diff options
Diffstat (limited to 'src/backend/rewrite/rewriteHandler.c')
| -rw-r--r-- | src/backend/rewrite/rewriteHandler.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/src/backend/rewrite/rewriteHandler.c b/src/backend/rewrite/rewriteHandler.c index b2b8c051f60..26626d0bb8a 100644 --- a/src/backend/rewrite/rewriteHandler.c +++ b/src/backend/rewrite/rewriteHandler.c @@ -6,7 +6,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteHandler.c,v 1.42 1999/05/17 17:03:38 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteHandler.c,v 1.43 1999/05/17 18:22:19 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -2762,11 +2762,20 @@ QueryRewrite(Query *parsetree) * attributes and the types are compatible */ void check_targetlists_are_compatible(List *prev_target, List *current_target) { - List *next_target; + List *tl, *next_target; + int prev_len = 0, next_len = 0; + + foreach(tl, prev_target) + if (!((TargetEntry *) lfirst(tl))->resdom->resjunk) + prev_len++; + + foreach(next_target, current_target) + if (!((TargetEntry *) lfirst(next_target))->resdom->resjunk) + next_len++; - if (length(prev_target) != - length(current_target)) - elog(ERROR,"Each UNION | EXCEPT | INTERSECT query must have the same number of columns."); + if (prev_len != next_len) + elog(ERROR,"Each UNION | EXCEPT | INTERSECT query must have the same number of columns."); + foreach(next_target, current_target) { Oid itype; |