CREATE CONSTRASQL -RLanguage StatemenCREATE0CONSTRAINT TRIGGER(l)
NAME
CREATE CONSTRAINT TRIGGER - define a new constraint trigger
SYNOPSIS
CREATE CONSTRAINT TRIGGER name
AFTER events ON
relation constraint attributes
FOR EACH ROW EXECUTE PROCEDURE func '(' args ')'
INPUTS
name The name of the constraint trigger.
events
The event categories for which this trigger should be
fired.
relation
The name (possibly schema-qualified) of the relation in
which the triggering events occur.
constraint
Actual constraint specification.
attributes
Constraint attributes.
func(args)
Function to call as part of the trigger processing.
OUTPUTS
CREATE TRIGGER
Message returned if successful.
DESCRIPTION
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.
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