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CREATE CONSTRAINT TRIGGER()	 SQL Commands	   CREATE CONSTRAINT TRIGGER()

NAME
       CREATE CONSTRAINT TRIGGER - Create a trigger to support a constraint

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
	      Table name of the triggering relation.

       constraint
	      Actual onstraint specification.

       attributes
	      Constraint 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.

SQL - Language Statements	 29 March 2001	   CREATE CONSTRAINT TRIGGER()

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