Re: [Zope-dev] misterious btree issue

2008-11-06 Thread Jim Fulton
On Nov 6, 2008, at 1:06 PM, Adam GROSZER wrote: > Hello Jim, > > Does this fit? > > https://bugs.launchpad.net/zope3/+bug/294788 Yup. Thanks! Jim -- Jim Fulton Zope Corporation ___ Zope-Dev maillist - Zope-Dev@zope.org http://mail.zope.org/mailm

Re: [Zope-dev] misterious btree issue

2008-11-06 Thread Adam GROSZER
Hello Jim, Does this fit? https://bugs.launchpad.net/zope3/+bug/294788 Thursday, November 6, 2008, 6:14:34 PM, you wrote: JF> On Nov 6, 2008, at 11:32 AM, Tim Peters wrote: >> [Jim Fulton] >>> In particular, it might have a reference to the key in an internal >>> BTree node. >>> (I don't know

Re: [Zope-dev] misterious btree issue

2008-11-06 Thread Jim Fulton
On Nov 6, 2008, at 11:32 AM, Tim Peters wrote: > [Jim Fulton] >> In particular, it might have a reference to the key in an internal >> BTree node. >> (I don't know this to be true, but I wouldn't be surprised if it was >> true.) > > It was true when I was working on BTrees ... here, from > >

Re: [Zope-dev] misterious btree issue

2008-11-06 Thread Tim Peters
[Jim Fulton] > In particular, it might have a reference to the key in an internal > BTree node. > (I don't know this to be true, but I wouldn't be surprised if it was > true.) It was true when I was working on BTrees ... here, from http://svn.zope.org/ZODB/trunk/src/BTrees/Development.txt?re

Re: [Zope-dev] misterious btree issue

2008-11-06 Thread Jim Fulton
On Nov 6, 2008, at 8:14 AM, Jacob Holm wrote: > Hi Adam > > Adam GROSZER wrote: >> Hello, >> >> I've run into a misterious issue while evolving generations from an >> old DB. >> >> Quick fact is that it seems like a BTree kept an object reference to >> an object which was deleted from it. > [snip

Re: [Zope-dev] misterious btree issue

2008-11-06 Thread Jacob Holm
Hi Adam Adam GROSZER wrote: > Hello, > > I've run into a misterious issue while evolving generations from an > old DB. > > Quick fact is that it seems like a BTree kept an object reference to > an object which was deleted from it. [snip] Yes, the BTree implementations we use may keep a reference