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Remove local optimizations of empty Bitmapsets into null pointers.

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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
This commit is contained in:
Tom Lane
2023-03-02 12:01:47 -05:00
parent 00b41463c2
commit 6b661b01f4
9 changed files with 9 additions and 64 deletions
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10
src/backend/optimizer/plan/initsplan.c
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@ -679,16 +679,10 @@ create_lateral_join_info(PlannerInfo *root)
/* Nothing to do at rels with no lateral refs */
lateral_relids = brel->lateral_relids;
if (lateral_relids == NULL)
if (bms_is_empty(lateral_relids))
continue;
/*
* We should not have broken the invariant that lateral_relids is
* exactly NULL if empty.
*/
Assert(!bms_is_empty(lateral_relids));
/* Also, no rel should have a lateral dependency on itself */
/* No rel should have a lateral dependency on itself */
Assert(!bms_is_member(rti, lateral_relids));
/* Mark this rel's referencees */