I want to try out the setup using mysql's AUTO_INCREMENT for PK
Generation. As I understood from some posts this is supported in 1.2.
In mysql I set the id columns to use AUTO_INCREMENT. Manual inserts work
fine, I see incremented ids.
In cayenne modeller I set PK Generation Strategy to Database-Generated and
selected the respective Auto Increment Column.
But at runtime I still see cayenne trying to call auto_pk_support. Did I
miss something to setup?
Tobias.
Andrus Adamchik
<andru..bjectsty
le.org> To
cayenne-de..ncubator.apache.org
Friday, 18 August cc
2006 15:49
Subject
Re: Sequoia, Cayenne, MySql 5 with
Please respond to AUTO_PK_SUPPORT
cayenne-de..ncub
ator.apache.org
Custom PkGenerator can be a solution now.
Also we discussed an "optimistic" pk generator some time back:
http://objectstyle.org/cayenne/lists/cayenne-user/2006/07/0067.html
Andrus
On Aug 18, 2006, at 5:24 AM, Tobias SCHOESSLER wrote:
> I am trying to get Cayenne 1.2 work with Sequoia ( former CJDB
> http://sequoia.continuent.org ) with MySql 5.
>
> Sequoia is implementing a clustered JDBC Driver which is
> broadcasting all
> JDBC traffic to a cluster of connected databases.
>
> We are using AUTO_PK_SUPPORT of cayenne because we like the database
> independency of the solution and would like to keep using this in
> this set
> up.
>
> Unfortunately Sequoia seems to have problems with the
>
> LOCK TABLES AUTO_PK_SUPPORT WRITE
>
> commands Cayenne's MySql Adapter is firing when retrieving new IDs
> from the
> AUTO_PK_SUPPORT TABLE. I could not verify that this is a known
> issue with
> Sequoia and MySql yet.
>
> I wondered if there is a way around these LOCK TABLES - why is not a
> transaction used to retrieve the IDs like in the Sybase adapter?
>
> Has someone experience with a similar set up?
>
>
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