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doc: add PG 14 relnote item about array function references

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User-defined objects that reference some built-in array functions will
need to be recreated in PG 14.

Reported-by: Justin Pryzby

Discussion: https://postgr.es/m/20210608225618.GR16435@telsasoft.com
This commit is contained in:
Bruce Momjian 2021-06-14 12:49:05 -04:00
parent 2d689babe3
commit 25dfb5a831
1 changed files with 29 additions and 0 deletions
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29
doc/src/sgml/release-14.sgml
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@ -291,6 +291,35 @@ Author: Tom Lane <tgl@sss.pgh.pa.us>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
2020-11-04 [9e38c2bb5] Declare assorted array functions using anycompatible not
-->
<para>
User-defined objects that reference some built-in array functions
along with their argument types must be recreated (Tom Lane)
</para>
<para>
Specifically, <link
linkend="functions-array"><function>array_append()</function></link>,
<function>array_prepend()</function>,
<function>array_cat()</function>,
<function>array_position()</function>,
<function>array_positions()</function>,
<function>array_remove()</function>,
<function>array_replace()</function>, or <link
linkend="functions-math"><function>width_bucket()</function></link>
used to take <type>anyarray</type> arguments but now take
<type>anycompatiblearray</type>. Therefore, user-defined objects
like aggregates and operators that reference old array function
signatures must be dropped before upgrading and recreated once the
upgrade completes.
</para>
</listitem>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
2020-09-17 [76f412ab3] Remove factorial operators, leaving only the factorial()
-->