Re: Text Variable in a Function

Thanks a lot!

That did the trick :) Was trying to fix the TEXT query and forgetting about the variables (it was one of the variables - had a missing _ ) ehh :)

Thanks again!

-----Original Message-----
From: pgsql-novice-owner(at)postgresql(dot)org [mailto:pgsql-novice-owner(at)postgresql(dot)org] On Behalf Of Terry Lee Tucker
Sent: Wednesday, April 09, 2008 12:59 PM
To: pgsql-novice(at)postgresql(dot)org
Subject: Re: [NOVICE] Text Variable in a Function

On Wednesday 09 April 2008 06:46, Matthew Pulis wrote:
> Hi,
>
>
>
> I am trying to write a function, and have written this :
>
>
>
> var_params_shootingstar :=
>
> $v$
>
> WHERE
>
> (
>
> t1.status = TRUE,
>
> AND (
>
> (
>
> (
>
> SELECT
>
> z( pointn(
> geometryn(d3.the_geom,1), 1) ) AS z
>
> FROM streets_3d d3
>
> WHERE d3.gid = t1.gid
>
> ) / $v$ || var_rain_cm || $v$
>
> ) >= $v$ || var_ratio_car_rain || $v$
>
> ),
>
> AND (
>
> $v$ || var_ratio_cartype_rain || $v$ <=
> 10
>
> )
>
> )
>
> $v$;
>
>
>
>
>
> RAISE NOTICE 'Where clause : %',
> quote_literal(var_params_shootingstar);
>
>
>
> Instead of $v$ I also tried $vps$ and ' . I also tried removing
> quote_literal() to no avail.
>
>
>
> My problem is that I get : NOTICE: Where clause : <NULL> when I try to
> execute the function.
>
>
>
> I tried changing it to var_params_shootingstar := $v$ this is a test $v$
>
> || var_rain_cm || $v$ end of test $v$;
>
> And this is the result I got : NOTICE: Where clause : this is a test 0
> end of test
>
>
>
> BTW : var_params_shootingstar is declared as TEXT.
>
>
>
> I know this is a very strange problem, hence why I am asking here, been
> trying different things for more than an hour.
>
>
>
> Any help is extremely appreciated.
>
>
>
> Thanks and regards
>
>
>
> Matthew
>
>
>
> _____
>
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If one of your variables is null, then the whole expression will be null. This
may be your problem.
--
Terry Lee Tucker
Turbo's IT Manager
Turbo, division of Ozburn-Hessey Logistics
2251 Jesse Jewell Pkwy NE
Gainesville, GA 30501
Tel: (336) 372-6812 Fax: (336) 372-6812 Cell: (336) 404-6987
terry(at)turbocorp(dot)com
www.turbocorp.com

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