Message-ID: <42E148E0.9080809@PresiNET.com>
Date: Fri, 22 Jul 2005 12:28:32 -0700
From: Bricklen Anderson <BAnderson@PresiNET.com>
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To: David Hofmann <mor4321@hotmail.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Tigger
References: <BAY105-F24DA8FFE3A2AAC07AD2B85BBC90@phx.gbl>
In-Reply-To: <BAY105-F24DA8FFE3A2AAC07AD2B85BBC90@phx.gbl>
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David Hofmann wrote:
> I'm using 7.3.
> 
>> From: Bricklen Anderson <BAnderson@PresiNET.com>
>> To: David Hofmann <mor4321@hotmail.com>
>> CC: pgsql-sql@postgresql.org
>> Subject: Re: [SQL] Tigger
>> Date: Fri, 22 Jul 2005 12:17:41 -0700
>>
>> David Hofmann wrote:
>> > I've look throught the docs and from what I can see the bellow code
>> > should work, however I keep getting the error:
>> >
>> > ERROR:  parser: parse error at or near "$" at character 53
>> >
>> > CREATE FUNCTION session_update() RETURNS trigger AS $session_update$
>> > BEGIN
>> >     -- Check date exists
>> >     IF NEW.stamp_lastupdate IS NULL THEN
>> >         NEW.stamp_lastupdate := 'now';
>> >     END IF;
>> >     RETURN NEW;
>> > END;
>> >
>> > $session_update$ LANGUAGE plpgsql;
>> >
>> > CREATE TRIGGER session_update BEFORE INSERT OR UPDATE ON sessions FOR
>> > EACH ROW EXECUTE PROCEDURE session_update();
>> >
>> >
>> > Any help or suggestions of websites I should read would be appercated.
>> >
>> > David
>>
>> Which version of postgresql are you using? I don't believe that the
>> "$" quoting
>> was available in older versions than 8 (or late 7?).

I don't think that it worked then. Simple test:

CREATE FUNCTION session_update() RETURNS trigger AS '
BEGIN
	-- Check date exists
	IF NEW.stamp_lastupdate IS NULL THEN
		NEW.stamp_lastupdate := ''now'';
	END IF;
	RETURN NEW;
END;
' LANGUAGE plpgsql;

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