After delete trigger problem

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От Teemu Juntunen
Тема After delete trigger problem
Дата
Msg-id 245949AFD379488D85413B196C3CBA62@eng02
обсуждение исходный текст
Ответы Re: After delete trigger problem  (Tom Lane <tgl@sss.pgh.pa.us>)
Re: After delete trigger problem  (Erik Jones <ejones@engineyard.com>)
Список pgsql-general
Hello,
 
I have a child table with
 
CONSTRAINT fkey FOREIGN KEY (x)  REFERENCES master (x) MATCH SIMPLE ON UPDATE CASCADE ON DELETE CASCADE.
 
and
 
CREATE TRIGGER td_y  AFTER DELETE ON chlid  FOR EACH ROW EXECUTE PROCEDURE fn_td_y();
and this trigger refers to the master table...
 
CREATE OR REPLACE FUNCTION fn_td_y() RETURNS trigger AS
$BODY$
DECLARE
  fi integer;
BEGIN
    SELECT i INTO fi FROM master  WHERE x = old.x;
...
 
It seems that SELECT results to null, so the master has already deleted the row. Is this intended and how can I solve this?
 
Regards,
Teemu Juntunen
 

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