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Use sqlite3DbFreeNN() instead of sqlite3DbFree() in a few hot spots for

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better performance.

FossilOrigin-Name: b12de0ecc78a4f654c8e7b2b17cc2201688808a4f516908e9563a216677e655c
This commit is contained in:
drh
2022-03-28 14:18:03 +00:00
parent f5a8386c32
commit da3ec15f3c
4 changed files with 15 additions and 13 deletions
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src/tokenize.c
+1 -1
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@@ -710,7 +710,7 @@ int sqlite3RunParser(Parse *pParse, const char *zSql){
if( pParse->pNewTrigger && !IN_RENAME_OBJECT ){
sqlite3DeleteTrigger(db, pParse->pNewTrigger);
}
sqlite3DbFree(db, pParse->pVList);
if( pParse->pVList ) sqlite3DbFreeNN(db, pParse->pVList);
db->pParse = pParentParse;
assert( nErr==0 || pParse->rc!=SQLITE_OK );
return nErr;
src/vdbeaux.c
+6 -4
View File
@@ -3439,7 +3439,10 @@ void sqlite3VdbeDeleteAuxData(sqlite3 *db, AuxData **pp, int iOp, int mask){
void sqlite3VdbeClearObject(sqlite3 *db, Vdbe *p){
SubProgram *pSub, *pNext;
assert( p->db==0 || p->db==db );
releaseMemArray(p->aColName, p->nResColumn*COLNAME_N);
if( p->aColName ){
releaseMemArray(p->aColName, p->nResColumn*COLNAME_N);
sqlite3DbFreeNN(db, p->aColName);
}
for(pSub=p->pProgram; pSub; pSub=pNext){
pNext = pSub->pNext;
vdbeFreeOpArray(db, pSub->aOp, pSub->nOp);
@@ -3447,11 +3450,10 @@ void sqlite3VdbeClearObject(sqlite3 *db, Vdbe *p){
}
if( p->iVdbeMagic!=VDBE_MAGIC_INIT ){
releaseMemArray(p->aVar, p->nVar);
sqlite3DbFree(db, p->pVList);
sqlite3DbFree(db, p->pFree);
if( p->pVList ) sqlite3DbFreeNN(db, p->pVList);
if( p->pFree ) sqlite3DbFreeNN(db, p->pFree);
}
vdbeFreeOpArray(db, p->aOp, p->nOp);
sqlite3DbFree(db, p->aColName);
sqlite3DbFree(db, p->zSql);
#ifdef SQLITE_ENABLE_NORMALIZE
sqlite3DbFree(db, p->zNormSql);