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CREATE


NAME

  CREATE CONSTRAINT TRIGGER - define a new constraint trigger


SYNOPSIS

  CREATE CONSTRAINT TRIGGER name
      AFTER events ON
      tablename constraint attributes
      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.

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