CREATE CONSTRAINT TRIGGER
CREATE CONSTRAINT TRIGGER name AFTER events ON relation constraint attributes FOR EACH ROW EXECUTE PROCEDURE func '(' args ')'
The name of the constraint trigger.
The event categories for which this trigger should be fired.
The name (possibly schema-qualified) of the relation in which the triggering events occur.
Actual constraint specification.
Function to call as part of the trigger processing.
CREATE CONSTRAINT TRIGGER is used within CREATE/ALTER TABLE and by pg_dump to create the special triggers for referential integrity.
It is not intended for general use.