Hi folks!
I thought I get, those UNKNOWN-PKs running, but now MySQL screams. There's a wrong statement created...
CREATE TABLE EMPLOYEE (firstname VARCHAR(250), lastname VARCHAR(250), employeeid INTEGER(11) NOT NULL IDENTITY, CONSTRAINT PK_EMPLOYEE PRIMARY KEY (employeeid))
It is absolutely fine to contraint into the create statement. I guess, you are using
<datasource-mapping>Hypersonic SQL</datasource-mapping>