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-rw-r--r--doc/src/sgml/func.sgml11
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 4930ec17f62..86ff4e5c9e2 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -20274,6 +20274,17 @@ postgres=# SELECT * FROM pg_walfile_name_offset(pg_stop_backup());
their partitions, and so on.
</entry>
</row>
+ <row>
+ <entry>
+ <indexterm><primary>pg_partition_root</primary></indexterm>
+ <literal><function>pg_partition_root(<type>regclass</type>)</function></literal>
+ </entry>
+ <entry><type>regclass</type></entry>
+ <entry>
+ Return the top-most parent of a partition tree to which the given
+ relation belongs.
+ </entry>
+ </row>
</tbody>
</tgroup>
</table>