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.
Name of the database containing the constraint (always the current database)
Name of the schema containing the constraint
Name of the constraint
Name of the database containing the function (always the current database)
Name of the schema containing the function
The “specific name” of the function. See Section 36.41 for more information.