[ZODB-Dev] RelStorage 1.0 beta

2008-02-22 Thread Shane Hathaway
I am pleased to announce the beta release of RelStorage 1.0! RelStorage is a storage implementation for ZODB that stores pickles in a relational database. Features in this release: * Full support for PostgreSQL 8.1+, Oracle 10g, and MySQL 5.0+. * Supports whole-database migration to and

[ZODB-Dev] restore versus invalidation

2008-02-22 Thread Christian Theune
Hi, I'm working on getting `restore` working for ClientStorage. I'm not sure how invalidation should integrate here. The existing invalidation framework looks like it is only intended to invalidate current records, but not records that have an end_tid given already. This seems the core of

[ZODB-Dev] ZEO+MultipleClients+ConflictErrors

2008-02-22 Thread Kenneth Miller
All, Is there a standard bit of documentation as to how to handle a ZEO server with multiple clients writing to the same data structure at the same time? Right now I've got my own layer that runs ontop of a zeo client connection and handles this with ZODB.lock_file, but i really

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

2008-02-22 Thread Alan Runyan
Kenneth, I believe you will want to look into 'conflict resolution'. Possible source of inspiration: http://www.zope.org/Documentation/Articles/ZODB2 -- Alan Runyan Enfold Systems, Inc. http://www.enfoldsystems.com/ phone: +1.713.942.2377x111 fax: +1.832.201.8856