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Fix mistaken Assert in adjust_appendrel_attr_needed, per Greg Stark.

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This commit is contained in:
Tom Lane 2007-07-12 18:27:01 +00:00
parent 017f2d2f18
commit bc8d164d06
1 changed files with 2 additions and 3 deletions
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5
src/backend/optimizer/prep/prepunion.c
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@ -22,7 +22,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/optimizer/prep/prepunion.c,v 1.142 2007/06/11 01:16:23 tgl Exp $ * $PostgreSQL: pgsql/src/backend/optimizer/prep/prepunion.c,v 1.143 2007/07/12 18:27:01 tgl Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -1288,8 +1288,6 @@ adjust_appendrel_attr_needed(RelOptInfo *oldrel, AppendRelInfo *appinfo,
ListCell *lm; ListCell *lm;
/* Create empty result array */ /* Create empty result array */
Assert(new_min_attr <= oldrel->min_attr);
Assert(new_max_attr >= oldrel->max_attr);
new_attr_needed = (Relids *) new_attr_needed = (Relids *)
palloc0((new_max_attr - new_min_attr + 1) * sizeof(Relids)); palloc0((new_max_attr - new_min_attr + 1) * sizeof(Relids));
/* Process user attributes, with appropriate attno mapping */ /* Process user attributes, with appropriate attno mapping */
@ -1312,6 +1310,7 @@ adjust_appendrel_attr_needed(RelOptInfo *oldrel, AppendRelInfo *appinfo,
parent_attr++; parent_attr++;
} }
/* Process system attributes, including whole-row references */ /* Process system attributes, including whole-row references */
Assert(new_min_attr <= oldrel->min_attr);
for (parent_attr = oldrel->min_attr; parent_attr <= 0; parent_attr++) for (parent_attr = oldrel->min_attr; parent_attr <= 0; parent_attr++)
{ {
Relids attrneeded; Relids attrneeded;