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Overview
| Comment: | Performance optimization for the sqlite3ExprListDelete() routine. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 2764aeaa11f38cf2ff4d6191e6d5466ddb203022 |
| User & Date: | drh 2016-04-11 18:25:05 |
Context
|
2016-04-11
| ||
| 19:01 | Performance optimization to sqlite3Dequote() and its callers. check-in: 9efe2265 user: drh tags: trunk | |
| 18:50 | Merge latest trunk changes with this branch. check-in: ffc62af1 user: dan tags: tempfiles-lazy-open | |
| 18:25 | Performance optimization for the sqlite3ExprListDelete() routine. check-in: 2764aeaa user: drh tags: trunk | |
| 18:15 | Performance optimizations in the column cache of the code generator, and especially the sqlite3ExprCacheRemove() routine. check-in: e35b345c user: drh tags: trunk | |
Changes
Changes to src/expr.c.
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sqlite3ErrorMsg(pParse, "too many columns in %s", zObject);
}
}
/*
** Delete an entire expression list.
*/
void sqlite3ExprListDelete(sqlite3 *db, ExprList *pList){
int i;
struct ExprList_item *pItem;
if( pList==0 ) return;
assert( pList->a!=0 || pList->nExpr==0 );
for(pItem=pList->a, i=0; i<pList->nExpr; i++, pItem++){
sqlite3ExprDelete(db, pItem->pExpr);
sqlite3DbFree(db, pItem->zName);
sqlite3DbFree(db, pItem->zSpan);
}
sqlite3DbFree(db, pList->a);
sqlite3DbFree(db, pList);
}
/*
** Return the bitwise-OR of all Expr.flags fields in the given
** ExprList.
*/
u32 sqlite3ExprListFlags(const ExprList *pList){
|
| < > > > |
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sqlite3ErrorMsg(pParse, "too many columns in %s", zObject);
}
}
/*
** Delete an entire expression list.
*/
static SQLITE_NOINLINE void exprListDeleteNN(sqlite3 *db, ExprList *pList){
int i;
struct ExprList_item *pItem;
assert( pList->a!=0 || pList->nExpr==0 );
for(pItem=pList->a, i=0; i<pList->nExpr; i++, pItem++){
sqlite3ExprDelete(db, pItem->pExpr);
sqlite3DbFree(db, pItem->zName);
sqlite3DbFree(db, pItem->zSpan);
}
sqlite3DbFree(db, pList->a);
sqlite3DbFree(db, pList);
}
void sqlite3ExprListDelete(sqlite3 *db, ExprList *pList){
if( pList ) exprListDeleteNN(db, pList);
}
/*
** Return the bitwise-OR of all Expr.flags fields in the given
** ExprList.
*/
u32 sqlite3ExprListFlags(const ExprList *pList){
|