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CREATE CONSTRAINT TRIGGER

Name

CREATE CONSTRAINT TRIGGER — Create a trigger to support a constraint
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

Contraint 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.

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