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Allow incremental sorts for windowing functions

author David Rowley <drowley@postgresql.org>

2020年9月15日 11:44:45 +0000 (23:44 +1200)

committer David Rowley <drowley@postgresql.org>

2020年9月15日 11:44:45 +0000 (23:44 +1200)

commit 62e221e1c01e3985d2b8e4b68c364f8486c327ab

tree cf4466e3861bd81461c691a128a6d77455efad39 tree

parent fe4f36bcde182d57dee5dba898076aba5d826515 commit | diff

Allow incremental sorts for windowing functions

This expands on the work done in d2d8a229b and allows incremental sort
to be considered during create_window_paths().

Author: David Rowley
Reviewed-by: Daniel Gustafsson, Tomas Vondra
Discussion: https://postgr.es/m/CAApHDvoOHobiA2x13NtWnWLcTXYj9ddpCkv9PnAJQBMegYf_xw%40mail.gmail.com

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

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

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

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