On Tue, 2004-10-19 at 15:21, Hicham G. Elmongui wrote:
> I tried creating the function (from sec 19.3.1). But it gives me the
> following error: "ERROR: type tablename does not exist".
> Any ideas of what i might be doing wrong?
>
> CREATE FUNCTION use_many_fields(tablename) RETURNS TEXT AS '
You are passing a composite type for a row from the table called
"tablename"; such a table does not exist. Use the name of a table that
actually exists (and has the fields named in the RETURN statement).
> DECLARE
> in_t ALIAS FOR $1;
> BEGIN
> RETURN in_t.f1 || in_t.f3 || in_t.f5 || in_t.f7;
> END;
> ' LANGUAGE 'plpgsql';
--
Oliver Elphick olly@lfix.co.uk
Isle of Wight http://www.lfix.co.uk/oliver
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