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Fix costing for disk-based hash aggregation.

author Jeff Davis <jdavis@postgresql.org>

2020年3月28日 17:53:01 +0000 (10:53 -0700)

committer Jeff Davis <jdavis@postgresql.org>

2020年3月28日 19:07:49 +0000 (12:07 -0700)

commit 7351bfeda33b60b69c15791c7eb77a127546df26

tree 816fa39e498d0a2da1837eb74fae9b70f06e73bb tree

parent 4083f445c0cbda2eacb6b17297f9d555397e5eaa commit | diff

Fix costing for disk-based hash aggregation.

Report and suggestions from Richard Guo and Tomas Vondra.

Discussion: https://postgr.es/m/CAMbWs4_W8fYbAn8KxgidAaZHON_Oo08OYn9ze=7remJymLqo5g@mail.gmail.com

src/backend/executor/nodeAgg.c diff | blob | blame | history

src/backend/optimizer/path/costsize.c diff | blob | blame | history

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