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Simplifh the IdList object to remove unnecessary fields. Performance

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increases by about 0.8%.

FossilOrigin-Name: a4625bb995dd5582d1f3cf0c2e54eb3f01f1cc1405811dda86ebd38b2b858994
This commit is contained in:
drh
2025-01-28 12:50:17 +00:00
parent b0c8b08874
commit 8b62a82ae3
7 changed files with 24 additions and 46 deletions
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src/expr.c
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@@ -1932,16 +1932,13 @@ IdList *sqlite3IdListDup(sqlite3 *db, const IdList *p){
int i;
assert( db!=0 );
if( p==0 ) return 0;
assert( p->eU4!=EU4_EXPR );
pNew = sqlite3DbMallocRawNN(db, sizeof(*pNew)+(p->nId-1)*sizeof(p->a[0]) );
if( pNew==0 ) return 0;
pNew->nId = p->nId;
pNew->eU4 = p->eU4;
for(i=0; i<p->nId; i++){
struct IdList_item *pNewItem = &pNew->a[i];
const struct IdList_item *pOldItem = &p->a[i];
pNewItem->zName = sqlite3DbStrDup(db, pOldItem->zName);
pNewItem->u4 = pOldItem->u4;
}
return pNew;
}