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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2007-07-31 19:54:27 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2007-07-31 19:54:27 +0000 |
| commit | c14066aa7049bac14cadc18d0c48bcf6ea81ff52 (patch) | |
| tree | e1643d93294f4b79c71b10c54c3eae79f8280b59 /src/backend/optimizer/path/indxpath.c | |
| parent | fab6a867fd38cb4abe326a9cb68f924d093f3dcf (diff) | |
| download | postgresql-c14066aa7049bac14cadc18d0c48bcf6ea81ff52.tar.gz postgresql-c14066aa7049bac14cadc18d0c48bcf6ea81ff52.zip | |
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/path/indxpath.c')
| -rw-r--r-- | src/backend/optimizer/path/indxpath.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/backend/optimizer/path/indxpath.c b/src/backend/optimizer/path/indxpath.c index 28182c23724..0403fd4c923 100644 --- a/src/backend/optimizer/path/indxpath.c +++ b/src/backend/optimizer/path/indxpath.c @@ -9,7 +9,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/optimizer/path/indxpath.c,v 1.147.4.2 2005/12/06 16:59:22 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/path/indxpath.c,v 1.147.4.3 2007/07/31 19:54:26 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -656,7 +656,9 @@ group_clauses_by_indexkey_for_join(Query *root, List *nl; nl = remove_redundant_join_clauses(root, - FastListValue(&clausegroup), + FastListValue(&clausegroup), + outer_relids, + rel->relids, jointype); FastListFromList(&clausegroup, nl); } |