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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 check_constraint_routine_usage identifies routines (functions and procedures) that are used by a check constraint. Only those routines are shown that are owned by a currently enabled role.
Table 33-6. check_constraint_routine_usage Columns
| Name | Data Type | Description |
|---|---|---|
| constraint_catalog | sql_identifier | Name of the database containing the constraint (always the current database) |
| constraint_schema | sql_identifier | Name of the schema containing the constraint |
| constraint_name | sql_identifier | Name of the constraint |
| specific_catalog | sql_identifier | Name of the database containing the function (always the current database) |
| specific_schema | sql_identifier | Name of the schema containing the function |
| specific_name | sql_identifier | The "specific name" of the function. See Section 33.40 for more information. |