function body error checking issues

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Тема function body error checking issues
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Msg-id 200502211754.j1LHsQsj004670@mail3.atl.registeredsite.com
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Ответы Re: function body error checking issues  (Bruce Momjian <pgman@candle.pha.pa.us>)
Список pgsql-general
Bruce,
here is a example:
(there is a simple error in the function that does not get caught when running the query in 8.0)

CREATE or REPLACE FUNCTION annual.get_ratio( float8, float8)
RETURNS pg_catalog.float8 AS
$BODY$
DECLARE
execptioncount_in alias for $1;
questioncount_in alias for $2;
ratio_out float8;

BEGIN
  IF (execptioncount_in >0) AND (questioncount_in >0) THEN

    RATIO_OUT = execptioncount_in / questioncount_in;

  ELSE
    --this variable is not declared, yet when I run this query no error is raised
    EXCEPTIONRATIO_OUT = 0;
  END IF;
return ratio_out;
END;
$BODY$
LANGUAGE 'plpgsql' VOLATILE;

>
> From: Bruce Momjian <pgman@candle.pha.pa.us>
> Date: 2005/02/21 Mon AM 10:47:35 EST
> To: tony_caduto@amsoftwaredesign.com
> CC: pgsql-general@postgresql.org
> Subject: Re: [GENERAL] is there anyway to get the backends IP address from
>
> Tony Caduto wrote:
> > Bruce,
> > On another note, is there plans to improve the type checking of stored
> > functions during the save/compile?
> > Currently I can pretty much make tons of mistakes (on purpose of course
> > :-) and they are not flagged as errors until runtime.
> > The biggest complaint I see from other DBAs (MS SQL, Oracle) is that
> > Postgres does little to no pre-runtime type checking.
>
> We have no plans to improve that.  We do have 'check_function_bodies'
> which defaults to true and does some checking.  Would you give us a
> particular example you would like improved?
>
> --
>   Bruce Momjian                        |  http://candle.pha.pa.us
>   pgman@candle.pha.pa.us               |  (610) 359-1001
>   +  If your life is a hard drive,     |  13 Roberts Road
>   +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073
>


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