[storm] Querying using a 'where' condition that referes to a Reference. How to?
Mac Ryan
quasipedia at gmail.com
Tue Sep 1 18:58:00 BST 2009
On Tue, 2009-09-01 at 19:45 +0200, Mac Ryan wrote:
> Hello everybody,
>
> sorry to ask something that maybe has been asked already, but I am
> struggling a bit to find my way alone with the limited documentation
> available.
>
> SAMPLE SITUATION (pseudocode):
>
> table "authors"
> name = ...
> country = ...
>
> table "books"
> title = ...
> author = Reference("authors")
>
> DESIDERATA:
>
> I would like to select all the books written by authors from a given
> country. I believed it would be possible to do:
>
> store.find(Books, Books.author.country == 'mycountry')
>
> but this doesn't work. Which is the "storm-correct" way of doing this?
> [I thought about the join syntax and I found this:
> http://twistedmatrix.com/users/radix/storm-api/storm.expr.Join.html
> but unluckily that is undocumented]
>
> Any advice?
> Thank you in advance for your time,
> Mac.
Sorry, disregard my previous message. I found what I was looking for in
the tutorial. My fault not having checked that better.
Mac.
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