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Consider disk-based hash aggregation to implement DISTINCT.

author Jeff Davis <jdavis@postgresql.org>

2020年3月25日 01:19:51 +0000 (18:19 -0700)

committer Jeff Davis <jdavis@postgresql.org>

2020年3月25日 01:30:04 +0000 (18:30 -0700)

commit dd8e19132acfbb28d579288a412ed6c0a5ea338b

tree 00f77cc5a56e95ff1ffb9043aae25859ca4e1563 tree

parent 3649133b147638f25933c93e3d4f6b920da50332 commit | diff

Consider disk-based hash aggregation to implement DISTINCT.

Correct oversight in 1f39bce0. If enable_hashagg_disk=true, we should
consider hash aggregation for DISTINCT when applicable.

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

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