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Updated on 2022-08-16 GMT+08:00

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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
Name	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

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