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relnotes: update foreign key partition and add sort items

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Reported-by: David Rowley, Amit Langote

Discussion: https://postgr.es/m/CA+HiwqFcEdbNinfK94aTgBJKmtkYGdtkPnjt3b0fVzKi+WZ+KA@mail.gmail.com
This commit is contained in:
Bruce Momjian 2022-05-11 10:45:17 -04:00
parent 45edde037e
commit 279d957efe
1 changed files with 17 additions and 3 deletions
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20
doc/src/sgml/release-15.sgml
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@ -570,12 +570,11 @@ Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
<listitem>
<para>
Improve the trigger behavior of updates on partitioned tables that move rows between partitions (Amit Langote)
Improve foreign key behavior of updates on partitioned tables that move rows between partitions (Amit Langote)
</para>
<para>
Previously, such updates fired delete triggers on the source partition and fired insert triggers on the target partition. PostgreSQL will now fire an update trigger on the partition root. This makes
foreign key behavior more consistent. ALL TRIGGERS?
Previously, such updates ran delete actions on the source partition and insert actions on the target partition. PostgreSQL will now run update actions on the partition root.
</para>
</listitem>
@ -804,6 +803,21 @@ This will improve text-heavy operations like COPY FROM.
</para>
</listitem>
<!--
Author: David Rowley <drowley@postgresql.org>
2021-07-22 [91e9e89dc] Make nodeSort.c use Datum sorts for single column sorts
Author: David Rowley <drowley@postgresql.org>
2022-04-04 [40af10b57] Use Generation memory contexts to store tuples in sorts
Author: John Naylor <john.naylor@postgresql.org>
2022-04-02 [697492434] Specialize tuplesort routines for different kinds of abb
-->
<listitem>
<para>
Improve performance and reduce memory consumption of in-memory sorts (Ronan Dunklau, David Rowley, Thomas Munro)
</para>
</listitem>
<!--
Author: Michael Paquier <michael@paquier.xyz>
2021-06-29 [4035cd5d4] Add support for LZ4 with compression of full-page writes