CREATE CONSTRAINT TRIGGER - define a new constraint trigger
SYNOPSIS
CREATE CONSTRAINT TRIGGER name
AFTER events ON
tablenameconstraintattributes
FOR EACH ROW EXECUTE PROCEDURE funcname ( args )
DESCRIPTION
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.
PARAMETERS
name
The name of the constraint trigger.
events
The event categories for which this trigger should be fired.
tablename
The name (possibly schema-qualified) of the table in which
the triggering events occur.
constraint
Actual constraint specification.
attributes
The constraint attributes.
funcname(args)
The function to call as part of the trigger processing.