From: | Mike Mascari <mascarm(at)mascari(dot)com> |
---|---|
To: | Marc Britten <mbritten(at)cybernet-usa(dot)com> |
Cc: | "'pgsql-general(at)postgresql(dot)org'" <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: triggers and functions in pgsql 7.0.2 |
Date: | 2000-06-13 18:57:38 |
Message-ID: | 39468422.646F4E45@mascari.com |
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Thread: | |
Lists: | pgsql-general |
Marc Britten wrote:
>
> I'm going through your docs trying to create a function and a trigger that
> calls said function, what I've gotten so far is
>
> CREATE FUNCTION create_count_cache()
> RETURNS opaque AS
> '
> BEGIN;
> DELETE FROM SnipCount;
> INSERT INTO SnipCount SELECT LangID, COUNT(LangID) AS CNT FROM
> snippet GROUP BY LangID;
> COMMIT;
> '
> LANGUAGE 'sql';
>
> CREATE TRIGGER count_change
> AFTER DELETE OR INSERT ON snippet FOR EACH ROW
> EXECUTE PROCEDURE create_count_cache();
>
> however LANGUAGE sql cannot return opaque and plpgsql is not a known lang
> type.
>
> it seems that all your docs are a bit out of date, can you give me some help
> please?
>
> marc britten
The link below might help:
http://www.postgresql.org/docs/programmer/xplang.htm#XPLANG-TITLE
Hope that helps,
Mike Mascari
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