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luhuayi 177cd61a57 DWS DEVG 910.211 version
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
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PG_DESCRIPTION

PG_DESCRIPTION records optional descriptions (comments) for each database object. Descriptions of many built-in system objects are provided in the initial contents of PG_DESCRIPTION.

See also PG_SHDESCRIPTION, which performs a similar function for descriptions involving objects that are shared across a database cluster.

Table 1 PG_DESCRIPTION columns

Column

Type

Reference

Description

objoid

OID

Any OID column

OID of the object this description pertains to

classoid

OID

PG_CLASS.oid

OID of the system catalog this object appears in

objsubid

Integer

-

For a comment on a table column, this is the column number (the objoid and classoid refer to the table itself). For all other object types, this column is 0.

description

Text

-

Arbitrary text that serves as the description of this object