<para>

The catalog <structname>pg_inherits</structname> records information about

table inheritance hierarchies. There is one entry for each direct

parent-child table relationship in the database. (Indirect inheritance can be determined

by following chains of entries.)

tableand indexinheritance hierarchies. There is one entry for each direct

parent-child tableor indexrelationship in the database. (Indirect

inheritance can be determinedby following chains of entries.)

</para>

<table>

<entry><type>oid</type></entry>

<entry><literal><link linkend="catalog-pg-class"><structname>pg_class</structname></link>.oid</literal></entry>

<entry>

The OID of the child table

The OID of the child table or index

</entry>

</row>

<entry><type>oid</type></entry>

<entry><literal><link linkend="catalog-pg-class"><structname>pg_class</structname></link>.oid</literal></entry>

<entry>

The OID of the parent table

The OID of the parent table or index

</entry>

</row>

If there is more than one direct parent for a child table (multiple

inheritance), this number tells the order in which the

inherited columns are to be arranged. The count starts at 1.

Indexes can not have multiple inheritance, since they can only inherit

when using declarative partitioning.

</entry>

</row>

</tbody>