Functions / System Information Functions And Operators

pg_basetype

Returns the OID of the base type of a domain identified by its type OID.

Reading PG 18current·documented in 4 of 27 versions, 17 to 20

7.1 7.2 7.3 7.4 8.0 8.1 8.2 8.3 8.4 9.0 9.1 9.2 9.3 9.4 9.5 9.6 10 11 12 13 14 15 16 17 18 19 20

Signatures & examples

pg_basetype ( regtype ) → regtype

Returns the OID of the base type of a domain identified by its type OID. If the argument is the OID of a non-domain type, returns the argument as-is. Returns NULL if the argument is not a valid type OID. If there's a chain of domain dependencies, it will recurse until finding the base type.

pg_basetype('mytext'::regtype) → text

Version history 1

16 → 17 added

Definition snapshot: b7bd9cda · English manual source