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Reset master xmin when hot_standby_feedback disabled.

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If walsender has xmin of standby then ensure we
reset the value to 0 when we change from hot_standby_feedback=on
to hot_standby_feedback=off.
This commit is contained in:
Simon Riggs
2014-07-15 14:40:23 +01:00
parent f18858dc72
commit 2dde11a632
3 changed files with 42 additions and 13 deletions
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5
doc/src/sgml/protocol.sgml
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@ -1617,7 +1617,10 @@ The commands accepted in walsender mode are:
</term>
<listitem>
<para>
The standby's current xmin.
The standby's current xmin. This may be 0, if the standby is
sending notification that Hot Standby feedback will no
longer be sent on this connection. Later non-zero messages may
reinitiate the feedback mechanism.
</para>
</listitem>
</varlistentry>