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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2007-07-31 19:54:11 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2007-07-31 19:54:11 +0000 |
| commit | e938544befb4b7eaecf1287d46cb39f4cda05567 (patch) | |
| tree | 4696701a9ca5c79ac5709c028820e74641ceb889 /src/backend/optimizer/plan/createplan.c | |
| parent | 59bb0282d46f58e3cf29c8c7730030386d9e65cc (diff) | |
Fix a bug in the original implementation of redundant-join-clause removal:
clauses in which one side or the other references both sides of the join
cannot be removed as redundant, because that expression won't have been
constrained below the join. Per report from Sergey Burladyan.
Diffstat (limited to 'src/backend/optimizer/plan/createplan.c')
| -rw-r--r-- | src/backend/optimizer/plan/createplan.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/backend/optimizer/plan/createplan.c b/src/backend/optimizer/plan/createplan.c index f1a16518395..8dc002c592b 100644 --- a/src/backend/optimizer/plan/createplan.c +++ b/src/backend/optimizer/plan/createplan.c @@ -10,7 +10,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/optimizer/plan/createplan.c,v 1.175 2004/12/31 22:00:08 pgsql Exp $ + * $PostgreSQL: pgsql/src/backend/optimizer/plan/createplan.c,v 1.175.4.1 2007/07/31 19:54:10 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -955,6 +955,8 @@ create_nestloop_plan(Query *root, select_nonredundant_join_clauses(root, joinrestrictclauses, linitial(indexclauses), + best_path->outerjoinpath->parent->relids, + best_path->innerjoinpath->parent->relids, best_path->jointype); } } |