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luhuayi 177cd61a57 DWS DEVG 910.211 version 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: luhuayi <luhuayi@huawei.com>
Co-committed-by: luhuayi <luhuayi@huawei.com>
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PG_INHERITS

PG_INHERITS records information about table inheritance hierarchies. There is one entry for each direct child table in the database. Indirect inheritance can be determined by following chains of entries.

Table 1 PG_INHERITS columns

Column

Type

Reference

Description

inhrelid

OID

PG_CLASS.oid

OID of the child table.

inhparent

OID

PG_CLASS.oid

OID of the parent table.

inhseqno

Integer

-

If there is more than one direct parent for a child table (multiple inheritances), this number tells the order in which the inherited columns are to be arranged. The count starts at 1.
Parent topic: System Catalogs