CREATE CONSTRAINT TRIGGER — define a new constraint trigger
CREATE CONSTRAINT TRIGGERnameAFTEReventsONtablenameconstraintattributesFOR EACH ROW EXECUTE PROCEDUREfuncname(args)
CREATE CONSTRAINT TRIGGER is used within
CREATE TABLE/ALTER TABLE and by
pg_dump to create the special triggers for
referential integrity.
It is not intended for general use.
nameThe name of the constraint trigger.
eventsThe event categories for which this trigger should be fired.
tablenameThe name (possibly schema-qualified) of the table in which the triggering events occur.
constraintActual constraint specification.
attributesThe constraint attributes.
funcname(args)The function to call as part of the trigger processing.