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Add eponymous virtual table "schemapool". For inspecting the current contents of the schema-pool.

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FossilOrigin-Name: 2ebeb747832bd53284ab23b4c2558f0fa550c0ea2b4a6c1640eeb83f8132c556
This commit is contained in:
dan
2019-02-11 19:34:38 +00:00
parent 5add6f25e2
commit d4e11dd78f
10 changed files with 351 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Makefile.in
+2
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@@ -416,6 +416,7 @@ TESTSRC = \
$(TOP)/src/test_quota.c \
$(TOP)/src/test_rtree.c \
$(TOP)/src/test_schema.c \
$(TOP)/src/test_schemapool.c \
$(TOP)/src/test_server.c \
$(TOP)/src/test_superlock.c \
$(TOP)/src/test_syscall.c \
@@ -471,6 +472,7 @@ TESTSRC2 = \
$(TOP)/src/bitvec.c \
$(TOP)/src/btree.c \
$(TOP)/src/build.c \
$(TOP)/src/callback.c \
$(TOP)/src/ctime.c \
$(TOP)/src/date.c \
$(TOP)/src/dbpage.c \
Makefile.msc
+1
View File
@@ -1491,6 +1491,7 @@ TESTSRC = \
$(TOP)\src\test_quota.c \
$(TOP)\src\test_rtree.c \
$(TOP)\src\test_schema.c \
$(TOP)\src\test_schemapool.c \
$(TOP)\src\test_server.c \
$(TOP)\src\test_superlock.c \
$(TOP)\src\test_syscall.c \
main.mk
+2
View File
@@ -341,6 +341,7 @@ TESTSRC = \
$(TOP)/src/test_quota.c \
$(TOP)/src/test_rtree.c \
$(TOP)/src/test_schema.c \
$(TOP)/src/test_schemapool.c \
$(TOP)/src/test_server.c \
$(TOP)/src/test_sqllog.c \
$(TOP)/src/test_superlock.c \
@@ -392,6 +393,7 @@ TESTSRC2 = \
$(TOP)/src/backup.c \
$(TOP)/src/btree.c \
$(TOP)/src/build.c \
$(TOP)/src/callback.c \
$(TOP)/src/date.c \
$(TOP)/src/dbpage.c \
$(TOP)/src/dbstat.c \
manifest
+13 -12
View File
@@ -1,10 +1,10 @@
C Fix\svirtual\stable\ssupport\sfor\sSQLITE_OPEN_REUSABLE_SCHEMA\sconnections.
D 2019-02-09T17:47:14.573
C Add\seponymous\svirtual\stable\s"schemapool".\sFor\sinspecting\sthe\scurrent\scontents\sof\sthe\sschema-pool.
D 2019-02-11T19:34:38.391
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F Makefile.in 178d8eb6840771149cee40b322d1b3be30d330198c522c903c1b66fb5a1bfca4
F Makefile.in 56456706c4da271309914c756c9c8ea537685f1c79f8785afa72f968d6810482
F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
F Makefile.msc 5df60c70edb157feb2148a14c687551969599bd065875a0b959b6b139721ca72
F Makefile.msc bdc4f060e04769b7729b309becc0c3c5623c0f9d98b4d06da9b9ab029f2bad99
F README.md 377233394b905d3b2e2b33741289e093bc93f2e7adbe00923b2c5958c9a9edee
F VERSION 453e2f4529ca208196d5567db28d549d7151f79efd33f6e6cfe6e613e583a0be
F aclocal.m4 a5c22d164aff7ed549d53a90fa56d56955281f50
@@ -436,7 +436,7 @@ F ext/userauth/userauth.c f81aa5a3ecacf406f170c62a144405858f6f6de51dbdc0920134e6
F install-sh 9d4de14ab9fb0facae2f48780b874848cbf2f895 x
F ltmain.sh 3ff0879076df340d2e23ae905484d8c15d5fdea8
F magic.txt 8273bf49ba3b0c8559cb2774495390c31fd61c60
F main.mk 3930eb2fcbebe49ab7408f6fef3baa8c4bf3c84540f9f29dfe849bf561ff6e51
F main.mk 150a31e9c6e1345af86c8382fbe75027c19bb83ec8af759ee72e0554edc05371
F mkso.sh fd21c06b063bb16a5d25deea1752c2da6ac3ed83
F mptest/config01.test 3c6adcbc50b991866855f1977ff172eb6d901271
F mptest/config02.test 4415dfe36c48785f751e16e32c20b077c28ae504
@@ -459,7 +459,7 @@ F src/btree.c 84b7c5c3829b60823e15e7a8407462b69be3818f96518fef28f97ac0fbbca72b
F src/btree.h 63b94fb38ce571c15eb6a3661815561b501d23d5948b2d1e951fbd7a2d04e8d3
F src/btreeInt.h cd82f0f08886078bf99b29e1a7045960b1ca5d9d5829c38607e1299c508eaf00
F src/build.c 5c99b58734e8a5ddb94b1f5734b550d91a762926d11094067aeb5e85da0541bf
F src/callback.c 6d9504d0d3c0af2e288d001b1077ba6ab924e3758b4cbf7bb358693e3855dd7b
F src/callback.c eca06835c52403036e200f0add94174aa3ca6bd128546a1877f6826697ebdf5b
F src/complete.c a3634ab1e687055cd002e11b8f43eb75c17da23e
F src/ctime.c 109e58d00f62e8e71ee1eb5944ac18b90171c928ab2e082e058056e1137cc20b
F src/date.c ebe1dc7c8a347117bb02570f1a931c62dd78f4a2b1b516f4837d45b7d6426957
@@ -509,7 +509,7 @@ F src/pcache.h 4f87acd914cef5016fae3030343540d75f5b85a1877eed1a2a19b9f284248586
F src/pcache1.c fffd5250a323579384a3b3904302b9fe87e186ba24602af3013f749a0234ae98
F src/pragma.c af67dedaad8bafe9a5f9adcec32a0da6dd118617dd8220ad1d118f5a6bf83a02
F src/pragma.h 66f3e237cbba0a40a322d4a5bb58fcffa35bff8289ca9e5635424300479f1a38
F src/prepare.c e9fcf4a4f6dc6895ddb7ec8a1b06d6c90d38863a4b8e274d6f8bc10440e287e9
F src/prepare.c c73b6ab0290a41066850b4c855643bd1d2c854e540373351492cdbb6628e51ae
F src/printf.c cbf27c320091a83279d1738f68a27a9fe01698c607ce80516ab6bdb5a9c36a1a
F src/random.c 80f5d666f23feb3e6665a6ce04c7197212a88384
F src/resolve.c c8f207247472c41ac73d738e1c1a80719ad253d1dbb617ed57740492b2a6c097
@@ -563,11 +563,12 @@ F src/test_quota.c 6cb9297115b551f433a9ad1741817a9831abed99
F src/test_quota.h 2a8ad1952d1d2ca9af0ce0465e56e6c023b5e15d
F src/test_rtree.c 671f3fae50ff116ef2e32a3bf1fe21b5615b4b7b
F src/test_schema.c f575932cb6274d12147a77e13ea4b49d52408513
F src/test_schemapool.c 5a2f06baeb4071ba547db5b47fb0fb43ffe7bdc96e65e0d5045703a726f32c10
F src/test_server.c a2615049954cbb9cfb4a62e18e2f0616e4dc38fe
F src/test_sqllog.c 11e6ce7575f489155c604ac4b439f2ac1d3d5aef
F src/test_superlock.c 4839644b9201da822f181c5bc406c0b2385f672e
F src/test_syscall.c 1073306ba2e9bfc886771871a13d3de281ed3939
F src/test_tclsh.c 06317648b0d85a85fd823f7973b55535c59a3156c1ef59394fe511f932cfa78d
F src/test_tclsh.c ed90fbc48a92ddcbdc12d8c1ce9c5ff3bdb95a82092e62cf401e1e9217463039
F src/test_tclvar.c 33ff42149494a39c5fbb0df3d25d6fafb2f668888e41c0688d07273dcb268dfc
F src/test_thread.c 911d15fb14e19c0c542bdc8aabf981c2f10a4858
F src/test_vfs.c c6c6a58f66b26876c7b5769fb323a58b2c7120299b5084e7212c4116f902cbaa
@@ -1226,7 +1227,7 @@ F test/releasetest.tcl b290d538ffcb2ff711f09eadc7396c1a42580f3fb078605471dc8875c
F test/resetdb.test 8062cf10a09d8c048f8de7711e94571c38b38168db0e5877ba7561789e5eeb2b
F test/resolver01.test f4022acafda7f4d40eca94dbf16bc5fc4ac30ceb
F test/reuse1.test 34781abbe671ec6858fb5969efadc1b3be1f95a6b46483c227fa6055645a8482
F test/reuse2.test b17689a33e75c49a79d422cb112c26cbc198f8da412b16422d85a22469ea6e48
F test/reuse2.test 5722f9da159adc271af2b0e658ab0455253f63f8613b6016b2963685c813081d
F test/rollback.test 06680159bc6746d0f26276e339e3ae2f951c64812468308838e0a3362d911eaa
F test/rollback2.test bc868d57899dc6972e2b4483faae0e03365a0556941474eec487ae21d8d38bb6
F test/rollbackfault.test 0e646aeab8840c399cfbfa43daab46fd609cf04a
@@ -1806,7 +1807,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P 2b2e9f81cdc7a3ac1eacc087fbd0414ead732878aae296bab6b54b4a7cd0a06e
R c880c7120bfc1f9326a01d7ac35e8916
P 3ca8856a7b1c36885cea007b8fb05b59f1fdc9d4b54436819193f498519a23c7
R 61e5a7e6c56dada7e2c808e07073efff
U dan
Z c5e2ad0351b6e43deaf12ac670af6294
Z 2ad6a7c4287694402a3e6fa2e115f13a
manifest.uuid
+1 -1
View File
@@ -1 +1 @@
3ca8856a7b1c36885cea007b8fb05b59f1fdc9d4b54436819193f498519a23c7
2ebeb747832bd53284ab23b4c2558f0fa550c0ea2b4a6c1640eeb83f8132c556
src/callback.c
+6 -3
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@@ -47,18 +47,18 @@ static void assert_schema_state_ok(sqlite3 *db){
if( i!=1 ){
Db *pDb = &db->aDb[i];
Btree *pBt = pDb->pBt;
assert( pBt==0 || sqlite3BtreeSchema(pBt, 0, 0)==0 );
assert( pDb->pSchema );
if( pDb->pSPool ){
if( DbHasProperty(db, i, DB_SchemaLoaded)==0 ){
assert( pDb->pSchema->tblHash.count==0 );
assert( pDb->pSchema==&pDb->pSPool->sSchema );
}else{
assert( pBt==0 || pDb->pSchema!=sqlite3BtreeSchema(pBt, 0, 0) );
assert( pDb->pSchema!=&pDb->pSPool->sSchema );
}
}else{
assert( DbHasProperty(db, i, DB_SchemaLoaded)==0 );
assert( pDb->pSchema->tblHash.count==0 );
assert( pBt==0 || pDb->pSchema!=sqlite3BtreeSchema(pBt, 0, 0) );
assert( pDb->pSchema!=&pDb->pSPool->sSchema );
}
}
@@ -538,6 +538,10 @@ void sqlite3SchemaZero(sqlite3 *db, int iDb){
*/
static SchemaPool *SQLITE_WSD schemaPoolList = 0;
#ifdef SQLITE_TEST
SchemaPool *sqlite3SchemaPoolList(void){ return schemaPoolList; }
#endif
/*
** Check that the schema of db iDb is writable (either because it is the temp
** db schema or because the db handle was opened without
@@ -661,7 +665,6 @@ int sqlite3SchemaDisconnect(sqlite3 *db, int iDb, int bNew){
pDb->pSPool = 0;
pSPool->nRef--;
if( pSPool->nRef<=0 ){
Schema *pNext;
SchemaPool **pp;
while( pSPool->pSchema ){
Schema *pNext = pSPool->pSchema->pNext;
src/prepare.c
+1
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@@ -226,6 +226,7 @@ int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg, u32 mFlags){
initData.pzErrMsg = pzErrMsg;
initData.mInitFlags = mFlags;
initData.nInitRow = 0;
initData.cksum = 0;
sqlite3InitCallback(&initData, 3, (char **)azArg, 0);
if( initData.rc ){
rc = initData.rc;
src/test_schemapool.c
+266
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@@ -0,0 +1,266 @@
/*
** 2006 June 10
**
** 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.
**
*************************************************************************
** Code for testing the virtual table interfaces. This code
** is not included in the SQLite library. It is used for automated
** testing of the SQLite library.
*/
/*
** None of this works unless we have virtual tables.
*/
#if !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(SQLITE_TEST)
#include "sqliteInt.h"
#include <tcl.h>
/* The code in this file defines a sqlite3 virtual-table module with
** the following schema.
*/
#define SCHEMAPOOL_SCHEMA \
"CREATE TABLE x(" \
" cksum INTEGER, " \
" nref INTEGER, " \
" nschema INTEGER " \
")"
typedef struct schemapool_vtab schemapool_vtab;
typedef struct schemapool_cursor schemapool_cursor;
/* A schema table object */
struct schemapool_vtab {
sqlite3_vtab base;
};
/* A schema table cursor object */
struct schemapool_cursor {
sqlite3_vtab_cursor base;
sqlite3_int64 *aData;
int iRow;
int nRow;
};
/*
** Table destructor for the schema module.
*/
static int schemaPoolDestroy(sqlite3_vtab *pVtab){
sqlite3_free(pVtab);
return 0;
}
/*
** Table constructor for the schema module.
*/
static int schemaPoolCreate(
sqlite3 *db,
void *pAux,
int argc, const char *const*argv,
sqlite3_vtab **ppVtab,
char **pzErr
){
int rc = SQLITE_NOMEM;
schemapool_vtab *pVtab = sqlite3_malloc(sizeof(schemapool_vtab));
if( pVtab ){
memset(pVtab, 0, sizeof(schemapool_vtab));
rc = sqlite3_declare_vtab(db, SCHEMAPOOL_SCHEMA);
}
*ppVtab = (sqlite3_vtab *)pVtab;
return rc;
}
/*
** Open a new cursor on the schema table.
*/
static int schemaPoolOpen(sqlite3_vtab *pVTab, sqlite3_vtab_cursor **ppCursor){
int rc = SQLITE_NOMEM;
schemapool_cursor *pCur;
pCur = sqlite3_malloc(sizeof(schemapool_cursor));
if( pCur ){
memset(pCur, 0, sizeof(schemapool_cursor));
*ppCursor = (sqlite3_vtab_cursor*)pCur;
rc = SQLITE_OK;
}
return rc;
}
/*
** Close a schema table cursor.
*/
static int schemaPoolClose(sqlite3_vtab_cursor *cur){
schemapool_cursor *pCur = (schemapool_cursor*)cur;
sqlite3_free(pCur->aData);
sqlite3_free(pCur);
return SQLITE_OK;
}
/*
** Retrieve a column of data.
*/
static int schemaPoolColumn(sqlite3_vtab_cursor *cur, sqlite3_context *ctx, int i){
schemapool_cursor *pCur = (schemapool_cursor*)cur;
assert( i==0 || i==1 || i==2 );
sqlite3_result_int64(ctx, pCur->aData[pCur->iRow*3 + i]);
return SQLITE_OK;
}
/*
** Retrieve the current rowid.
*/
static int schemaPoolRowid(sqlite3_vtab_cursor *cur, sqlite_int64 *pRowid){
schemapool_cursor *pCur = (schemapool_cursor*)cur;
*pRowid = pCur->iRow + 1;
return SQLITE_OK;
}
static int schemaPoolEof(sqlite3_vtab_cursor *cur){
schemapool_cursor *pCur = (schemapool_cursor*)cur;
return pCur->iRow>=pCur->nRow;
}
/*
** Advance the cursor to the next row.
*/
static int schemaPoolNext(sqlite3_vtab_cursor *cur){
schemapool_cursor *pCur = (schemapool_cursor*)cur;
pCur->iRow++;
return SQLITE_OK;
}
struct SchemaPool {
int nRef; /* Number of pointers to this object */
u64 cksum; /* Checksum for this Schema contents */
Schema *pSchema; /* Linked list of Schema objects */
Schema sSchema; /* The single dummy schema object */
SchemaPool *pNext; /* Next element in schemaPoolList */
};
extern SchemaPool *sqlite3SchemaPoolList(void);
/*
** Reset a schemaPool table cursor.
*/
static int schemaPoolFilter(
sqlite3_vtab_cursor *pVtabCursor,
int idxNum, const char *idxStr,
int argc, sqlite3_value **argv
){
SchemaPool *pSPool;
schemapool_cursor *pCur = (schemapool_cursor*)pVtabCursor;
sqlite3_free(pCur->aData);
pCur->aData = 0;
pCur->nRow = 0;
pCur->iRow = 0;
for(pSPool = sqlite3SchemaPoolList(); pSPool; pSPool=pSPool->pNext){
pCur->nRow++;
}
if( pCur->nRow ){
int iRow = 0;
pCur->aData = (i64*)sqlite3_malloc(3 * pCur->nRow * sizeof(i64));
if( pCur->aData==0 ) return SQLITE_NOMEM;
for(pSPool = sqlite3SchemaPoolList(); pSPool; pSPool=pSPool->pNext){
Schema *p;
i64 nSchema = 0;
for(p=pSPool->pSchema; p; p=p->pNext){
nSchema++;
}
pCur->aData[0 + iRow*3] = pSPool->cksum;
pCur->aData[1 + iRow*3] = (i64)pSPool->nRef;
pCur->aData[2 + iRow*3] = nSchema;
iRow++;
}
}
return SQLITE_OK;
}
/*
** Analyse the WHERE condition.
*/
static int schemaPoolBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){
return SQLITE_OK;
}
/*
** A virtual table module that merely echos method calls into TCL
** variables.
*/
static sqlite3_module schemaPoolModule = {
0, /* iVersion */
schemaPoolCreate,
schemaPoolCreate,
schemaPoolBestIndex,
schemaPoolDestroy,
schemaPoolDestroy,
schemaPoolOpen, /* xOpen - open a cursor */
schemaPoolClose, /* xClose - close a cursor */
schemaPoolFilter, /* xFilter - configure scan constraints */
schemaPoolNext, /* xNext - advance a cursor */
schemaPoolEof, /* xEof */
schemaPoolColumn, /* xColumn - read data */
schemaPoolRowid, /* xRowid - read data */
0, /* xUpdate */
0, /* xBegin */
0, /* xSync */
0, /* xCommit */
0, /* xRollback */
0, /* xFindMethod */
0, /* xRename */
};
/*
** Decode a pointer to an sqlite3 object.
*/
extern int getDbPointer(Tcl_Interp *interp, const char *zA, sqlite3 **ppDb);
/*
** Register the schema virtual table module.
*/
static int SQLITE_TCLAPI register_schemapool_module(
ClientData clientData, /* Not used */
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int objc, /* Number of arguments */
Tcl_Obj *CONST objv[] /* Command arguments */
){
sqlite3 *db;
if( objc!=2 ){
Tcl_WrongNumArgs(interp, 1, objv, "DB");
return TCL_ERROR;
}
if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
#ifndef SQLITE_OMIT_VIRTUALTABLE
sqlite3_create_module(db, "schemapool", &schemaPoolModule, 0);
#endif
return TCL_OK;
}
#endif
/*
** Register commands with the TCL interpreter.
*/
int Sqlitetestschemapool_Init(Tcl_Interp *interp){
static struct {
char *zName;
Tcl_ObjCmdProc *xProc;
void *clientData;
} aObjCmd[] = {
{ "register_schemapool_module", register_schemapool_module, 0 },
};
int i;
for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){
Tcl_CreateObjCommand(interp, aObjCmd[i].zName,
aObjCmd[i].xProc, aObjCmd[i].clientData, 0);
}
return TCL_OK;
}
src/test_tclsh.c
+2
View File
@@ -77,6 +77,7 @@ const char *sqlite3TestInit(Tcl_Interp *interp){
extern int Sqlitetest_malloc_Init(Tcl_Interp*);
extern int Sqlitetest_mutex_Init(Tcl_Interp*);
extern int Sqlitetestschema_Init(Tcl_Interp*);
extern int Sqlitetestschemapool_Init(Tcl_Interp*);
extern int Sqlitetestsse_Init(Tcl_Interp*);
extern int Sqlitetesttclvar_Init(Tcl_Interp*);
extern int Sqlitetestfs_Init(Tcl_Interp*);
@@ -146,6 +147,7 @@ const char *sqlite3TestInit(Tcl_Interp *interp){
Sqlitetest_malloc_Init(interp);
Sqlitetest_mutex_Init(interp);
Sqlitetestschema_Init(interp);
Sqlitetestschemapool_Init(interp);
Sqlitetesttclvar_Init(interp);
Sqlitetestfs_Init(interp);
SqlitetestThread_Init(interp);
test/reuse2.test
+57
View File
@@ -56,4 +56,61 @@ ifcapable fts5 {
} {{one two three}}
}
#--------------------------------------------------------------------------
reset_db
do_execsql_test 3.0 {
CREATE TABLE t1(x INTEGER PRIMARY KEY, y UNIQUE, z);
CREATE INDEX i1 ON t1(z);
PRAGMA schema_version;
} {2}
do_test 3.1 {
sqlite3 db1 test.db -reuse-schema 1
sqlite3 db2 test.db -reuse-schema 1
} {}
do_execsql_test -db db1 3.2.1 { SELECT * FROM t1 }
do_execsql_test -db db2 3.2.2 { SELECT * FROM t1 }
register_schemapool_module db
do_execsql_test 3.3 {
SELECT 'nref=' || nRef, 'nschema=' || nSchema FROM schemapool;
} {nref=2 nschema=1}
sqlite3 db3 test.db -reuse-schema 1
register_schemapool_module db3
do_execsql_test 3.5 {
SELECT 'nref=' || nRef, 'nschema=' || nSchema FROM schemapool;
} {nref=2 nschema=1}
do_execsql_test -db db3 3.6 {
SELECT * FROM t1;
SELECT 'nref=' || nRef, 'nschema=' || nSchema FROM schemapool;
} {nref=3 nschema=1}
do_execsql_test 3.7 {
CREATE TABLE t2(x);
}
do_execsql_test 3.8 {
SELECT 'nref=' || nRef, 'nschema=' || nSchema FROM schemapool;
} {nref=3 nschema=1}
do_execsql_test -db db1 3.9.1 { SELECT * FROM t1 }
do_execsql_test 3.9.2 {
SELECT 'nref=' || nRef, 'nschema=' || nSchema FROM schemapool ORDER BY 1;
} {nref=1 nschema=1 nref=2 nschema=1}
do_execsql_test -db db2 3.10.1 { SELECT * FROM t1 }
do_execsql_test 3.10.2 {
SELECT 'nref=' || nRef, 'nschema=' || nSchema FROM schemapool ORDER BY 1;
} {nref=1 nschema=1 nref=2 nschema=1}
do_execsql_test -db db3 3.11.1 { SELECT * FROM t1 }
do_execsql_test 3.11.2 {
SELECT 'nref=' || nRef, 'nschema=' || nSchema FROM schemapool ORDER BY 1;
} {nref=3 nschema=1}
finish_test