50.19. pg_description
The catalogpg_description stores optional descriptions (comments) for each database object. Descriptions can be manipulated with theCOMMENT command and viewed withpsql's\d commands. Descriptions of many built-in system objects are provided in the initial contents ofpg_description.
See alsopg_shdescription, which performs a similar function for descriptions involving objects that are shared across a database cluster.
Table 50.19. pg_description Columns
| Name | Type | References | Description |
|---|---|---|---|
objoid | oid | any OID column | The OID of the object this description pertains to |
classoid | oid | | The OID of the system catalog this object appears in |
objsubid | int4 | For a comment on a table column, this is the column number (theobjoid andclassoid refer to the table itself). For all other object types, this column is zero. | |
description | text | Arbitrary text that serves as the description of this object |