diff options
Diffstat (limited to 'src/backend/optimizer/prep/prepunion.c')
| -rw-r--r-- | src/backend/optimizer/prep/prepunion.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/src/backend/optimizer/prep/prepunion.c b/src/backend/optimizer/prep/prepunion.c index 367ef4a58a7..f41466dbd5c 100644 --- a/src/backend/optimizer/prep/prepunion.c +++ b/src/backend/optimizer/prep/prepunion.c @@ -14,7 +14,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/optimizer/prep/prepunion.c,v 1.74 2002/06/20 20:29:31 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/prep/prepunion.c,v 1.75 2002/08/02 18:15:06 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -797,9 +797,16 @@ adjust_inherited_attrs_mutator(Node *node, { var->varno = context->new_rt_index; if (var->varattno > 0) - var->varattno = get_attnum(context->new_relid, - get_attname(context->old_relid, - var->varattno)); + { + char *attname = get_attname(context->old_relid, + var->varattno); + + var->varattno = get_attnum(context->new_relid, attname); + if (var->varattno == InvalidAttrNumber) + elog(ERROR, "Relation \"%s\" has no column \"%s\"", + get_rel_name(context->new_relid), attname); + pfree(attname); + } } return (Node *) var; } |