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doc: Fix description of deterministic flag of CREATE COLLATION

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The documentation said that you need to pick a suitable LC_COLLATE
setting in addition to setting the DETERMINISTIC flag.  This would
have been correct if the libc provider supported nondeterministic
collations, but since it doesn't, you actually need to set the LOCALE
option.

Reviewed-by: Kashif Zeeshan <kashi.zeeshan@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/a71023c2-0ae0-45ad-9688-cf3b93d0d65b%40eisentraut.org
This commit is contained in:
Peter Eisentraut 2024-05-02 08:21:18 +02:00
parent 9c1d1bde44
commit 4a65e1c212
1 changed files with 1 additions and 1 deletions
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doc/src/sgml/ref/create_collation.sgml
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@ -154,7 +154,7 @@ CREATE COLLATION [ IF NOT EXISTS ] <replaceable>name</replaceable> FROM <replace
logically equal by the comparison. PostgreSQL breaks ties using a
byte-wise comparison. Comparison that is not deterministic can make the
collation be, say, case- or accent-insensitive. For that, you need to
choose an appropriate <literal>LC_COLLATE</literal> setting
choose an appropriate <literal>LOCALE</literal> setting
<emphasis>and</emphasis> set the collation to not deterministic here.
</para>