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doc: adjustments for PG 12 release notes 

Mostly commit messages, attribution, and text, all suggested by Andres
Freund.

Discussion: https://postgr.es/m/20190520221719.pqgld3krjc2docr5@alap3.anarazel.de
This commit is contained in:
Bruce Momjian 2019-05-21 16:14:33 -04:00
parent eb9812f272
commit 32fe2e3194
1 changed files with 23 additions and 13 deletions
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36
doc/src/sgml/release-12.sgml
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@ -982,8 +982,6 @@ Author: Bruce Momjian <bruce@momjian.us>
<!--
Author: Tomas Vondra <tomas.vondra@postgresql.org>
2019-01-29 [36a1281f8] Separate per-batch and per-tuple memory contexts in COPY
Author: Heikki Linnakangas <heikki.linnakangas@iki.fi>
2019-01-25 [9556aa01c] Use single-byte Boyer-Moore-Horspool search even with mu
Author: Andres Freund <andres@anarazel.de>
2019-01-26 [a9c35cf85] Change function call information to be variable length.
-->
@ -1517,7 +1515,7 @@ Author: Michael Paquier <michael@paquier.xyz>
<para>
Prevent <xref linkend="sql-truncate"/> from requesting a lock on
tables for which it lacks permission (Michaël Paquier)
tables for which the user lacks permission (Michaël Paquier)
</para>
<para>
@ -1882,9 +1880,10 @@ Author: Peter Eisentraut <peter@eisentraut.org>
</para>
<para>
Rather than storing a value only at row creation time, generated
columns are also modified during updates, and can reference other
table columns.
The content of generated columns are computed from expressions
(including references to other columns in the same table)
rather than being specified by <command>INSERT</command> or
<command>UPDATE</command> commands.
</para>
</listitem>
@ -2061,7 +2060,7 @@ Author: Peter Eisentraut <peter@eisentraut.org>
-->
<para>
Allow modifications of system tables using <xref
Allow modifications of system table options using <xref
linkend="sql-altertable"/> (Peter Eisentraut)
</para>
@ -2595,8 +2594,8 @@ Author: Tom Lane <tgl@sss.pgh.pa.us>
-->
<para>
Compute behavior based on pgbench's <option>--rate</option>
value more precisely (Tom Lane)
Improve precision of pgbench's <option>--rate</option>
option (Tom Lane)
</para>
</listitem>
@ -2816,11 +2815,12 @@ Author: Thomas Munro <tmunro@postgresql.org>
-->
<para>
Allow restoration of an <command>INSERT</command>-statement dump
to skip rows which would cause conflicts (Surafel Temesgen)
Allow pg_dump to emit <command>INSERT ... ON CONFLICT DO
NOTHING</command> (Surafel Temesgen)
</para>
<para>
This avoids conflict failures during restore.
The <application>pg_dump</application> option is
<option>--on-conflict-do-nothing</option>.
</para>
@ -2875,6 +2875,8 @@ Author: Andrew Dunstan <andrew@dunslane.net>
<listitem>
<!--
Author: Andres Freund <andres@anarazel.de>
2018-11-16 [4da597edf] Make TupleTableSlots extensible, finish split of
Author: Andres Freund <andres@anarazel.de>
2019-03-06 [8586bf7ed] tableam: introduce table AM infrastructure.
Author: Andres Freund <andres@anarazel.de>
2019-03-06 [3b925e905] tableam: Add pg_dump support.
@ -2890,12 +2892,20 @@ Author: Andres Freund <andres@anarazel.de>
2019-03-31 [73c954d24] tableam: sample scan.
Author: Andres Freund <andres@anarazel.de>
2019-03-31 [bfbcad478] tableam: bitmap table scan.
existin
-->
<para>
Add <xref linkend="sql-create-access-method"/> command to create
new table types (Haribabu Kommi, Andres Freund, Álvaro Herrera,
Dimitri Dolgov)
new table types (Andres Freund, Haribabu Kommi, Álvaro Herrera,
Alexander Korotkov, Dimitri Golgov)
</para>
<para>
This enables the development of new <link linkend="tableam">table
access methods</>, which can optimize storage for different
use-cases. The existing <literal>heap</literal> access method
remains the default.
</para>
</listitem>