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Use an iterator for the index loop in sqlite3GenerateConstraintChecks().

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The idea is that this iterator can be enhanced to traverse the indexes in
any order, as required by multi-index UPSERT.

FossilOrigin-Name: 64a4a91ecc5dcde3fa07d3cf038c74b9ede63d36628ecfb35203a9dfbbfe113c
This commit is contained in:
drh
2020-12-10 20:31:25 +00:00
parent 91f2717f22
commit daf2761c62
5 changed files with 75 additions and 36 deletions
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2
src/upsert.c
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@@ -25,7 +25,7 @@ static void SQLITE_NOINLINE upsertDelete(sqlite3 *db, Upsert *p){
sqlite3ExprDelete(db, p->pUpsertTargetWhere);
sqlite3ExprListDelete(db, p->pUpsertSet);
sqlite3ExprDelete(db, p->pUpsertWhere);
sqlite3DbFree(db, p->pIdxList);
sqlite3DbFree(db, p->pToFree);
sqlite3DbFree(db, p);
p = pNext;
}while( p );