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Disallow CREATE/DROP SUBSCRIPTION in transaction block

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Disallow CREATE SUBSCRIPTION and DROP SUBSCRIPTION in a transaction
block when the replication slot is to be created or dropped, since that
cannot be rolled back.

based on patch by Masahiko Sawada <sawada.mshk@gmail.com>
This commit is contained in:
Peter Eisentraut
2017-03-03 23:25:34 -05:00
parent 347302730d
commit 272adf4f9c
7 changed files with 66 additions and 15 deletions
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5
doc/src/sgml/ref/create_subscription.sgml
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@@ -51,6 +51,11 @@ CREATE SUBSCRIPTION <replaceable class="PARAMETER">subscription_name</replaceabl
subscription at the commit of the transaction where this command is run.
</para>
<para>
<command>CREATE SUBSCRIPTION</command> cannot be executed inside a
transaction block when <literal>CREATE SLOT</literal> is specified.
</para>
<para>
Additional info about subscriptions and logical replication as a whole
can is available at <xref linkend="logical-replication-subscription"> and