Re: [ZODB-Dev] Advice needed

2006-06-25 Thread Andreas Jung
--On 25. Juni 2006 21:33:21 +0200 Dieter Maurer <[EMAIL PROTECTED]> wrote: Andreas Jung wrote at 2006-6-24 22:36 +0200: ... The ZODB model (object data stored in a storage with behaviour coded in the clients) is powerful enough to simply implement the relational database data struct

[ZODB-Dev] Re: More exciting ZODB errors ;-)

2006-06-25 Thread Florent Guillaume
[old thread from december] Dieter Maurer wrote: Chris Withers wrote at 2005-12-14 16:23 +: ... File "lib/python/ZODB/Connection.py", line 788, in _setstate_noncurrent assert end is not None AssertionError This means that the latest modification for this object lies before the respec

Re: [ZODB-Dev] Advice needed

2006-06-25 Thread Dieter Maurer
Andreas Jung wrote at 2006-6-24 22:36 +0200: > ... >>The ZODB model (object data stored in a storage with behaviour >>coded in the clients) is powerful enough to simply >>implement the relational database data structures: tables >>and indexes and their corresponding operations. >> >

Re: [ZODB-Dev] Advice needed

2006-06-25 Thread Dieter Maurer
Roché Compaan wrote at 2006-6-25 11:13 +0200: > ... >> Careful design with respect to the granularity and locality >> of persistent objects: >> >> Move groups of large and rarely used attributes out >> into persistent subobjects. > >Will this lead to smaller transaction sizes for objects that

Re: [ZODB-Dev] Advice needed

2006-06-25 Thread Roché Compaan
On Sat, 2006-06-24 at 20:54 +0200, Dieter Maurer wrote: > Roché Compaan wrote at 2006-6-24 08:53 +0200: > > ... > >I am curious what other strategies besides QueueCatalog you employ? > > Careful design with respect to the granularity and locality > of persistent objects: > > Move groups of larg