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pg_receivewal: Add --endpos option

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This is primarily useful for making tests of this utility more
deterministic, to avoid the complexity of starting pg_receivewal as a
deamon in TAP tests.

While this is less useful than the equivalent pg_recvlogical option,
users can as well use it for example to enforce WAL streaming up to a
end-of-backup position, to save only a minimal amount of WAL.

Use this new option to stream WAL data in a deterministic way within a
new set of TAP tests.

Author: Michael Paquier <michael.paquier@gmail.com>
This commit is contained in:
Peter Eisentraut
2017-09-11 16:30:50 -04:00
parent c1898c3e1e
commit 6d9fa52645
3 changed files with 91 additions and 8 deletions
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16
doc/src/sgml/ref/pg_receivewal.sgml
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@@ -98,6 +98,22 @@ PostgreSQL documentation
</listitem>
</varlistentry>
<varlistentry>
<term><option>-E <replaceable>lsn</replaceable></option></term>
<term><option>--endpos=<replaceable>lsn</replaceable></option></term>
<listitem>
<para>
Automatically stop replication and exit with normal exit status 0 when
receiving reaches the specified LSN.
</para>
<para>
If there is a record with LSN exactly equal to <replaceable>lsn</>,
the record will be processed.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--if-not-exists</option></term>
<listitem>