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-rw-r--r--doc/src/sgml/event-trigger.sgml5
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diff --git a/doc/src/sgml/event-trigger.sgml b/doc/src/sgml/event-trigger.sgml
index 3b6a5361b34..ff369bed19f 100644
--- a/doc/src/sgml/event-trigger.sgml
+++ b/doc/src/sgml/event-trigger.sgml
@@ -80,6 +80,11 @@
control statements are available to rewrite a table,
like <literal>CLUSTER</literal> and <literal>VACUUM</literal>,
the <literal>table_rewrite</literal> event is not triggered by them.
+ To find the OID of the table that was rewritten, use the function
+ <literal>pg_event_trigger_table_rewrite_oid()</literal> (see
+ <xref linkend="functions-event-triggers"/>). To discover the reason(s)
+ for the rewrite, use the function
+ <literal>pg_event_trigger_table_rewrite_reason()</literal>.
</para>
<para>