Horton

Push target list evaluation through Gather Merge.

Robert Haas <rhaas@postgresql.org>

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Commit: 44ae64c388bde6e4b077272570c84dedfb17bed3
Author: Robert Haas <rhaas@postgresql.org>
Date: 2017-11-13T21:37:42Z
Releases: 11.0 
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

Files

PathChange+/−
src/backend/optimizer/plan/planner.c modified +2 −1
src/backend/optimizer/util/pathnode.c modified +29 −16
src/test/regress/expected/select_parallel.out modified +25 −0
src/test/regress/sql/select_parallel.sql modified +13 −0

Discussion