diff options
Diffstat (limited to 'src/backend/optimizer/util/relnode.c')
| -rw-r--r-- | src/backend/optimizer/util/relnode.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/backend/optimizer/util/relnode.c b/src/backend/optimizer/util/relnode.c index 58505949331..70c3dc81ab4 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 1.95 2009/10/12 18:10:48 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/optimizer/util/relnode.c,v 1.96 2009/11/28 00:46:19 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -402,6 +402,20 @@ build_join_rel(PlannerInfo *root, hentry->join_rel = joinrel; } + /* + * Also, if dynamic-programming join search is active, add the new joinrel + * to the appropriate sublist. Note: you might think the Assert on + * number of members should be for equality, but some of the level 1 + * rels might have been joinrels already, so we can only assert <=. + */ + if (root->join_rel_level) + { + Assert(root->join_cur_level > 0); + Assert(root->join_cur_level <= bms_num_members(joinrel->relids)); + root->join_rel_level[root->join_cur_level] = + lappend(root->join_rel_level[root->join_cur_level], joinrel); + } + return joinrel; } |