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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2023-03-02 12:01:47 -0500 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2023-03-02 12:01:47 -0500 |
| commit | 6b661b01f48bb0d3129ad0e3909210a6ba0534b3 (patch) | |
| tree | b44edf0dec23e25d3c332a47123fe538d610ded4 /src/backend/optimizer/util/pathnode.c | |
| parent | 00b41463c21615f9bf3927f207e37f9e215d32e6 (diff) | |
| download | postgresql-6b661b01f48bb0d3129ad0e3909210a6ba0534b3.tar.gz postgresql-6b661b01f48bb0d3129ad0e3909210a6ba0534b3.zip | |
Remove local optimizations of empty Bitmapsets into null pointers.
These are all dead code now that it's done centrally.
Patch by me; thanks to Nathan Bossart and Richard Guo for review.
Discussion: https://postgr.es/m/1159933.1677621588@sss.pgh.pa.us
Diffstat (limited to 'src/backend/optimizer/util/pathnode.c')
| -rw-r--r-- | src/backend/optimizer/util/pathnode.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/src/backend/optimizer/util/pathnode.c b/src/backend/optimizer/util/pathnode.c index d749b505785..e8e06397a9c 100644 --- a/src/backend/optimizer/util/pathnode.c +++ b/src/backend/optimizer/util/pathnode.c @@ -2372,12 +2372,6 @@ calc_nestloop_required_outer(Relids outerrelids, /* ... and remove any mention of now-satisfied outer rels */ required_outer = bms_del_members(required_outer, outerrelids); - /* maintain invariant that required_outer is exactly NULL if empty */ - if (bms_is_empty(required_outer)) - { - bms_free(required_outer); - required_outer = NULL; - } return required_outer; } |