From: | Adrian Klaver <aklaver(at)attbi(dot)com> |
---|---|
To: | pgsql-general(at)postgresql(dot)org |
Subject: | Trigger |
Date: | 2002-11-28 20:35:42 |
Message-ID: | 200211281235.42714.aklaver@attbi.com |
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Thread: | |
Lists: | pgsql-general |
I have created the following function:
CREATE OR REPLACE FUNCTION validate_tag_number()
RETURNS OPAQUE AS '
BEGIN
IF new.tag_number=old.tag_number THEN
RAISE EXCEPTION " number is already present";
END IF;
RETURN NEW;
END;
'LANGUAGE 'plpgsql';
I used it to create a trigger as follows;
CREATE TRIGGER validate_tag_number BEFORE UPDATE ON tag_vendor FOR EACH ROW
EXECUTE PROCEDURE validate_tag_number();
If I do an update with a tag_number that does not exist everything is fine.
If I do an update with a preexisting number I get the following messages-
NOTICE: plpgsql:ERROR during compile of validate_tag_number line 3
ERROR: unterminated " in name "
I was expecting to get the "number is already present" error messsage.
Where is my error?
Thank you
Adrian Klaver
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