Re: [SQLObject] How to do a single big join rather than lots…

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Author: Oleg Broytmann
Date:  
To: sqlobject-discuss
Subject: Re: [SQLObject] How to do a single big join rather than lots of little joins?
On Sun, Apr 27, 2008 at 09:28:19PM +0000, Matthew Wilson wrote:
> I've got a table of employees and a table of departments and a related
> table that joins the two.
>
> So when I do
>
> for dept in employee.departments:
>
> the SQLObject machinery runs a separate query for each department row.


   What is ".departments"? MultiplJoin? Use SQLMultipleJoin - it runs one
query for one access. It also handles ordering better (can use any SQL
expression). It returns SelectResults instead of a list, but every "for"
loop will happily iterate over it.

Oleg.
-- 
     Oleg Broytmann            http://phd.pp.ru/            phd@???
           Programmers don't die, they just GOSUB without RETURN.

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