Re: Fwd: Trigger on VIEW not firing - Mailing list pgsql-general

From Beena Emerson
Subject Re: Fwd: Trigger on VIEW not firing
Date
Msg-id CAOG9ApHgAssXV_fOv990Nd7Cjy9S5y-CUp78cvXN7+R8bnMDLw@mail.gmail.com
Whole thread Raw
In response to Fwd: Trigger on VIEW not firing  (Massimo Costantini <massimo.costantini@gmail.com>)
List pgsql-general
The trigger is on the view and fires when you query the view:

# DELETE FROM  worksub;
NOTICE:  UPDATE VIEW FROM: worksub OPERATION: DELETE
ERROR:  control reached end of trigger procedure without RETURN
CONTEXT:  PL/pgSQL function wrk_view()




On Tue, Jul 30, 2013 at 6:10 PM, Massimo Costantini <massimo.costantini@gmail.com> wrote:

Hi,

I have a problem with Triggers on VIEW:

suppose I have:

CREATE TABLE work (
  id integer NOT NULL,
  work TEXT,
  worktype TEXT
);

CREATE VIEW worksub AS SELECT FROM work WHERE worktype='subordinate';


CREATE OR REPLACE FUNCTION wrk_view() RETURNS TRIGGER AS $wrk_tg$
    BEGIN
        RAISE NOTICE 'UPDATE VIEW FROM: % OPERATION: %',TG_TABLE_NAME, TG_OP;
    END;
$wrk_tg$ LANGUAGE plpgsql;

CREATE TRIGGER wrk_tg INSTEAD OF INSERT OR DELETE OR UPDATE ON worksub
    FOR EACH ROW EXECUTE PROCEDURE wrk_view();

nothing appen when I insert row in work table.

Someone can help me?




--


Beena Emerson

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