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doc: OS collation changes can break indexes

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Discussion: 20160702155517.GD18610@momjian.us

Reviewed-by: Christoph Berg

Backpatch-through: 9.1
This commit is contained in:
Bruce Momjian 2016-08-02 17:13:10 -04:00
parent 6693c9d7bf
commit a6839bf0c6
1 changed files with 2 additions and 2 deletions
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doc/src/sgml/runtime.sgml
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@ -188,8 +188,8 @@ postgres$ <userinput>initdb -D /usr/local/pgsql/data</userinput>
operating system's collation library for character set ordering.
This controls the ordering of keys stored in indexes. For this reason,
a cluster cannot switch to an incompatible collation library version,
either through snapshot restore, binary streaming replication, or
<application>pg_upgrade</> run.
either through snapshot restore, binary streaming replication, a
different operating system, or an operating system upgrade.
</para>
<sect2 id="creating-cluster-mount-points">