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 provides a similar function for descriptions involving objects that are shared across openGauss.
Table 1 PG_DESCRIPTION columns
PG_CLASS.oid | |||
Column number for a comment on a table column (objoid and classoid refer to the table itself); 0 for all other object types | |||
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