CREATE CONSTRAINT TRIGGER
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.
