CREATE CONSTRAINT TRIGGER
CREATE CONSTRAINT TRIGGER
Name CREATE CONSTRAINT TRIGGER
— Create a trigger to support a constraint
CREATE CONSTRAINT TRIGGER name events relation constraint attributes func args Inputs
name The name of the constraint trigger.
events The event categories for which this trigger should be fired.
relation Table name of the triggering relation.
constraint Actual onstraint specification.
attributes Contraint attributes.
func args Function to call as part of the trigger processing.
Outputs
CREATE CONSTRAINT
Message returned if successful.
Description
CREATE CONSTRAINT TRIGGER is used from inside of
CREATE/ALTER TABLE and by
pg_dump to create the special triggers for
referential integrity.
It is not intended for general use.
