My MySql knowledge is less than desirable, so pardon me for asking...
I thaught AUTO_PK_SUPPORT is the MySql way of auto incrementing
(together with AUTO_INCREMENT on column).
Are you saying I don't even need AUTO_PK_SUPPORT table?
-Borut
Gentry, Michael (Contractor) pravi:
> I didn't keep up with the MySQL stuff too much, but I believe support
> was added (sometime in 1.2) for auto-increment columns. The
> isGenerated="true" is what controls it, I believe. Assuming my memory
> is working, that attribute tells Cayenne to not use the AUTO_PK_SUPPORT
> table and instead rely on MySQL to auto-increment the value and return
> it to Cayenne.
>
> /dev/mrg
>
>
> -----Original Message-----
> From: Borut Bolcina [mailto:bo..ajdi.si]
> Sent: Wednesday, June 21, 2006 2:53 AM
> To: cayenne-use..ncubator.apache.org
> Subject: MySql auto generated PK
>
>
> Is something broken or am I missing something in my setup, but when
> inserting, Cayenne is generating PK instead of using AUTO_PK_SUPPORT.
>
> I use Cayenne 1.2RC1, mysql-connector-java-3.1.13
> This is mapping:
> <db-attribute name="oid" type="INTEGER" isPrimaryKey="true"
> isGenerated="true" isMandatory="true"/>
>
> and this is how I generate the tables
> MySQLAdapter mysqlDbAdapter = new MySQLAdapter();
> mysqlDbAdapter.setSupportsFkConstraints(true);
> mysqlDbAdapter.setSupportsGeneratedKeys(true);
> generator = new DbGenerator(mysqlDbAdapter, dataMap);
> generator.setShouldCreatePKSupport(true);
> generator.setShouldCreateFKConstraints(true);
> generator.setShouldDropTables(false);
> generator.runGenerator(dataSource);
>
> AUTO_PK_SUPPORT table gets generated and correctly populated with table
> names and initial value 200.
>
> When inserting records, Cayenne inserts records with PK 1,2,3,...
> ignoring AUTO_PK_SUPPORT. No SELECT FROM AUTO_PK_SUPPORT happens in log
> files.
>
> What did I miss. I think this worked months ago when exercising Cayenne
> with some simple examples.
>
> Cheers,
> Borut
>
>
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