On Jul 7, 2005, at 8:24 PM, Neil Schemenauer wrote: > On Thu, Jul 07, 2005 at 08:06:58PM +0200, Mario Ruggier wrote: >> Again, for the other btree, with simple integer ids, collecting >> exactly >> the same set of instances, the above loop always produces the correct >> output. >> >> Plus, previously this keybindings index was using a persistent_dict, >> with the same identical key tuples, and I never ran into any such >> problems. >> >> Any ideas of what may be happening? > > You might be getting bitten by the fact that btree keys are > compared, not hashed. Ok, that does sound like what's happening... but, can I do anything about it? I cannot use btrees if i use such keys? mario