"kpiis" wrote : "asack" wrote : The other thing I find odd is that Hibernate attempts to make it a integer during auto creation of the table instead of a SERIAL type. Why is that? | Can you provide the analogue of serial type in Java? "The type names serial and serial4 are equivalent: both create integer columns." http://www.postgresql.org/docs/8.1/static/datatype.html#DATATYPE-SERIAL Right now we are getting several instances of Hibernate not picking the right primary key during insertion using the AUTO strategy for tables (which I'm doing purposely to be database agnostic). I'm trying to understand why. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4051482#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...