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doc: Fix description of deterministic flag of CREATE COLLATION 

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 e6b0efc65e
commit 9a8b3525e8
1 changed files with 1 additions and 1 deletions
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doc/src/sgml/ref/create_collation.sgml
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@ -139,7 +139,7 @@ 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>