<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>

(references <link linkend="catalog-pg-class"><structname>pg_class</structname></link>.<structfield>oid</structfield>)

</para>

<para>

The OID of the child table

The OID of the child table or index

</para></entry>

</row>

(references <link linkend="catalog-pg-class"><structname>pg_class</structname></link>.<structfield>oid</structfield>)

</para>

<para>

The OID of the parent table

The OID of the parent table or index

</para></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.

</para>

<para>

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

when using declarative partitioning.

</para></entry>

</row>

</tbody>