Re: [ZODB-Dev] Re: so your coming from the rdbms world tutorial?

2008-02-27 Thread Sean Allen
On Feb 27, 2008, at 5:33 AM, Laurence Rowe wrote: Sean Allen wrote: been looking for anything along those lines. in particular, strategies and gotchas for how to store objects. everything i've found is basically just a single type of object being stored. i'm really interested in tutorials

Re: [ZODB-Dev] Re: so your coming from the rdbms world tutorial?

2008-02-27 Thread Gary Poster
On Feb 27, 2008, at 10:03 AM, Sean Allen wrote: On Feb 27, 2008, at 5:33 AM, Laurence Rowe wrote: Sean Allen wrote: been looking for anything along those lines. in particular, strategies and gotchas for how to store objects. everything i've found is basically just a single type of object

Re: [ZODB-Dev] Re: Re: IStorageIteration

2008-02-27 Thread Dieter Maurer
Thomas Lotze wrote at 2008-2-26 09:30 +0100: Dieter Maurer wrote: How often do you need it? It is worse the additional index? Especially in view that a storage may contain a very large number of transactions? We've done it differently now anyway, using real iterators which store their state

Re: [ZODB-Dev] ZEO+MultipleClients+ConflictErrors

2008-02-27 Thread Dieter Maurer
Alan Runyan wrote at 2008-2-26 13:07 -0600: ... Most people come at ZODB with previous experience in RDBMS. How do they map SQL INSERT/UPDATE activities to ZODB data structures? In a way that does not create hotspot. I tend to views the objects in an application as belonging to three types:

[ZODB-Dev] RelStorage 1.0c1

2008-02-27 Thread Shane Hathaway
RelStorage 1.0c1 is now available. It has two changes: - It is now installable using easy_install and an egg is available. - Transaction metadata is now stored as raw bytes, following the transaction documentation. This change requires a schema migration for all supported databases.