Help Center/ GaussDB(DWS)/ Standard Data Warehouse (9.1.0.x)/ GaussDB(DWS) System Catalogs and Views/ System Catalogs/ PG_INHERITS
Updated on 2024-09-30 GMT+08:00
View PDF

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