35.8. check_constraint_routine_usage # 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 35.6. check_constraint_routine_usage Columns Column 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 35.45 for more information.