Functions / System Information Functions And Operators

col_description

Returns the comment for a table column, which is specified by the OID of its table and its column number.

Reading PG 18current·documented in 26 of 27 versions, 7.2 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

col_description ( table oid, column integer ) → text

Returns the comment for a table column, which is specified by the OID of its table and its column number. (obj_description cannot be used for table columns, since columns do not have OIDs of their own.)

Version history 4

12 → 13 changed
7.4 → 8.0 changed
7.3 → 7.4 changed
7.1 → 7.2 added

Definition snapshot: b7bd9cda · English manual source