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Overview
| Comment: | Save a few bytes and a few CPU cycles in sqlite3ExprListDelete() routine. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
9e6c939144a129b36bb119120442a4a0 |
| User & Date: | drh 2017-04-05 11:57:56 |
Context
|
2017-04-05
| ||
| 12:39 | Split off sqlite3DbFreeNN() from sqlite3DbFree() and use it in cases where we know that the argument to be freed is never NULL. (check-in: ad90e8bb user: drh tags: trunk) | |
| 11:57 | Save a few bytes and a few CPU cycles in sqlite3ExprListDelete() routine. (check-in: 9e6c9391 user: drh tags: trunk) | |
| 11:49 | Remove a conditional made unreachable by the previous ExprList enhancement. (check-in: a1cf4476 user: drh tags: trunk) | |
Changes
Changes to src/expr.c.
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}
}
/*
** Delete an entire expression list.
*/
static SQLITE_NOINLINE void exprListDeleteNN(sqlite3 *db, ExprList *pList){
int i;
struct ExprList_item *pItem;
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);
}
void sqlite3ExprListDelete(sqlite3 *db, ExprList *pList){
if( pList ) exprListDeleteNN(db, pList);
}
/*
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}
}
/*
** Delete an entire expression list.
*/
static SQLITE_NOINLINE void exprListDeleteNN(sqlite3 *db, ExprList *pList){
int i = pList->nExpr;
struct ExprList_item *pItem = pList->a;
assert( pList->nExpr>0 );
do{
sqlite3ExprDelete(db, pItem->pExpr);
sqlite3DbFree(db, pItem->zName);
sqlite3DbFree(db, pItem->zSpan);
pItem++;
}while( --i>0 );
sqlite3DbFree(db, pList);
}
void sqlite3ExprListDelete(sqlite3 *db, ExprList *pList){
if( pList ) exprListDeleteNN(db, pList);
}
/*
|