Re: [ZODB-Dev] Checking the length of OOBTree

2010-04-10 Thread Chris McDonough
I'm not sure about the internal len variable, but I usually maintain a separate length in something that uses a BTree by using a BTrees.Length.Length object: http://svn.repoze.org/repoze.folder/trunk/repoze/folder/__init__.py On 4/8/10 11:36 AM, Leszek Syroka wrote: Hi, what is the fastest

Re: [ZODB-Dev] Checking the length of OOBTree

2010-04-08 Thread Laurence Rowe
A BTree does not keep track of it's length. See BTrees.Length.Length: http://apidoc.zope.org/++apidoc++/Code/BTrees/Length/Length/index.html Laurence On 8 April 2010 16:36, Leszek Syroka leszek.marek.syr...@cern.ch wrote: Hi, what is the fastest way of checking the number of elements in

Re: [ZODB-Dev] Checking the length of OOBTree

2010-04-08 Thread Adam GROSZER
Hello, And have a look at http://svn.zope.org/zope.container/trunk/src/zope/container/btree.py?rev=107468view=markup for usage. self.__len = Length() Thursday, April 8, 2010, 5:41:04 PM, you wrote: LR A BTree does not keep track of it's length. See BTrees.Length.Length: LR