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Push target list evaluation through Gather Merge.

author Robert Haas <rhaas@postgresql.org>

2017年11月13日 21:33:56 +0000 (16:33 -0500)

committer Robert Haas <rhaas@postgresql.org>

2017年11月13日 21:37:42 +0000 (16:37 -0500)

commit 44ae64c388bde6e4b077272570c84dedfb17bed3

tree 5032abac7755ee0f885979ac2e78f1e936c41b8b tree

parent e64861c79bda659ee384bc253f651401f953dadc commit | diff

Push target list evaluation through Gather Merge.

We already do this for Gather, but it got overlooked for Gather Merge.

Amit Kapila, with review and minor revisions by Rushabh Lathia
and by me.

Discussion: http://postgr.es/m/CAA4eK1KUC5Uyu7qaifxrjpHxbSeoQh3yzwN3bThnJsmJcZ-qtA@mail.gmail.com

src/backend/optimizer/plan/planner.c diff | blob | blame | history

src/backend/optimizer/util/pathnode.c diff | blob | blame | history

src/test/regress/expected/select_parallel.out diff | blob | blame | history

src/test/regress/sql/select_parallel.sql diff | blob | blame | history

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