Re: Tweak sql result set... ? - Mailing list pgsql-sql

From Jasmin Dizdarevic
Subject Re: Tweak sql result set... ?
Date
Msg-id a0eee4d40907300053x1d19e1d8n52ece03dc9490dbb@mail.gmail.com
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In response to Re: Tweak sql result set... ?  (Axe <info@axier.se>)
Responses Re: Tweak sql result set... ?
List pgsql-sql
i think jasen is thinking of manipulating the result set in your programming enviroment not in the database.
btw from the point of "clean programming" it's a bad idea to integrate html-elements directly into your database quereis. you're mixing data layer and design layer.
 
what do you mean with sometimes?
2009/7/29 Axe <info@axier.se>

> > Any ideas on how to achieve this? I would like to let the original sql
> > code stay original. I can prepare postgres before executing the sql if
> > this makes it easier to acheive the goal
>
> Have a look at CREATE RULE.
>
> Tim
>
Ok, you mean I could create a rule for the table, then I let the
script go into my "black box",
do the original selects, but get a manipulated result set back, then I
drop the rule so
that the blackbox of scripts can get the not manipulated result set
back?

I need to sometimes get the result "<div>output from query</div>" and
sometimes not
and it would be awesomw to get it with the same query, but maybe by
setting
a rule or similar. Best from performance view would be to make
something
more permanent. Is it possible to activate/deactivate a rule?

Axe

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