3.14. pg_description

The pg_description table can store an optional description or comment for each database object. Descriptions can be manipulated with the COMMENT command and viewed with psql's \d commands. Descriptions of many built-in system objects are provided in the initial contents of pg_description.

Table 3-14. pg_description Columns

objoidoidany oid attributeThe oid of the object this description pertains to
classoidoidpg_class.oidThe oid of the system catalog this object appears in
objsubidint4 For a comment on a table attribute, this is the attribute's column number (the objoid and classoid refer to the table itself). For all other object types, this field is presently zero.
descriptiontext Arbitrary text that serves as the description of this object.