Обсуждение: Stored Procedures returning a RECORD

--- Kent Anderson <kenta@ezyield.com> wrote:

> I am attempting to use a stored procedure to pull a
> report from the
> database. My questions is if its even possible to
> pull the data using a
> function and then treat the returned data as a
> normal recordset with the web
> pages.
> 
> The actual function looks like
> 
> CREATE OR REPLACE FUNCTION submissionreport(integer,
> date, text) RETURNS
> RECORD AS'

Your return value has to be of a specific type
("record" is too generic).  Every table automatically
has a type created, which each of its rows conforms
to.  Or you could create a custom type, using "create
type".

> 
>  DECLARE
>  somekey ALIAS for $1;
>  somedate ALIAS for $2;
>  somesortorder ALIAS for $3;
>  submission RECORD;
>  BEGIN
> 
> SELECT INTO submission  (... stuff goes here)
> ORDER BY sort;
> 
>     RETURN submission;
> END;
> ' LANGUAGE plpgsql;
> 
> The error being returned is in the web pages"
>   SQLState: 08S01 Native Error Code: 1 Error while
> executing the query;
> ERROR: cannot display a value of type record"
> 
> 
> 
> Kent Anderson
> EZYield.com
> 407-629-0900
> www.ezyield.com
> 
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