diff options
Diffstat (limited to 'src/backend/optimizer/path/allpaths.c')
| -rw-r--r-- | src/backend/optimizer/path/allpaths.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/backend/optimizer/path/allpaths.c b/src/backend/optimizer/path/allpaths.c index dc428abdab9..24a51149e45 100644 --- a/src/backend/optimizer/path/allpaths.c +++ b/src/backend/optimizer/path/allpaths.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/optimizer/path/allpaths.c,v 1.117 2004/06/01 03:02:51 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/optimizer/path/allpaths.c,v 1.118 2004/06/05 01:55:04 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -302,11 +302,15 @@ set_inherited_rel_pathlist(Query *root, RelOptInfo *rel, { Var *parentvar = (Var *) lfirst(parentvars); Var *childvar = (Var *) lfirst(childvars); - int parentndx = parentvar->varattno - rel->min_attr; - int childndx = childvar->varattno - childrel->min_attr; - if (childrel->attr_widths[childndx] > rel->attr_widths[parentndx]) - rel->attr_widths[parentndx] = childrel->attr_widths[childndx]; + if (IsA(parentvar, Var) && IsA(childvar, Var)) + { + int pndx = parentvar->varattno - rel->min_attr; + int cndx = childvar->varattno - childrel->min_attr; + + if (childrel->attr_widths[cndx] > rel->attr_widths[pndx]) + rel->attr_widths[pndx] = childrel->attr_widths[cndx]; + } } } |