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doc: Fix description about default behavior of recovery_target_timeline. 

The default value of recovery_target_timeline was changed in v12,
but the description about the default behavior of that was not updated.

Back-patch to v12 where the default behavior of recovery_target_timeline
was changed.

Author: Benoit Lobréau
Reviewed-by: Fujii Masao
Discussion: https://postgr.es/m/CAPE8EZ7c3aruEmM24GYkj8y8WmHKD1m9TtPtgCF0nQ3zw4LCkQ@mail.gmail.com
This commit is contained in:
Fujii Masao 2021-01-06 11:58:23 +09:00
parent 3e9cea2294
commit c919ed191d
1 changed files with 7 additions and 6 deletions
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13
doc/src/sgml/backup.sgml
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@ -1437,12 +1437,13 @@ restore_command = 'cp /mnt/server/archivedir/%f %p'
</para>
<para>
The default behavior of recovery is to recover along the same timeline
that was current when the base backup was taken. If you wish to recover
into some child timeline (that is, you want to return to some state that
was itself generated after a recovery attempt), you need to specify the
target timeline ID in <xref linkend="guc-recovery-target-timeline"/>. You cannot recover into
timelines that branched off earlier than the base backup.
The default behavior of recovery is to recover to the latest timeline found
in the archive. If you wish to recover to the timeline that was current
when the base backup was taken or into a specific child timeline (that
is, you want to return to some state that was itself generated after a
recovery attempt), you need to specify <literal>current</literal> or the
target timeline ID in <xref linkend="guc-recovery-target-timeline"/>. You
cannot recover into timelines that branched off earlier than the base backup.
</para>
</sect2>