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PostgreSQL Manual

This manual is provided as a courtesy. It is not an official source. Please check postgresql.org for updated information.

PostgreSQL Manual

PostgreSQL Manual
PostgreSQL 8.1.3 Documentation
PrevFast BackwardChapter 42. System CatalogsFast ForwardNext

42.17. pg_description

The catalog pg_description stores optional descriptions (comments) 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 42-17. pg_description Columns

NameTypeReferencesDescription
objoidoidany OID columnThe 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 column, this is the column number (the objoid and classoid refer to the table itself). For all other object types, this column is zero.
descriptiontext Arbitrary text that serves as the description of this object.
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