And that is exactly what I was looking for!

Thanks!


Tamer

On 11.12.2013 14:27, Vincent Pelletier wrote:
On Wed, 11 Dec 2013 12:27:19 +0200,
Tamer Higazi <tamerito...@arcor.de> wrote :
If i would have 100.000 - 500.000 entries, where 150 would match, I
don't want to go over those completely.

So, if there is a pythonic way to get it solved on a performant way, or
a ZODB way as well that would be wondefull.
BTrees have a very nice API, which allow scanning only a subset of keys
by providing min and max boundaries:
   for key, value in some_btree.items(
           min='aa', max='b', excludemax=True):
       # Do stuff
should do what you want.

http://pythonhosted.org/BTrees/

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