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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 view_table_usage identifies all tables that are used in the query expression of a view (the SELECT statement that defines the view). A table is only included if that table is owned by a currently enabled role.
Note: System tables are not included. This should be fixed sometime.
Table 33-60. view_table_usage Columns
| Name | Data Type | Description |
|---|---|---|
| view_catalog | sql_identifier | Name of the database that contains the view (always the current database) |
| view_schema | sql_identifier | Name of the schema that contains the view |
| view_name | sql_identifier | Name of the view |
| table_catalog | sql_identifier | Name of the database that contains the table that is used by the view (always the current database) |
| table_schema | sql_identifier | Name of the schema that contains the table that is used by the view |
| table_name | sql_identifier | Name of the table that is used by the view |