On Wed, 11 Dec 2013 12:27:19 +0200,
Tamer Higazi <[email protected]> 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/
--
Vincent Pelletier
ERP5 - open source ERP/CRM for flexible enterprises
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