diff options
Diffstat (limited to 'src/backend/executor/execMain.c')
| -rw-r--r-- | src/backend/executor/execMain.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/backend/executor/execMain.c b/src/backend/executor/execMain.c index fa98950ac1f..863c13b64ec 100644 --- a/src/backend/executor/execMain.c +++ b/src/backend/executor/execMain.c @@ -26,7 +26,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/executor/execMain.c,v 1.105 2000/01/17 23:57:45 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/executor/execMain.c,v 1.106 2000/01/19 23:54:53 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -1487,7 +1487,6 @@ ExecRelCheck(Relation rel, HeapTuple tuple, EState *estate) RangeTblEntry *rte = makeNode(RangeTblEntry); List *rtlist; List *qual; - bool res; int i; slot->val = tuple; @@ -1526,9 +1525,12 @@ ExecRelCheck(Relation rel, HeapTuple tuple, EState *estate) { qual = estate->es_result_relation_constraints[i]; - res = ExecQual(qual, econtext); - - if (!res) + /* + * NOTE: SQL92 specifies that a NULL result from a constraint + * expression is not to be treated as a failure. Therefore, + * tell ExecQual to return TRUE for NULL. + */ + if (! ExecQual(qual, econtext, true)) return check[i].ccname; } |