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Doc: in v11 release notes, remove item about citext_pattern_ops.

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The entry for commit f24649976 claimed that citext_pattern_ops could be
used for LIKE index searches, but in fact it cannot.  That patch only
created the opclass and some related operators, without doing anything
to teach the planner about how to use it.  The opclass is basically
useless in this unfinished state, which is why nothing was added to the
main documentation about it, and really we shouldn't have said anything
in the release notes either.  So remove the entry.

Discussion: https://postgr.es/m/CAKqncch4eBt2c8ddNVxzcVh3fFhdk54QoDMzpKgpqor4gA-wcQ@mail.gmail.com
This commit is contained in:
Tom Lane 2019-09-23 10:58:19 -04:00
parent 7e7abed056
commit 8873c5b201
1 changed files with 0 additions and 18 deletions
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18
doc/src/sgml/release-11.sgml
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@ -7690,24 +7690,6 @@ same commits as above
<listitem>
<!--
2017-09-19 [f24649976] Add citext_pattern_ops for citext contrib module
-->
<para>
Allow creation of indexes that can be used by <literal>LIKE</literal>
comparisons
on <link linkend="citext"><filename>citext</filename></link> columns
(Alexey Chernyshov)
</para>
<para>
To do this, the index must be created using the
<literal>citext_pattern_ops</literal> operator class.
</para>
</listitem>
<listitem>
<!--
2018-04-05 [f4cd7102b] Add support of bool, bpchar, name and uuid to btree_gin
-->