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Overview
| Comment: | Call sqlite3Prepare() directly, rather than going through sqlite3_prepare(), when processing the sqlite_master.sql column for a schema. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
cc49380ea76a4a05843d3a0bdfb92546 |
| User & Date: | drh 2019-10-05 18:33:25 |
Context
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2019-10-05
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| 19:24 | Optimization to sqlite3VtabUnlockList() for the common case when there is no work to do. check-in: fc8d4508 user: drh tags: trunk | |
| 18:33 | Call sqlite3Prepare() directly, rather than going through sqlite3_prepare(), when processing the sqlite_master.sql column for a schema. check-in: cc49380e user: drh tags: trunk | |
| 15:28 | Reorder two comparisons for a small performance gain in OP_Transaction. check-in: d7667f65 user: drh tags: trunk | |
Changes
Changes to src/prepare.c.
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int sqlite3IndexHasDuplicateRootPage(Index *pIndex){
Index *p;
for(p=pIndex->pTable->pIndex; p; p=p->pNext){
if( p->tnum==pIndex->tnum && p!=pIndex ) return 1;
}
return 0;
}
/*
** This is the callback routine for the code that initializes the
** database. See sqlite3Init() below for additional information.
** This routine is also called from the OP_ParseSchema opcode of the VDBE.
**
** Each callback contains the following information:
................................................................................
TESTONLY(int rcp); /* Return code from sqlite3_prepare() */
assert( db->init.busy );
db->init.iDb = iDb;
db->init.newTnum = sqlite3Atoi(argv[3]);
db->init.orphanTrigger = 0;
db->init.azInit = argv;
TESTONLY(rcp = ) sqlite3_prepare(db, argv[4], -1, &pStmt, 0);
rc = db->errCode;
assert( (rc&0xFF)==(rcp&0xFF) );
db->init.iDb = saved_iDb;
/* assert( saved_iDb==0 || (db->mDbFlags & DBFLAG_Vacuum)!=0 ); */
if( SQLITE_OK!=rc ){
if( db->init.orphanTrigger ){
assert( iDb==1 );
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int sqlite3IndexHasDuplicateRootPage(Index *pIndex){
Index *p;
for(p=pIndex->pTable->pIndex; p; p=p->pNext){
if( p->tnum==pIndex->tnum && p!=pIndex ) return 1;
}
return 0;
}
/* forward declaration */
static int sqlite3Prepare(
sqlite3 *db, /* Database handle. */
const char *zSql, /* UTF-8 encoded SQL statement. */
int nBytes, /* Length of zSql in bytes. */
u32 prepFlags, /* Zero or more SQLITE_PREPARE_* flags */
Vdbe *pReprepare, /* VM being reprepared */
sqlite3_stmt **ppStmt, /* OUT: A pointer to the prepared statement */
const char **pzTail /* OUT: End of parsed string */
);
/*
** This is the callback routine for the code that initializes the
** database. See sqlite3Init() below for additional information.
** This routine is also called from the OP_ParseSchema opcode of the VDBE.
**
** Each callback contains the following information:
................................................................................
TESTONLY(int rcp); /* Return code from sqlite3_prepare() */
assert( db->init.busy );
db->init.iDb = iDb;
db->init.newTnum = sqlite3Atoi(argv[3]);
db->init.orphanTrigger = 0;
db->init.azInit = argv;
pStmt = 0;
TESTONLY(rcp = ) sqlite3Prepare(db, argv[4], -1, 0, 0, &pStmt, 0);
rc = db->errCode;
assert( (rc&0xFF)==(rcp&0xFF) );
db->init.iDb = saved_iDb;
/* assert( saved_iDb==0 || (db->mDbFlags & DBFLAG_Vacuum)!=0 ); */
if( SQLITE_OK!=rc ){
if( db->init.orphanTrigger ){
assert( iDb==1 );
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