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doc PG 18 relnotes: add mention of temporal foreign key constr.

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Reported-by: Yugo Nagata

Author: Yugo Nagata

Discussion: https://postgr.es/m/20250901200148.baca5744b27419c87c323362@sraoss.co.jp

Backpatch-through: 18 only
This commit is contained in:
Bruce Momjian
2025-09-16 11:48:48 -04:00
parent 9e2c584173
commit dad1e259df
1 changed files with 10 additions and 4 deletions
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14
doc/src/sgml/release-18.sgml
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@@ -1891,21 +1891,27 @@ Author: Thomas Munro <tmunro@postgresql.org>
<!--
Author: Peter Eisentraut <peter@eisentraut.org>
2024-09-17 [fc0438b4e] Add temporal PRIMARY KEY and UNIQUE constraints
Author: Peter Eisentraut <peter@eisentraut.org>
2024-09-17 [89f908a6d] Add temporal FOREIGN KEY contraints
-->
<listitem>
<para>
Allow the specification of non-overlapping <link
linkend="sql-createtable-parms-primary-key"><literal>PRIMARY
KEY</literal></link> and <link
linkend="sql-createtable-parms-unique"><literal>UNIQUE</literal></link>
KEY</literal></link>, <link linkend="sql-createtable-parms-unique">
<literal>UNIQUE</literal></link>, and
<link linkend="sql-createtable-parms-references">foreign key</link>
constraints (Paul A. Jungwirth)
<ulink url="&commit_baseurl;fc0438b4e">&sect;</ulink>
<ulink url="&commit_baseurl;89f908a6d">&sect;</ulink>
</para>
<para>
This is specified by <literal>WITHOUT OVERLAPS</literal> on the
last specified column.
This is specified by <literal>WITHOUT OVERLAPS</literal> for
<literal>PRIMARY KEY</literal> and <literal>UNIQUE</literal>, and by
<literal>PERIOD</literal> for foreign keys, all applied to the last
specified column.
</para>
</listitem>