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Note: The following description applies both to Postgres-XC and PostgreSQL if not described explicitly. You can read PostgreSQL as Postgres-XC except for version number, which is specific to each product.
The view column_privileges identifies all privileges granted on columns to a currently enabled role or by a currently enabled role. There is one row for each combination of column, grantor, and grantee.
If a privilege has been granted on an entire table, it will show up in this view as a grant for each column, but only for the privilege types where column granularity is possible: SELECT, INSERT, UPDATE, REFERENCES.
Table 33-12. column_privileges Columns
| Name | Data Type | Description |
|---|---|---|
| grantor | sql_identifier | Name of the role that granted the privilege |
| grantee | sql_identifier | Name of the role that the privilege was granted to |
| table_catalog | sql_identifier | Name of the database that contains the table that contains the column (always the current database) |
| table_schema | sql_identifier | Name of the schema that contains the table that contains the column |
| table_name | sql_identifier | Name of the table that contains the column |
| column_name | sql_identifier | Name of the column |
| privilege_type | character_data | Type of the privilege: SELECT, INSERT, UPDATE, or REFERENCES |
| is_grantable | yes_or_no | YES if the privilege is grantable, NO if not |