARY KEY);
      CREATE TABLE aux.t2(a, b);
+      INSERT INTO aux.t2(a,b) VALUES(1,2);
    }
    catchsql { ALTER TABLE t2 ADD COLUMN c REFERENCES t1 }
  } {0 {}}
@@ -48,7 +48,7 @@ proc analyze_delete_program {sql} {

      set obj $T($root)
      set O($obj) ""
-      if {"0x$R(p5)" & 0x08} { 
+      if {$R(p5) & 0x08} { 
        set O($obj) *
      } else {
        set O($obj) ""
@@ -5847,4 +5847,223 @@ do_catchsql_test 37.1 {
  INSERT INTO f VALUES (0,x'00');
 } {1 {database disk image is malformed}}

+#-------------------------------------------------------------------------
+#
+reset_db
+
+reset_db
+do_test 38.0 {
+  sqlite3 db {}
+  db deserialize [decode_hexdb {
+.open --hexdb
+| size 24576 pagesize 4096 filename crash-1cc4f8a70485ce.db
+| page 1 offset 0
+|      0: 53 51 4c 69 74 65 20 66 6f 72 6d 61 74 20 33 00   SQLite format 3.
+|     16: 10 00 01 01 00 40 20 20 00 00 00 00 00 00 00 00   .....@  ........
+|     96: 00 00 00 00 0d 0e b1 00 06 0d a4 00 0f 8d 0f 21   ...............!
+|    112: 0e b9 0d c8 0e 7e 0d a4 00 00 00 00 00 00 00 00   .....~..........
+|   3488: 00 00 00 00 22 07 06 17 11 11 01 31 74 61 62 6c   ...........1tabl
+|   3504: 65 74 32 74 32 07 43 52 45 41 54 45 20 54 41 42   et2t2.CREATE TAB
+|   3520: 4c 45 20 74 32 28 78 29 81 33 05 07 17 1f 1f 01   LE t2(x).3......
+|   3536: 82 35 74 61 62 6c 65 74 31 5f 73 65 67 64 69 72   .5tablet1_segdir
+|   3552: 74 31 5f 73 65 67 64 69 72 05 43 52 45 41 54 45   t1_segdir.CREATE
+|   3568: 20 54 41 42 4c 45 20 27 74 31 5f 73 65 67 64 69    TABLE 't1_segdi
+|   3584: 72 27 28 6c 65 76 65 6c 20 49 4e 54 45 47 45 52   r'(level INTEGER
+|   3600: 2c 69 64 78 20 49 4e 54 45 47 45 52 2c 73 74 61   ,idx INTEGER,sta
+|   3616: 72 74 5f 62 6c 6f 63 6b 20 49 4e 54 45 47 45 52   rt_block INTEGER
+|   3632: 2c 6c 65 61 76 65 73 5f 65 6e 64 5f 62 6c 6f 63   ,leaves_end_bloc
+|   3648: 6b 20 49 4e 54 45 47 45 52 2c 65 6e 64 5f 62 6c   k INTEGER,end_bl
+|   3664: 6f 63 6b 20 49 4e 54 45 47 45 62 2c 72 6f 6f 74   ock INTEGEb,root
+|   3680: 20 42 4c 4f 42 2c 50 52 49 4d 41 52 59 20 4b 45    BLOB,PRIMARY KE
+|   3696: 59 28 6c 65 76 65 6c 2c 20 69 64 78 29 29 31 06   Y(level, idx))1.
+|   3712: 06 17 45 1f 01 00 69 6e 64 65 78 73 71 6c 69 74   ..E...indexsqlit
+|   3728: 65 5f 61 75 74 6f 69 6e 64 65 78 5f 74 31 5f 73   e_autoindex_t1_s
+|   3744: 65 67 64 69 72 5f 31 74 31 5f 73 65 67 64 69 72   egdir_1t1_segdir
+|   3760: 06 0f c7 00 08 00 00 00 00 66 04 07 17 23 23 01   .........f...##.
+|   3776: 81 13 74 61 62 6c 65 74 31 5f 73 65 67 6d 65 6e   ..tablet1_segmen
+|   3792: 74 73 74 31 5f 73 65 67 6d 65 6e 74 73 04 43 52   tst1_segments.CR
+|   3808: 45 41 54 45 20 54 41 42 4c 45 20 27 74 31 5f 73   EATE TABLE 't1_s
+|   3824: 65 67 6d 65 6e 74 73 27 28 62 6c 6f 63 6b 69 64   egments'(blockid
+|   3840: 20 49 4e 54 45 47 45 52 20 50 52 49 4d 41 52 59    INTEGER PRIMARY
+|   3856: 20 4b 45 59 2c 20 62 6c 6f 63 6b 20 42 4c 4f 42    KEY, block BLOB
+|   3872: 29 6a 03 07 17 21 21 01 81 1f 74 61 62 6c 65 74   )j...!!...tablet
+|   3888: 31 5f 63 6f 6e 74 65 6e 74 74 31 5f 63 6f 6e 74   1_contentt1_cont
+|   3904: 65 6e 74 03 43 52 45 41 54 45 20 54 41 42 4c 45   ent.CREATE TABLE
+|   3920: 20 27 74 31 5f 63 6f 6e 74 65 6e 74 27 28 64 6f    't1_content'(do
+|   3936: 63 69 64 20 49 4e 54 45 47 45 52 20 50 52 49 4d   cid INTEGER PRIM
+|   3952: 41 52 59 20 4b 45 59 2c 20 27 63 30 61 27 2c 20   ARY KEY, 'c0a', 
+|   3968: 27 63 31 62 27 2c 20 27 63 32 63 27 29 38 02 06   'c1b', 'c2c')8..
+|   3984: 17 11 11 08 5f 74 61 62 6c 65 74 31 74 31 43 52   ...._tablet1t1CR
+|   4000: 45 41 54 45 20 56 49 52 54 55 41 4c 20 54 41 42   EATE VIRTUAL TAB
+|   4016: 4c 45 20 74 31 20 55 53 49 4e 47 20 66 74 73 33   LE t1 USING fts3
+|   4032: 28 61 2c 62 2c 63 29 00 00 00 00 00 00 00 00 00   (a,b,c).........
+| page 3 offset 8192
+|      0: 0d 00 00 00 25 0b 48 00 0f d8 0f af 0f 86 0f 74   ....%.H........t
+|     16: 0f 61 0f 4e 0f 2f 0f 0f 0e ef 0e d7 0e be 0e a5   .a.N./..........
+|     32: 0e 8d 0e 74 0e 5b 0e 40 0e 24 0e 08 0d ef 00 00   ...t.[.@.$......
+|   2880: 00 00 00 00 00 00 00 00 81 3f 25 06 00 82 7e f0   .........?%...~.
+|   2896: 00 43 4f 4d 50 49 4c 45 52 3d 67 63 63 2d 35 2e   .COMPILER=gcc-5.
+|   2912: 34 23 00 20 42 30 31 36 2f 36 30 39 20 44 45 42   4#. B016/609 DEB
+|   2928: 55 47 20 45 4e 41 42 4c 45 20 44 42 53 54 41 54   UG ENABLE DBSTAT
+|   2944: 20 56 54 41 42 20 45 4e 42 92 4c 45 20 46 54 53    VTAB ENB.LE FTS
+|   2960: 34 20 45 4e 41 42 4c 45 20 46 54 53 35 20 45 4e   4 ENABLE FTS5 EN
+|   2976: 41 42 4c 45 20 47 45 4f 50 4f 4c 59 20 45 4e 41   ABLE GEOPOLY ENA
+|   2992: 42 5c 45 1f 4a 53 4f 4e 31 20 45 4e 41 42 4c 45   B.E.JSON1 ENABLE
+|   3008: 20 4d 45 4d 53 59 53 35 20 45 4e 41 42 4c 45 20    MEMSYS5 ENABLE 
+|   3024: 52 54 52 45 45 20 4d 41 58 20 4d 45 4d 4f 52 59   RTREE MAX MEMORY
+|   3040: 3d 35 30 30 30 30 30 30 30 20 4f 4d 49 54 20 4c   =50000000 OMIT L
+|   3056: 4f 41 44 20 45 58 54 45 4e 53 49 4f 4e 20 54 48   OAD EXTENSION TH
+|   3072: 52 45 41 44 53 41 46 45 3d 30 18 24 05 00 25 0f   READSAFE=0.$..%.
+|   3088: 19 54 48 52 45 41 44 53 41 46 45 3d 30 58 42 49   .THREADSAFE=0XBI
+|   3104: 4e 41 52 59 18 23 05 00 25 0f 19 54 48 52 45 41   NARY.#..%..THREA
+|   3120: 44 53 41 46 45 3d 30 88 4e 4f 43 41 53 45 17 22   DSAFE=0.NOCASE..
+|   3136: 05 00 25 0f 17 54 48 52 45 41 44 53 41 46 45 3d   ..%..THREADSAFE=
+|   3152: 30 58 52 54 52 49 4d 1f 21 05 00 33 0f 19 4f 4d   0XRTRIM.!..3..OM
+|   3168: 49 54 20 4c 4f 41 44 20 45 58 54 45 4e 53 49 4f   IT LOAD EXTENSIO
+|   3184: 4e 58 42 49 4e 41 52 59 1f 20 05 00 33 0f 19 4f   NXBINARY. ..3..O
+|   3200: 4d 49 54 20 4c 4f 41 44 20 45 58 54 45 4e 53 49   MIT LOAD EXTENSI
+|   3216: 4f 4e 58 4e 4f 43 41 53 45 1e 1f 05 00 33 0f 17   ONXNOCASE....3..
+|   3232: 4f 4d 49 54 20 4c 4f 41 54 20 45 58 54 45 4e 53   OMIT LOAT EXTENS
+|   3248: 49 4f 4e 58 52 54 52 49 4d 1f 1e 04 00 33 0f 19   IONXRTRIM....3..
+|   3264: 82 41 58 20 4d 45 4d 4f 52 59 3d 35 30 30 30 30   .AX MEMORY=50000
+|   3280: 30 30 30 58 42 49 4e 41 52 59 1f 1d 05 00 33 0f   000XBINARY....3.
+|   3296: 19 4d 41 58 20 4d 45 4d 4f 52 59 3d 35 30 30 30   .MAX MEMORY=5000
+|   3312: 30 30 30 30 58 4e 4f 43 41 53 45 1e 1c 05 00 33   0000XNOCASE....3
+|   3328: 0f 17 4d 41 58 20 4d 45 4d fa 52 59 3d 35 30 20   ..MAX MEM.RY=50 
+|   3344: 30 30 30 30 30 58 52 54 52 49 4d 18 1b 05 00 25   00000XRTRIM....%
+|   3360: 0f 19 45 4e 41 42 4c 45 20 52 54 52 45 45 58 42   ..ENABLE RTREEXB
+|   3376: 49 4e 41 52 59 18 1a 05 00 25 0f 19 45 4e 41 42   INARY....%..ENAB
+|   3392: 4c 45 20 52 54 52 45 45 58 4e 4f 43 41 53 45 17   LE RTREEXNOCASE.
+|   3408: 19 05 00 25 0f 17 45 4e 42 42 4c 45 20 52 54 52   ...%..ENBBLE RTR
+|   3424: 45 45 58 52 54 52 49 4d 1a 18 05 00 29 0f 19 45   EEXRTRIM....)..E
+|   3440: 4e 41 42 4c 45 20 4d 45 4d 53 59 53 35 58 42 49   NABLE MEMSYS5XBI
+|   3456: 4e 41 52 59 1a 17 05 00 29 0f 19 45 4e 41 42 3c   NARY....)..ENAB<
+|   3472: 45 20 4d 45 4d 53 59 53 35 58 4e 4f 43 41 53 45   E MEMSYS5XNOCASE
+|   3488: 19 16 05 00 29 0f 17 45 4e 41 42 4c 45 20 4d 45   ....)..ENABLE ME
+|   3504: 4d 53 59 53 35 58 52 54 52 49 4d 18 15 05 00 25   MSYS5XRTRIM....%
+|   3520: 0f 19 45 4e 41 42 4c 45 20 4a 53 4f 4e 31 58 42   ..ENABLE JSON1XB
+|   3536: 49 4e 41 52 59 18 14 05 00 25 0f 19 45 4e 41 42   INARY....%..ENAB
+|   3552: 4c 45 20 4a 53 4f 4e 31 58 4e 4f 43 41 53 45 17   LE JSON1XNOCASE.
+|   3568: 13 05 00 25 0f 17 45 4e 41 42 4c 45 20 4a 53 4f   ...%..ENABLE JSO
+|   3584: 4e 31 58 52 54 52 49 4d 95 12 05 00 29 0f 19 45   N1XRTRIM....)..E
+|   3600: 4e 31 42 4c 45 20 47 45 4e 50 4f 4c 59 58 42 49   N1BLE GENPOLYXBI
+|   3616: 4e 41 52 59 1a 11 05 00 29 0f 19 45 3e f2 1e 4c   NARY....)..E>..L
+|   3632: 45 20 47 45 4f 50 4f 4c 59 58 4e 4f 43 41 53 45   E GEOPOLYXNOCASE
+|   3648: 19 10 05 00 29 0f 17 45 4e 41 42 4c 45 20 47 45   ....)..ENABLE GE
+|   3664: 4f 50 4f 4c 59 58 52 54 52 49 4d 17 0f 05 00 23   OPOLYXRTRIM....#
+|   3680: 0f 19 45 4e 41 42 4c 45 20 46 54 53 35 58 42 49   ..ENABLE FTS5XBI
+|   3696: 4e 41 52 59 17 0e 05 00 23 0f 19 45 4e 41 42 3c   NARY....#..ENAB<
+|   3712: 45 20 46 54 53 35 58 4e 4f 43 41 53 45 16 0d 05   E FTS5XNOCASE...
+|   3728: 00 23 0f 17 45 4e 41 42 4c 45 20 46 54 53 35 58   .#..ENABLE FTS5X
+|   3744: 5d 24 52 49 4d 17 0c 05 00 23 0f 19 45 4e 41 42   ]$RIM....#..ENAB
+|   3760: 4c 45 20 46 54 53 34 58 42 49 4e 41 52 59 17 0b   LE FTS4XBINARY..
+|   3776: 05 00 23 0f 19 45 4e 41 42 4c 45 20 46 54 53 35   ..#..ENABLE FTS5
+|   3792: 58 4e 4f 43 40 53 45 16 0a 05 00 23 0f 17 45 4e   XNOC@SE....#..EN
+|   3808: 41 42 4c 45 20 46 54 53 34 58 52 54 52 49 4d 1e   ABLE FTS4XRTRIM.
+|   3824: 09 05 00 31 0f 19 45 4e 41 42 4c 45 20 44 42 53   ...1..ENABLE DBS
+|   3840: 54 41 54 20 56 54 41 42 58 42 49 4e 41 52 59 1e   TAT VTABXBINARY.
+|   3856: 08 05 00 31 0f 19 45 4e 41 42 4c 45 20 44 42 53   ...1..ENABLE DBS
+|   3872: 54 41 54 20 56 54 41 42 58 4e 4f 43 41 53 45 1d   TAT VTABXNOCASE.
+|   3888: 07 05 00 31 0f 17 45 4e 41 42 4b 45 20 44 42 53   ...1..ENABKE DBS
+|   3904: 54 41 54 20 56 53 41 42 58 52 54 62 49 4d 11 06   TAT VSABXRTbIM..
+|   3920: 05 00 17 0f 19 44 45 42 54 47 58 42 49 4e 41 52   .....DEBTGXBINAR
+|   3936: 59 11 05 05 00 17 0f 19 44 45 42 55 47 58 4e 4f   Y.......DEBUGXNO
+|   3952: 43 41 53 45 10 04 05 00 17 0f 17 44 45 42 55 47   CASE.......DEBUG
+|   3968: 68 52 54 52 49 4d 27 03 05 00 43 0f 19 43 4f 4d   hRTRIM'...C..COM
+|   3984: 50 49 4c 45 52 3d 67 63 63 2d 35 2e 34 2e 30 20   PILER=gcc-5.4.0 
+|   4000: 32 30 31 36 30 36 30 39 58 42 49 4e 41 52 59 27   20160609XBINARY'
+|   4016: 02 05 00 43 0f 19 43 4f 4d 50 49 4c 45 52 3d 67   ...C..COMPILER=g
+|   4032: 63 63 2d 35 2e 34 2e 30 20 32 30 31 36 30 36 30   cc-5.4.0 2016060
+|   4048: 39 58 4f 4f 43 41 53 45 26 01 05 00 43 0f 17 43   9XOOCASE&...C..C
+|   4064: 4f 4d 50 49 4c 45 52 3d 67 63 63 2d 35 2e 34 2e   OMPILER=gcc-5.4.
+|   4080: 30 20 32 30 31 36 30 36 30 39 58 52 54 52 49 4d   0 20160609XRTRIM
+| page 4 offset 12288
+|      0: 0d 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00   ................
+| page 5 offset 16384
+|      0: 0d 00 00 00 02 0b a0 00 0c ad 0b a0 00 00 00 00   ................
+|   2976: 82 0a 02 08 08 09 08 08 17 84 06 30 20 32 35 33   ...........0 253
+|   2992: 00 01 30 04 25 06 1b 00 00 08 32 30 31 36 8c 36   ..0.%.....2016.6
+|   3008: 30 39 03 25 07 00 00 01 34 03 25 05 00 00 01 35   09.%....4.%....5
+|   3024: 03 25 04 00 01 07 30 30 30 30 30 30 30 03 25 1a   .%....0000000.%.
+|   3040: 00 00 08 63 6f 5d 70 69 6c 65 72 03 25 02 00 00   ...co]piler.%...
+|   3056: 06 64 62 73 74 61 74 03 25 0a 00 01 04 65 62 75   .dbstat.%....ebu
+|   3072: 67 03 25 08 00 00 06 65 6e 61 62 6c 65 09 25 09   g.%....enable.%.
+|   3088: 05 04 04 04 04 04 00 01 08 78 74 65 7e 73 69 6f   .........xte~sio
+|   3104: 6e 03 25 1d 00 00 04 66 74 73 34 03 25 0d 00 03   n.%....fts4.%...
+|   3120: 01 35 03 25 0f 00 00 03 67 63 63 03 25 03 00 01   .5.%....gcc.%...
+|   3136: 06 65 6f 70 7f 6c 79 03 25 11 00 00 05 6a 73 6f   .eop.ly.%....jso
+|   3152: 6e 31 03 25 14 00 e8 04 6c 6f 61 64 03 25 1c 00   n1.%....load.%..
+|   3168: 00 03 6d 61 78 03 25 18 00 01 05 65 6d 6f 72 79   ..max.%....emory
+|   3184: 03 25 19 00 03 04 73 79 73 35 03 25 15 00 00 04   .%....sys5.%....
+|   3200: 6f 6d 69 74 03 25 1b 00 00 05 72 74 72 65 65 03   omit.%....rtree.
+|   3216: 25 17 00 00 0a 74 68 72 65 61 64 73 61 66 65 03   %....threadsafe.
+|   3232: 25 1e 00 00 04 76 74 61 62 03 25 0b 00 86 50 01   %....vtab.%...P.
+|   3248: 08 08 08 08 08 17 8d 12 30 20 38 33 35 00 01 30   ........0 835..0
+|   3264: 12 01 06 00 01 06 00 01 06 00 1f 03 00 01 03 00   ................
+|   3280: 01 03 00 00 08 32 30 31 36 30 36 30 39 09 01 07   .....20160609...
+|   3296: 00 01 07 00 01 07 00 00 01 34 09 01 05 00 01 05   .........4......
+|   3312: 00 01 05 00 00 01 35 09 01 04 00 01 04 00 01 04   ......5.........
+|   3328: 00 01 07 30 30 30 30 30 30 30 09 1c 04 00 01 04   ...0000000......
+|   3344: 00 01 04 00 00 06 62 69 6e 61 72 79 3c 03 01 02   ......binary<...
+|   3360: 02 00 03 01 02 02 00 03 01 02 02 00 03 01 02 02   ................
+|   3376: 00 03 01 02 c2 00 03 01 02 02 00 03 01 04 82 00   ................
+|   3392: 03 01 02 02 00 03 01 02 02 00 03 01 02 02 00 03   ................
+|   3408: 01 02 02 00 03 01 02 02 00 00 08 63 6f 6d 70 69   ...........compi
+|   3424: 6c 65 72 09 01 02 00 01 02 00 01 02 00 00 06 64   ler............d
+|   3440: 62 73 74 61 74 09 07 03 00 01 03 00 01 03 00 01   bstat...........
+|   3456: 04 65 62 75 67 09 04 02 00 01 02 00 01 02 00 00   .ebug...........
+|   3472: 06 65 6e 60 62 6c 65 3f 07 02 00 01 02 92 e1 a4   .en`ble?........
+|   3488: ff fc a2 8c 95 b2 3f 01 01 f0 f1 02 00 57 02 00   ......?......W..
+|   3504: 01 02 00 01 02 00 01 02 00 01 02 00 01 02 10 01   ................
+|   3520: 02 00 01 02 00 01 02 00 01 02 01 01 02 00 01 02   ................
+|   3536: 00 01 02 00 00 f2 00 01 08 78 74 65 6e 73 69 6f   .........xtensio
+|   3552: 6e 09 1f 04 00 01 04 00 01 04 00 00 04 66 74 73   n............fts
+|   3568: 34 09 0a 03 00 01 03 00 01 03 00 03 01 35 09 0d   4............5..
+|   3584: 03 00 01 03 00 01 03 00 00 03 67 63 63 09 01 03   ..........gcc...
+|   3600: 00 01 03 00 01 03 00 01 06 65 5f 70 6f 6c 79 09   .........e_poly.
+|   3616: 10 03 00 01 03 00 01 03 00 00 b3 6a 73 6f 6e 31   ...........json1
+|   3632: 09 13 03 00 01 03 00 01 03 00 00 04 6c 6f 61 64   ............load
+|   3648: 09 1f 03 00 01 03 00 01 03 00 00 03 6d 61 78 09   ............max.
+|   3664: 1c 02 00 01 02 00 01 02 00 01 05 65 6d 6f 72 79   ...........emory
+|   3680: 09 1c 03 00 01 03 00 01 03 00 03 04 73 79 73 35   ............sys5
+|   3696: 09 16 03 00 01 03 00 01 03 cc 00 06 6e 6f 63 61   ............noca
+|   3712: 73 65 3c 02 01 02 02 00 03 01 02 02 00 03 01 02   se<.............
+|   3728: 02 00 03 01 02 02 00 03 01 02 02 00 03 01 02 02   ................
+|   3744: 00 03 01 02 02 00 03 01 02 02 00 03 01 02 02 00   ................
+|   3760: 03 01 02 02 00 03 01 02 02 00 03 01 02 02 00 00   ................
+|   3776: 04 6f 6d 69 74 09 1f 02 00 01 02 00 01 02 00 00   .omit...........
+|   3792: 05 72 74 62 65 65 09 19 03 00 01 03 00 01 03 00   .rtbee..........
+|   3808: 03 02 69 6d 3c 01 01 02 02 00 03 01 02 02 00 03   ..im<...........
+|   3824: 01 02 02 00 03 01 02 02 00 03 01 02 02 00 03 01   ................
+|   3840: 02 02 00 03 01 02 02 00 03 01 02 02 00 03 01 02   ................
+|   3856: 02 00 03 01 02 02 00 03 01 02 01 00 03 01 02 02   ................
+|   3872: 00 00 0a 74 68 72 65 61 64 73 61 66 65 09 22 02   ...threadsafe...
+|   3888: 00 01 02 00 02 02 00 00 04 76 74 61 62 09 07 04   .........vtab...
+|   3904: 00 01 03 00 01 04 00 00 01 78 b4 01 01 01 01 02   .........x......
+|   3920: 00 01 01 01 02 00 01 01 01 02 00 01 01 01 02 00   ................
+|   3936: 01 01 01 02 00 01 01 01 02 00 01 01 01 02 00 01   ................
+|   3952: 01 01 02 00 01 01 01 02 00 01 01 01 02 00 01 01   ................
+|   3968: 01 02 00 01 01 01 02 00 01 01 01 02 00 01 01 01   ................
+|   3984: 02 01 01 01 01 02 00 01 01 01 02 00 01 01 01 02   ................
+|   4000: 00 01 01 01 02 00 01 01 01 02 00 01 01 01 02 00   ................
+|   4016: 01 01 01 02 00 01 01 01 02 00 01 01 01 02 00 01   ................
+|   4032: 01 01 02 00 01 01 01 da 00 00 f1 01 02 00 01 01   ................
+|   4048: 01 02 00 01 01 01 01 ff ff 01 01 02 00 01 01 01   ................
+|   4064: 02 00 01 01 01 02 00 01 01 01 02 00 01 01 01 02   ................
+|   4080: 00 01 01 01 02 00 01 01 01 02 00 01 01 01 02 00   ................
+| page 6 offset 20480
+|      0: 0a 00 00 00 02 0f f5 00 0f fb 0f f5 01 00 00 00   ................
+|   4080: 00 00 00 00 00 05 04 08 09 01 02 04 04 08 08 09   ................
+| end crash-1cc4f8a70485ce.db
+}]} {}
+
+do_execsql_test 38.1 {
+  UPDATE t1 SET b=a;
+}
+
+do_catchsql_test 38.1 {
+  SELECT b FROM t1 WHERE a MATCH 'e*e*e*e*e*e*e*e*e*e*e*e*e*e*e*e*'
+} {1 {database disk image is malformed}}
+
+
 finish_test
@@ -0,0 +1,35 @@
+# 2020-05-14
+#
+# 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 the FTS3 module. The focus
+# of this file is tables created with the "matchinfo=fts3" option.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# If SQLITE_ENABLE_FTS3 is not defined, omit this file.
+ifcapable !fts3 { finish_test ; return }
+
+set sqlite_fts3_enable_parentheses 1
+
+# Crash case found by cyg0810 at gmail.com 2020-05-14.  Reported to
+# chromium (which is not vulnerable) who kindly referred it to us.
+#
+do_execsql_test 1.0 {
+  CREATE TABLE t_content(col0 INTEGER);
+  CREATE VIRTUAL TABLE t0 USING fts3(col0 INTEGER PRIMARY KEY,col1 VARCHAR(8),col2 BINARY,col3 BINARY);
+  INSERT INTO t0 VALUES (1, '1234','aaaa','bbbb');
+  SELECT hex(matchinfo(t0,'yxy'))  FROM t0 WHERE t0 MATCH  x'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';
+} {/000000.*0000000/}
+
+
+set sqlite_fts3_enable_parentheses 0
+finish_test
@@ -588,18 +588,5 @@ do_execsql_test 5.1 {
  {[a70] [a71] [a72]}
 }

-#-------------------------------------------------------------------------
-# Request a snippet from a query with more than 64 phrases.
-#
-reset_db
-do_execsql_test 6.0 {
-  CREATE VIRTUAL TABLE f USING fts3(b);
-  INSERT INTO f VALUES ( x'746e6e6d64612e082a011065616e656d655a616c702a2f65732e0f42014001380230018218');
-}
-
-do_execsql_test 6.1 {
-  SELECT  length(snippet(f))>0  FROM f WHERE b MATCH x'1065616e656d655a616c702a2f65732e0f42014001380230018218021001081e0a3d746e6e6d64612e082a010f42014001380230018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c702a2f65732e0f42014001380230018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c702a2f65732e0f42014001380230018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c702a2f0a3d746e6e6d64612e082a011065616e656d655a616c702a2f65732e0f42014001018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c702a018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c2a2f65732e0f42014001380230018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c702a2f65732e0f42014001380230018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c702a2f65732e0f42014001380230018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c702a2f65732e0f42014001380230018218021001081e0a3d746e6e6d64612e0f42';
-} {1}
-
 set sqlite_fts3_enable_parentheses 0
 finish_test
@@ -0,0 +1,60 @@
+# 2020-05-14
+#
+# 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.
+#
+#*************************************************************************
+#
+# The tests in this file test the FTS3 auxillary functions offsets(), 
+# snippet() and matchinfo() work. At time of writing, running this file 
+# provides full coverage of fts3_snippet.c.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix fts3snippet
+
+# If SQLITE_ENABLE_FTS3 is not defined, omit this file.
+ifcapable !fts3 { finish_test ; return }
+source $testdir/fts3_common.tcl
+
+set sqlite_fts3_enable_parentheses 1
+#-------------------------------------------------------------------------
+# Request a snippet from a query with more than 64 phrases.
+#
+reset_db
+do_execsql_test 1.0 {
+  CREATE VIRTUAL TABLE f USING fts3(b);
+  INSERT INTO f VALUES ( x'746e6e6d64612e082a011065616e656d655a616c702a2f65732e0f42014001380230018218');
+}
+
+do_execsql_test 1.1 {
+  SELECT  length(snippet(f))>0  FROM f WHERE b MATCH x'1065616e656d655a616c702a2f65732e0f42014001380230018218021001081e0a3d746e6e6d64612e082a010f42014001380230018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c702a2f65732e0f42014001380230018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c702a2f65732e0f42014001380230018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c702a2f0a3d746e6e6d64612e082a011065616e656d655a616c702a2f65732e0f42014001018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c702a018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c2a2f65732e0f42014001380230018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c702a2f65732e0f42014001380230018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c702a2f65732e0f42014001380230018218021001081e0a3d746e6e6d64612e082a011065616e656d655a616c702a2f65732e0f42014001380230018218021001081e0a3d746e6e6d64612e0f42';
+} {1}
+
+reset_db
+do_execsql_test 2.0 {
+  CREATE VIRTUAL TABLE t0 USING fts3(col0 INTEGER PRIMARY KEY,col1 VARCHAR(8),col2 BINARY,col3 BINARY);
+  INSERT INTO t0 VALUES (1, '1234','aaaa','bbbb');
+  SELECT snippet(t0)  FROM t0 WHERE t0 MATCH x'0a4d4d4d4d320a4f52d70a310a310a4e4541520a0a31f6ce0a4f520a0a310a310a310a4f520a75fc2a242424' ;
+} {<b>1</b>}
+
+reset_db
+do_execsql_test 2.1 {
+  CREATE VIRTUAL TABLE t0 USING fts3(
+      col0 INTEGER PRIMARY KEY,col1 VARCHAR(8),col2 BINARY,col3 BINARY
+  );
+  INSERT INTO t0 VALUES ('one', '1234','aaaa','bbbb');
+}
+do_execsql_test 2.2 {
+  SELECT snippet(t0)  FROM t0 WHERE t0 MATCH 
+  '(def AND (one NEAR abc)) OR one'
+} {<b>one</b>}
+
+set sqlite_fts3_enable_parentheses 0
+finish_test
+
@@ -3777,4 +3777,11 @@ foreach ::iRepeat {0 1} {
  }
 }

+# 2020-05-23
+# ticket 23439ea582241138
+#
+do_execsql_test printf-16.1 {
+  SELECT printf('%.*g',2147483647,0.01);
+} {0.01}
+
 finish_test
@@ -33,28 +33,28 @@ do_test tkt-3fe89-1.1 {
    INSERT INTO t1 VALUES(hex_to_utf16be('D800'));
    SELECT hex(x) FROM t1;
  }
-} {EFBFBD}
+} {EDA080}
 do_test tkt-3fe89-1.2 {
  db eval {
    DELETE FROM t1;
    INSERT INTO t1 VALUES(hex_to_utf16le('00D8'));
    SELECT hex(x) FROM t1;
  }
-} {EFBFBD}
+} {EDA080}
 do_test tkt-3fe89-1.3 {
  db eval {
    DELETE FROM t1;
    INSERT INTO t1 VALUES(hex_to_utf16be('DFFF'));
    SELECT hex(x) FROM t1;
  }
-} {EFBFBD}
+} {EDBFBF}
 do_test tkt-3fe89-1.4 {
  db eval {
    DELETE FROM t1;
    INSERT INTO t1 VALUES(hex_to_utf16le('FFDF'));
    SELECT hex(x) FROM t1;
  }
-} {EFBFBD}
+} {EDBFBF}


 finish_test
@@ -24,7 +24,8 @@ do_test 1.0 {
 } win32

 db close
-set path [file nativename [get_pwd]]
+set rawPath [get_pwd]
+set path [file nativename $rawPath]
 sqlite3 db [file join $path test.db] -vfs win32-longpath

 do_test 1.1 {
@@ -45,16 +46,32 @@ do_test 1.2 {
 } {1 2 3 4}

 set longPath(1) \\\\?\\$path\\[pid]
+set uriPath(1a) %5C%5C%3F%5C$path\\[pid]
+set uriPath(1b) %5C%5C%3F%5C$rawPath/[pid]
+
 make_win32_dir $longPath(1)

 set longPath(2) $longPath(1)\\[string repeat X 255]
+set uriPath(2a) $uriPath(1a)\\[string repeat X 255]
+set uriPath(2b) $uriPath(1b)/[string repeat X 255]
+
 make_win32_dir $longPath(2)

 set longPath(3) $longPath(2)\\[string repeat Y 255]
+set uriPath(3a) $uriPath(2a)\\[string repeat Y 255]
+set uriPath(3b) $uriPath(2b)/[string repeat Y 255]
+
 make_win32_dir $longPath(3)

 set fileName $longPath(3)\\test.db

+set uri(1a) file:$uriPath(3a)\\test.db
+set uri(1b) file:$uriPath(3b)/test.db
+set uri(1c) file:///$uriPath(3a)\\test.db
+set uri(1d) file:///$uriPath(3b)/test.db
+set uri(1e) file://localhost/$uriPath(3a)\\test.db
+set uri(1f) file://localhost/$uriPath(3b)/test.db
+
 do_test 1.3 {
  list [catch {sqlite3 db2 [string range $fileName 4 end]} msg] $msg
 } {1 {unable to open database file}}
@@ -100,6 +117,18 @@ do_test 1.6 {
 db3 close
 # puts "  Database exists \{[exists_win32_path $fileName]\}"

+foreach tn {1a 1b 1c 1d 1e 1f} {
+  sqlite3 db3 $uri($tn) -vfs win32-longpath -uri 1 -translatefilename 0
+
+  do_test 1.7.$tn {
+    db3 eval {
+      SELECT x FROM t1 ORDER BY x;
+    }
+  } {5 6 7 8 9 10 11 12}
+
+  db3 close
+}
+
 do_delete_win32_file $fileName
 # puts "  Files remaining \{[find_win32_file $longPath(3)\\*]\}"

@@ -1663,4 +1663,85 @@ do_catchsql_test 51.1 {
                  sum(b) OVER(PARTITION BY min(DISTINCT c), c ORDER BY b)));
 } {1 {row value misused}}

+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 52.1 {
+  CREATE TABLE t1(a, b, c);
+  INSERT INTO t1 VALUES('AA','bb',356);
+  INSERT INTO t1 VALUES('CC','aa',158);
+  INSERT INTO t1 VALUES('BB','aa',399);
+  INSERT INTO t1 VALUES('FF','bb',938);
+}
+
+do_execsql_test 52.2 {
+  SELECT
+    count() OVER win1,
+    sum(c) OVER win2, 
+    first_value(c) OVER win2,
+    count(a) OVER (ORDER BY b)
+      FROM t1
+      WINDOW
+      win1 AS (ORDER BY a),
+    win2 AS (PARTITION BY 6 ORDER BY a
+        RANGE BETWEEN 5 PRECEDING AND 0 PRECEDING );
+} {
+  1 356 356 4 
+  2 399 399 2 
+  3 158 158 2 
+  4 938 938 4
+}
+
+do_execsql_test 52.3 {
+SELECT
+  count() OVER (),
+  sum(c) OVER win2, 
+  first_value(c) OVER win2,
+  count(a) OVER (ORDER BY b)
+FROM t1
+WINDOW
+  win1 AS (ORDER BY a),
+  win2 AS (PARTITION BY 6 COLLATE binary ORDER BY a
+           RANGE BETWEEN 5 PRECEDING AND 0 PRECEDING );
+} {
+  4 356 356 4 
+  4 399 399 2 
+  4 158 158 2 
+  4 938 938 4
+}
+
+do_execsql_test 52.4 {
+  SELECT
+    count() OVER win1,
+    sum(c) OVER win2, 
+    first_value(c) OVER win2,
+    count(a) OVER (ORDER BY b)
+  FROM t1
+  WINDOW
+    win1 AS (ORDER BY a),
+    win2 AS (PARTITION BY 6 COLLATE binary ORDER BY a
+             RANGE BETWEEN 5 PRECEDING AND 0 PRECEDING );
+} {
+  1 356 356 4 
+  2 399 399 2 
+  3 158 158 2 
+  4 938 938 4
+}
+
+# 2020-05-23
+# ticket 7a5279a25c57adf1
+#
+reset_db
+do_execsql_test 53.0 {
+  CREATE TABLE a(c UNIQUE);
+  INSERT INTO a VALUES(4),(0),(9),(-9);
+  SELECT a.c
+    FROM a
+    JOIN a AS b ON a.c=4
+    JOIN a AS e ON a.c=e.c
+   WHERE a.c=(SELECT (SELECT coalesce(lead(2) OVER(),0) + sum(d.c))
+                FROM a AS d
+               WHERE a.c);
+} {4 4 4 4}
+
+
 finish_test
@@ -921,6 +921,7 @@ ifcapable altertable {
    execsql { 
      CREATE TABLE t1(a PRIMARY KEY) WITHOUT rowid;
      CREATE TABLE t2(a, b);
+      INSERT INTO t2(a,b) VALUES(1,2);
    }
    catchsql { ALTER TABLE t2 ADD COLUMN c REFERENCES t1 }
  } {0 {}}
@@ -1015,6 +1016,7 @@ ifcapable altertable {
    execsql { 
      CREATE TEMP TABLE t1(a PRIMARY KEY) WITHOUT rowid;
      CREATE TEMP TABLE t2(a, b);
+      INSERT INTO temp.t2(a,b) VALUES(1,2);
    }
    catchsql { ALTER TABLE t2 ADD COLUMN c REFERENCES t1 }
  } {0 {}}
@@ -1102,6 +1104,7 @@ ifcapable altertable {
      ATTACH ':memory:' AS aux;
      CREATE TABLE aux.t1(a PRIMARY KEY) WITHOUT rowid;
      CREATE TABLE aux.t2(a, b);
+      INSERT INTO aux.t2(a,b) VALUES(1,2);
    }
    catchsql { ALTER TABLE t2 ADD COLUMN c REFERENCES t1 }
  } {0 {}}
Author	SHA1	Message	Date
drh	fc6d946586	Version 3.32.2 FossilOrigin-Name: ec02243ea6ce33b090870ae55ab8aa2534b54d216d45c4aa2fdbb00e86861e8c	2020-06-04 12:58:43 +00:00
drh	996e330613	Fix for ticket [810dc8038872e212]. FossilOrigin-Name: 9cfefef591dc555e41fe267e5a5b128f82038d01f8c44480ede16be4a923863f	2020-06-03 22:57:15 +00:00
drh	6b9f94d1c6	Version number to 3.32.2 FossilOrigin-Name: 4454b27fc594c2600a2d5aa9f421f2e1e4c3017dda828c071b3ccb11ff46d6d5	2020-06-03 22:47:05 +00:00
drh	d63c76fb31	Version 3.32.1 FossilOrigin-Name: 0c1fcf4711a2e66c813aed38cf41cd3e2123ee8eb6db98118086764c4ba83350	2020-05-25 16:19:56 +00:00
drh	b6907e2993	Extra assert() statements in the printf() logic. FossilOrigin-Name: b1b182be2ab34cec1d94c5570bc361331a34f727eb9fa4aadfabb7f1ef79f83e	2020-05-25 15:41:03 +00:00
drh	0934d64045	Defensive code that tries to prevent a recurrence of problems like the one described in ticket [7a5279a25c57adf1] FossilOrigin-Name: 572105de1d44bca4f18c99d373458889163611384eebbc9659474874ee1701f4	2020-05-25 15:19:52 +00:00
drh	efc752b131	Fix minor compile issues with optional extensions. FossilOrigin-Name: 3261ee9ec26bbeaa64190c12556a1d8146270b6660c70004830bd38c1b5b63f4	2020-05-25 12:49:58 +00:00
drh	91960aa53f	Make sure variable declarations are at start of scope even when SQLITE_ENABLE_SNAPSHOT is used. FossilOrigin-Name: a77ceaf6ba934b1d73c90b8980191a65d02ad6ce1e11e6baf573b3a132685545	2020-05-25 12:02:12 +00:00
drh	e859e43bb8	Version number to 3.32.1. FossilOrigin-Name: 56e5063c326ffbfd3e3cb6f2b05718412aca2cb183274bfe11f5666effdd04b9	2020-05-24 12:36:20 +00:00
drh	c37577bb2d	When rewriting a query for window functions, if the rewrite changes the depth of TK_AGG_FUNCTION nodes, be sure to adjust the Expr.op2 field appropriately. Fix for ticket [7a5279a25c57adf1] FossilOrigin-Name: ad7bb70af9bb68d192137188bb2528f1e9e43ad164c925174ca1dafc9e1f5339	2020-05-24 03:38:37 +00:00
drh	e40cc16b47	Move some utility Walker callbacks into the walker.c source file, as they seem to belong there better. FossilOrigin-Name: dac438236f7c5419d4e7e094e8b3f19f83cd3b1a18bc8acb14aee90d4514fa3c	2020-05-24 03:01:36 +00:00
drh	ca74fbf6f1	Improvements to parse-tree tracing logic. No changes in deliverable code. FossilOrigin-Name: f7e5a68a7ebbb97a5beb050a75b3b4cf2fd6adc54653da993a8950fb3a5799f7	2020-05-24 02:05:04 +00:00
drh	16dc07f756	Minor fix to a comment. No code changes. FossilOrigin-Name: efdbb2b499bda8ffcfe54f5d6ece08a2c58fe7a490d9550785d806bd404abb8c	2020-05-24 00:30:38 +00:00
drh	dd6c33d372	Limit the "precision" of floating-point to text conversions in the printf() function to 100,000,000. Fix for ticket [23439ea582241138]. FossilOrigin-Name: d08d3405878d394e08e5d3af281246edfbd81ca74cc8d16458808591512fb93d	2020-05-23 19:58:07 +00:00
drh	8e50d65aaf	Improved bytecode comment. FossilOrigin-Name: 9224f1543b51a674ad6d7db8e90d97e1b0d1abe68bed3417820ebd09d27270f9	2020-05-23 17:56:49 +00:00
drh	0b0274a90c	Version 3.32.0 FossilOrigin-Name: 5998789c9c744bce92e4cff7636bba800a75574243d6977e1fc8281e360f8d5a	2020-05-22 17:46:16 +00:00
drh	f25f8d5834	Change a NEVER macro into a NO_TEST comment, as the conditional is reachable, but only when compiling for Windows 32-bit. FossilOrigin-Name: ce36b6d1331edba5a921fef32553e2470a79bdb1f62d2cfd81190691c83d5b06	2020-05-21 20:38:39 +00:00
dan	23e3c340b5	Avoid another potential OOB read in sqlite3expert.c. FossilOrigin-Name: 0ccea80092f16e7f17f4c4de4f8be3fdef217199fcc08ace37e179c1b22c1294	2020-05-21 19:13:46 +00:00
drh	4f1315a432	Back out the change from [7fab1393c2b22b1f] that tries to convert invalid surrogate characters in UTF16 into the replacement character 0xfffd, as we find that this breaks some software. FossilOrigin-Name: 4218c7b71fb6b227dbe4b852718584c150164af2d84e067cb810aa602554a609	2020-05-20 15:02:04 +00:00
drh	5a8cd2e40c	Add compiler hints to disable TSAN for the routines that access the -shm file header in WAL mode using a double-read with memory barrier. FossilOrigin-Name: 3117c1b5a9e348fd8d16ba9d03fdafaad8514567fb3403f72b86d6162ad40bde	2020-05-19 15:51:10 +00:00
dan	10757ed0ca	In os_win.c, avoid calling sqlite3_uri_boolean() on anything other than a main-db filename. FossilOrigin-Name: cb0a18e64f8d81c2ada9f698faaf5ca68a0666687bf6f3abc860324cb1997463	2020-05-19 15:40:07 +00:00
drh	1a7feefac5	User-suggested improvement to the README.txt for the ICU extension. FossilOrigin-Name: 1d1293c25abdd4b0fca64e5b1d0a118e2f339635dbc89422c0c2463fbf9ee27f	2020-05-19 12:29:56 +00:00
drh	f16cf653f4	In wal.c, improved comments on concurrency issues. More use of AtomicLoad() and AtomicStore(). FossilOrigin-Name: 4bf566feca3a8fbe5e386533aac30e0ac25836cfc820a3abd91e156bd6198b4a	2020-05-19 12:27:29 +00:00
dan	a5ee67d5b3	Add vdbevtab.lo to build of libsqlite3.lib in Makefile.msc. FossilOrigin-Name: f64d054b799c0af8d582fd9aff9bcbfa380ef08026ba5db8c5f89f6f56dfdad9	2020-05-18 18:02:37 +00:00
drh	c795e3df7a	Avoid harmless UB in memcpy() in the JSON extension. FossilOrigin-Name: 69e149f76853d196c8855fedfc98848b60fb116ac36bc08824b1a122469f8ece	2020-05-17 13:47:28 +00:00
drh	d924e7bc78	Use the sqlite3Realloc() interface internally, rather than the public sqlite3_realloc64() equivalent, to avoid unnecessary calls to sqlite3_initialize(). FossilOrigin-Name: 1313557b512297e7b75ed748894379b2022aecf696d5a58318e46a668321c1ff	2020-05-17 00:26:44 +00:00
drh	b2eb7e46eb	Performance optimization for the sqlite3FindTable() subroutine. FossilOrigin-Name: 55910b9a7287be92af9f95e0af54af822055d15b7eabbcc81d61410d0bf67726	2020-05-16 21:01:00 +00:00
drh	8c1febb2f9	The OP_RealAffinity opcode is not necessary after reading values from a virtual table (such as rtree). It is harmless, but it does use CPU cycles. Might as well leave it off. FossilOrigin-Name: dc18d89354cffcb726722c234a0271ab628a71277b22887eea2bf118028193a6	2020-05-16 18:01:02 +00:00
dan	becd68ba0d	Fix a use-after-free bug in the fts3 snippet() function. FossilOrigin-Name: 0d69f76f0865f9626078bee087a22fb826407279e78cf9d5382e1c985c9f64a9	2020-05-16 17:26:58 +00:00
drh	c48428899d	Extra memory barrier during initialization. FossilOrigin-Name: 043a7e142dfc2b0da5fbc0b025d005ccad4886f0b0ff65426ba9155ca40394ca	2020-05-16 16:23:48 +00:00
dan	62c94d0afe	Add sqlite3BeginBenignMalloc() and EndBenignMalloc() calls to debugging function sqlite3VdbePrintOp(). FossilOrigin-Name: 6f857d0e9e0893524c2f828a1a1600fefb6efeff12ecbc9bb1da106a5aff9c1c	2020-05-16 15:18:27 +00:00
dan	b2c6fe225a	Update code in sqlite3expert.c to account for the fact that "-- TRIGGER xyz" VM comments are now omitted for some builds. FossilOrigin-Name: 7cf93dc55c48c68731a1fe3ae3517fcfeb5c252bfa87e715a333c6194bcc0ace	2020-05-15 18:48:31 +00:00
dan	d48eafb984	Fix another build problem for SQLITE_OMIT_VIRTUALTABLE builds. FossilOrigin-Name: 5e1eb0fa3afd74251bc8f484e3edfa81b15610479431af205bd952c91eecd21f	2020-05-15 16:19:35 +00:00
drh	cc1d9109c4	Fix a documentation typo. No changes to code. FossilOrigin-Name: 758353c72627a847ba027ca44a750bbf057827dafd05811f56e4765dfc77623b	2020-05-15 16:05:31 +00:00
drh	bbf6d4328e	Adjust some requirement marks. No changes to code. FossilOrigin-Name: 7285ae2ce8fb1439e1acea2ec321abbc76aab0a2e84b58683fddb0a7bf74fb1b	2020-05-15 15:03:51 +00:00
dan	2629adc7b2	Update test file e_fkey.test to account for the fact that new columns with REFERENCE clauses and non-NULL default values may now be added using ALTER TABLE if the table is empty. FossilOrigin-Name: 4087fce97252beda2456164afe9508f952fc9fe4be68ad0e9b330569a78e42f2	2020-05-15 13:52:33 +00:00
dan	34d1566763	Fix SQLITE_OMIT_VIRTUALTABLE testfixture builds. FossilOrigin-Name: 3d9780c5f6095ea35bc731a51eb34d7cf8bd5dcece825b686b94fd50131626e2	2020-05-15 11:36:16 +00:00
dan	a796de8300	Test script changes to account for the fact that the "p5" column in the EXPLAIN output is now an integer, not a text values containing a 2-digit hex value. FossilOrigin-Name: 102126d80872fdb7469233611cab28100c8455aab4ce25702b83398394559185	2020-05-15 11:26:31 +00:00
mistachkin	a8e41ecaca	Enhancements to long-path support in the Win32 VFS. FossilOrigin-Name: 0119d96decd344ae711388ac8475b92464a6d018ecf73862170f137410036dac	2020-05-15 01:18:07 +00:00
drh	043c8f60a8	Move some new test cases from fts3snippet.test into fts3snippet2.test. FossilOrigin-Name: fa203999944133941a38e5c858f1f66fc1ef4d2f33222ab81cbf4e3fc1539f1c	2020-05-15 01:13:46 +00:00
drh	856408abf4	Add the SQLITE_ENABLE_FTS3_PARENTHESIS option to fuzzcheck. Add a new test case that uses that option. FossilOrigin-Name: c49a33db954f1a3fbc1889bbe9f3f3fdb8fb00e31aafb91cd6f5d1602db5c2b9	2020-05-15 01:02:00 +00:00
drh	219b8e7e75	Fix a null pointer deference that can occur on a strange matchinfo() query. FossilOrigin-Name: a4dd148928ea65bd4e1654dfacc3d8057d1f85b8c9939416991d50722e5a720e	2020-05-14 23:59:24 +00:00
drh	3d863b5e4e	Do not allow a virtual table to be renamed into the name of one of its shadows. FossilOrigin-Name: eca0ba2cf4c0fdf757bae19c6397a48245adb99e8017ddc28f01804072a30b2c	2020-05-14 21:16:52 +00:00
drh	3c0e606bba	Implement the IIF(x,y,z) SQL function that is short-hand for "CASE WHEN x THEN y ELSE z END". For compatibility with SQL Server. FossilOrigin-Name: fce173cd211b15867369b6a54fad48168352fc83981a722ce98e57299b88608a	2020-05-13 18:03:34 +00:00
drh	ffe421c76a	Remove unused constant SQLITE_FUNC_COALESCE. FossilOrigin-Name: a116b20f863e9732cd08fbfbb1aa48204a17d611c9c1edde85dcf59310bde782	2020-05-13 17:26:38 +00:00
dan	8b4f231c47	Use AtomicStore() and AtomicLoad() in a few more places to avoid a theoretically undefined behaviour. This is not actually problem on any known hardware. FossilOrigin-Name: fda57d4d2f1499c861d43026aa9362d1a30d67c9c002ebf5b0cdc25251537fbb	2020-05-13 13:33:30 +00:00
drh	2493dcdd07	New test case in test/fuzzdata8.db. FossilOrigin-Name: fa11230135610f01c56d6f436f30a8b57a50b430fe7397ea3a0b6642986b3a39	2020-05-11 11:11:25 +00:00
dan	efa78884a8	Fix a problem handling constant integer expressions with collation sequences in PARTITION BY clauses. FossilOrigin-Name: 155e6649efe8614718be7ac6c3cccf5b073ae57496dc220db5e4313621f5188e	2020-05-11 10:55:24 +00:00
drh	9e5fdc41c1	Release some restrictions on columns added by ALTER TABLE so that they only apply if the table contains one or more rows. FossilOrigin-Name: 3a16c0ce4d8851f79f670d94786032c8007619154ece44647dc9cc5b1f9654ff	2020-05-08 19:02:21 +00:00
drh	98aa1d735e	Fix the count-optimization so that it honors the NOT INDEXED clause. FossilOrigin-Name: 0d23a0b209900f4d7c6c13f75d4364f19afc23db72f9cfdb11e05b81502e8040	2020-05-08 18:22:00 +00:00
drh	91d4c374e2	New test cases added to test/fuzzdata8.db. FossilOrigin-Name: 3fce9711a47329811cd333ae2f1d1384a96d73b9a5d6f9d08454a57a3fd24fc8	2020-05-08 15:28:07 +00:00
drh	acc175215a	Do not retry on a failed realloc() unless SQLITE_ENABLE_MEMORY_MANAGEMENT is available, meaning that the retry has some possibility of success. FossilOrigin-Name: e9a8f910b5e2b84dd77364783f0610bca970cc88aa037c88636c72145b99f411	2020-05-08 10:44:23 +00:00
dan	2d3ed22a3f	Fix a failing assert() in fts3 triggered by a corrupt database. FossilOrigin-Name: cb299a090c81cdc5c116c4e15ab38fce112916f8b0fad0c7f2ab127e79238a94	2020-05-07 19:55:40 +00:00
dan	b28f44eba2	Changes to avoid deadlock in SQLITE_ENABLE_SETLK_TIMEOUT builds. FossilOrigin-Name: 652e4b23fffbff128b177697d7217b7d5aad8baf2364df1646b268ce6774e0fb	2020-05-07 14:39:56 +00:00
@@ -1 +1 @@
 .32.0
 .32.2