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-rw-r--r--src/backup.c22
-rw-r--r--src/btree.c2
-rw-r--r--src/prepare.c68
-rw-r--r--src/wherecode.c12
4 files changed, 43 insertions, 61 deletions
diff --git a/src/backup.c b/src/backup.c
index eb8f15cc7..165144d96 100644
--- a/src/backup.c
+++ b/src/backup.c
@@ -83,22 +83,16 @@ static Btree *findBtree(sqlite3 *pErrorDb, sqlite3 *pDb, const char *zDb){
int i = sqlite3FindDbName(pDb, zDb);
if( i==1 ){
- Parse *pParse;
+ Parse sParse;
int rc = 0;
- pParse = sqlite3StackAllocZero(pErrorDb, sizeof(*pParse));
- if( pParse==0 ){
- sqlite3ErrorWithMsg(pErrorDb, SQLITE_NOMEM, "out of memory");
- rc = SQLITE_NOMEM_BKPT;
- }else{
- pParse->db = pDb;
- if( sqlite3OpenTempDatabase(pParse) ){
- sqlite3ErrorWithMsg(pErrorDb, pParse->rc, "%s", pParse->zErrMsg);
- rc = SQLITE_ERROR;
- }
- sqlite3DbFree(pErrorDb, pParse->zErrMsg);
- sqlite3ParserReset(pParse);
- sqlite3StackFree(pErrorDb, pParse);
+ memset(&sParse, 0, sizeof(sParse));
+ sParse.db = pDb;
+ if( sqlite3OpenTempDatabase(&sParse) ){
+ sqlite3ErrorWithMsg(pErrorDb, sParse.rc, "%s", sParse.zErrMsg);
+ rc = SQLITE_ERROR;
}
+ sqlite3DbFree(pErrorDb, sParse.zErrMsg);
+ sqlite3ParserReset(&sParse);
if( rc ){
return 0;
}
diff --git a/src/btree.c b/src/btree.c
index 681285ac9..45b4750b7 100644
--- a/src/btree.c
+++ b/src/btree.c
@@ -763,7 +763,7 @@ static int btreeMoveto(
){
int rc; /* Status code */
UnpackedRecord *pIdxKey; /* Unpacked index key */
- char aSpace[200]; /* Temp space for pIdxKey - to avoid a malloc */
+ char aSpace[384]; /* Temp space for pIdxKey - to avoid a malloc */
char *pFree = 0;
if( pKey ){
diff --git a/src/prepare.c b/src/prepare.c
index 3be1c9b90..74127bc76 100644
--- a/src/prepare.c
+++ b/src/prepare.c
@@ -518,20 +518,14 @@ static int sqlite3Prepare(
sqlite3_stmt **ppStmt, /* OUT: A pointer to the prepared statement */
const char **pzTail /* OUT: End of parsed string */
){
- Parse *pParse; /* Parsing context */
char *zErrMsg = 0; /* Error message */
int rc = SQLITE_OK; /* Result code */
int i; /* Loop counter */
+ Parse sParse; /* Parsing context */
- /* Allocate the parsing context */
- pParse = sqlite3StackAllocRaw(db, sizeof(*pParse));
- if( pParse==0 ){
- rc = SQLITE_NOMEM_BKPT;
- goto end_prepare;
- }
- memset(pParse, 0, PARSE_HDR_SZ);
- memset(PARSE_TAIL(pParse), 0, PARSE_TAIL_SZ);
- pParse->pReprepare = pReprepare;
+ memset(&sParse, 0, PARSE_HDR_SZ);
+ memset(PARSE_TAIL(&sParse), 0, PARSE_TAIL_SZ);
+ sParse.pReprepare = pReprepare;
assert( ppStmt && *ppStmt==0 );
/* assert( !db->mallocFailed ); // not true with SQLITE_USE_ALLOCA */
assert( sqlite3_mutex_held(db->mutex) );
@@ -575,8 +569,7 @@ static int sqlite3Prepare(
sqlite3VtabUnlockList(db);
- pParse->db = db;
- pParse->nQueryLoop = 0; /* Logarithmic, so 0 really means 1 */
+ sParse.db = db;
if( nBytes>=0 && (nBytes==0 || zSql[nBytes-1]!=0) ){
char *zSqlCopy;
int mxLen = db->aLimit[SQLITE_LIMIT_SQL_LENGTH];
@@ -589,61 +582,61 @@ static int sqlite3Prepare(
}
zSqlCopy = sqlite3DbStrNDup(db, zSql, nBytes);
if( zSqlCopy ){
- sqlite3RunParser(pParse, zSqlCopy, &zErrMsg);
- pParse->zTail = &zSql[pParse->zTail-zSqlCopy];
+ sqlite3RunParser(&sParse, zSqlCopy, &zErrMsg);
+ sParse.zTail = &zSql[sParse.zTail-zSqlCopy];
sqlite3DbFree(db, zSqlCopy);
}else{
- pParse->zTail = &zSql[nBytes];
+ sParse.zTail = &zSql[nBytes];
}
}else{
- sqlite3RunParser(pParse, zSql, &zErrMsg);
+ sqlite3RunParser(&sParse, zSql, &zErrMsg);
}
- assert( 0==pParse->nQueryLoop );
+ assert( 0==sParse.nQueryLoop );
- if( pParse->rc==SQLITE_DONE ) pParse->rc = SQLITE_OK;
- if( pParse->checkSchema ){
- schemaIsValid(pParse);
+ if( sParse.rc==SQLITE_DONE ) sParse.rc = SQLITE_OK;
+ if( sParse.checkSchema ){
+ schemaIsValid(&sParse);
}
if( db->mallocFailed ){
- pParse->rc = SQLITE_NOMEM_BKPT;
+ sParse.rc = SQLITE_NOMEM_BKPT;
}
if( pzTail ){
- *pzTail = pParse->zTail;
+ *pzTail = sParse.zTail;
}
- rc = pParse->rc;
+ rc = sParse.rc;
#ifndef SQLITE_OMIT_EXPLAIN
- if( rc==SQLITE_OK && pParse->pVdbe && pParse->explain ){
+ if( rc==SQLITE_OK && sParse.pVdbe && sParse.explain ){
static const char * const azColName[] = {
"addr", "opcode", "p1", "p2", "p3", "p4", "p5", "comment",
"selectid", "order", "from", "detail"
};
int iFirst, mx;
- if( pParse->explain==2 ){
- sqlite3VdbeSetNumCols(pParse->pVdbe, 4);
+ if( sParse.explain==2 ){
+ sqlite3VdbeSetNumCols(sParse.pVdbe, 4);
iFirst = 8;
mx = 12;
}else{
- sqlite3VdbeSetNumCols(pParse->pVdbe, 8);
+ sqlite3VdbeSetNumCols(sParse.pVdbe, 8);
iFirst = 0;
mx = 8;
}
for(i=iFirst; i<mx; i++){
- sqlite3VdbeSetColName(pParse->pVdbe, i-iFirst, COLNAME_NAME,
+ sqlite3VdbeSetColName(sParse.pVdbe, i-iFirst, COLNAME_NAME,
azColName[i], SQLITE_STATIC);
}
}
#endif
if( db->init.busy==0 ){
- Vdbe *pVdbe = pParse->pVdbe;
- sqlite3VdbeSetSql(pVdbe, zSql, (int)(pParse->zTail-zSql), saveSqlFlag);
+ Vdbe *pVdbe = sParse.pVdbe;
+ sqlite3VdbeSetSql(pVdbe, zSql, (int)(sParse.zTail-zSql), saveSqlFlag);
}
- if( pParse->pVdbe && (rc!=SQLITE_OK || db->mallocFailed) ){
- sqlite3VdbeFinalize(pParse->pVdbe);
+ if( sParse.pVdbe && (rc!=SQLITE_OK || db->mallocFailed) ){
+ sqlite3VdbeFinalize(sParse.pVdbe);
assert(!(*ppStmt));
}else{
- *ppStmt = (sqlite3_stmt*)pParse->pVdbe;
+ *ppStmt = (sqlite3_stmt*)sParse.pVdbe;
}
if( zErrMsg ){
@@ -654,16 +647,15 @@ static int sqlite3Prepare(
}
/* Delete any TriggerPrg structures allocated while parsing this statement. */
- while( pParse->pTriggerPrg ){
- TriggerPrg *pT = pParse->pTriggerPrg;
- pParse->pTriggerPrg = pT->pNext;
+ while( sParse.pTriggerPrg ){
+ TriggerPrg *pT = sParse.pTriggerPrg;
+ sParse.pTriggerPrg = pT->pNext;
sqlite3DbFree(db, pT);
}
end_prepare:
- sqlite3ParserReset(pParse);
- sqlite3StackFree(db, pParse);
+ sqlite3ParserReset(&sParse);
rc = sqlite3ApiExit(db, rc);
assert( (rc&db->errMask)==rc );
return rc;
diff --git a/src/wherecode.c b/src/wherecode.c
index 0948dce4e..ec21e0bf6 100644
--- a/src/wherecode.c
+++ b/src/wherecode.c
@@ -1987,7 +1987,7 @@ Bitmask sqlite3WhereCodeOneLoopStart(
** the implied "t1.a=123" constraint.
*/
for(pTerm=pWC->a, j=pWC->nTerm; j>0; j--, pTerm++){
- Expr *pE, *pEAlt;
+ Expr *pE, sEAlt;
WhereTerm *pAlt;
if( pTerm->wtFlags & (TERM_VIRTUAL|TERM_CODED) ) continue;
if( (pTerm->eOperator & (WO_EQ|WO_IS))==0 ) continue;
@@ -2005,13 +2005,9 @@ Bitmask sqlite3WhereCodeOneLoopStart(
testcase( pAlt->eOperator & WO_IS );
testcase( pAlt->eOperator & WO_IN );
VdbeModuleComment((v, "begin transitive constraint"));
- pEAlt = sqlite3StackAllocRaw(db, sizeof(*pEAlt));
- if( pEAlt ){
- *pEAlt = *pAlt->pExpr;
- pEAlt->pLeft = pE->pLeft;
- sqlite3ExprIfFalse(pParse, pEAlt, addrCont, SQLITE_JUMPIFNULL);
- sqlite3StackFree(db, pEAlt);
- }
+ sEAlt = *pAlt->pExpr;
+ sEAlt.pLeft = pE->pLeft;
+ sqlite3ExprIfFalse(pParse, &sEAlt, addrCont, SQLITE_JUMPIFNULL);
}
/* For a LEFT OUTER JOIN, generate code that will record the fact that
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-18 23:39:17 +0000