Movatterモバイル変換


[0]ホーム

URL:


Skip to content

Navigation Menu

Sign in
Appearance settings

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly

Sign up
Appearance settings

Commit1a48f8b

Browse files
committed
doc PG 17 relnotes: add two optimizer items
One is about subqueries becoming joins and the other is about optimizingLIMIT by improving startup cost.Reported-by: Andy FanDiscussion:https://postgr.es/m/87h6f4ncc6.fsf@163.comReviewed-by: David RowleyBackpatch-through: master
1 parentf535f35 commit1a48f8b

File tree

1 file changed

+22
-0
lines changed

1 file changed

+22
-0
lines changed

‎doc/src/sgml/release-17.sgml

Lines changed: 22 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -356,6 +356,28 @@ Improve optimization of range values when using containment operators <@ and
356356
</para>
357357
</listitem>
358358

359+
<!--
360+
Author: Alexander Korotkov <akorotkov@postgresql.org>
361+
2024-02-15 [9f1337639] Pull up ANY-SUBLINK with the necessary lateral support.
362+
-->
363+
364+
<listitem>
365+
<para>
366+
Allow correlated IN subqueries to be transformed into joins (Andy Fan, Tom Lane)
367+
</para>
368+
</listitem>
369+
370+
<!--
371+
Author: David Rowley <drowley@postgresql.org>
372+
2023-10-05 [a8a968a82] Consider cheap startup paths in add_paths_to_append_rel
373+
-->
374+
375+
<listitem>
376+
<para>
377+
Improve optimization of the LIMIT clause on partitioned tables, inheritance parents, and UNION ALL queries (Andy Fan, David Rowley)
378+
</para>
379+
</listitem>
380+
359381
<!--
360382
Author: Tom Lane <tgl@sss.pgh.pa.us>
361383
2023-07-14 [e08d74ca1] Allow plan nodes with initPlans to be considered paralle

0 commit comments

Comments
 (0)

[8]ページ先頭

©2009-2025 Movatter.jp