diff options
Diffstat (limited to 'src/backend/optimizer/util/relnode.c')
| -rw-r--r-- | src/backend/optimizer/util/relnode.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/src/backend/optimizer/util/relnode.c b/src/backend/optimizer/util/relnode.c index 545b125197c..331855f8e9f 100644 --- a/src/backend/optimizer/util/relnode.c +++ b/src/backend/optimizer/util/relnode.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/optimizer/util/relnode.c,v 1.81 2006/08/02 01:59:46 joe Exp $ + * $PostgreSQL: pgsql/src/backend/optimizer/util/relnode.c,v 1.82 2006/09/19 22:49:53 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -92,7 +92,7 @@ build_simple_rel(PlannerInfo *root, int relid, RelOptKind reloptkind) { case RTE_RELATION: /* Table --- retrieve statistics from the system catalogs */ - get_relation_info(root, rte->relid, rel); + get_relation_info(root, rte->relid, rte->inh, rel); break; case RTE_SUBQUERY: case RTE_FUNCTION: @@ -119,6 +119,29 @@ build_simple_rel(PlannerInfo *root, int relid, RelOptKind reloptkind) /* Save the finished struct in the query's simple_rel_array */ root->simple_rel_array[relid] = rel; + /* + * If this rel is an appendrel parent, recurse to build "other rel" + * RelOptInfos for its children. They are "other rels" because they are + * not in the main join tree, but we will need RelOptInfos to plan access + * to them. + */ + if (rte->inh) + { + ListCell *l; + + foreach(l, root->append_rel_list) + { + AppendRelInfo *appinfo = (AppendRelInfo *) lfirst(l); + + /* append_rel_list contains all append rels; ignore others */ + if (appinfo->parent_relid != relid) + continue; + + (void) build_simple_rel(root, appinfo->child_relid, + RELOPT_OTHER_MEMBER_REL); + } + } + return rel; } |