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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_domain_usage identifies all columns (of a table or a view) that make use of some domain defined in the current database and owned by a currently enabled role.
Table 33-10. column_domain_usage Columns
| Name | Data Type | Description |
|---|---|---|
| domain_catalog | sql_identifier | Name of the database containing the domain (always the current database) |
| domain_schema | sql_identifier | Name of the schema containing the domain |
| domain_name | sql_identifier | Name of the domain |
| table_catalog | sql_identifier | Name of the database containing the table (always the current database) |
| table_schema | sql_identifier | Name of the schema containing the table |
| table_name | sql_identifier | Name of the table |
| column_name | sql_identifier | Name of the column |