Hi, H2 already supports NULL in unique constraints.
Could you provide a simple test case with SQL statements (create table, insert,...)? Please not a JPA test case, just some SQL. It might be a problem with the JPA configuration you are using. Regards, Thomas On Monday, March 19, 2012, M. Walter wrote: > Okay done: http://code.google.com/p/h2database/issues/detail?id=385 > > -- > You received this message because you are subscribed to the Google Groups > "H2 Database" group. > To view this discussion on the web visit > https://groups.google.com/d/msg/h2-database/-/yzG5EDlG8CoJ. > To post to this group, send email to h2-database@googlegroups.com. > To unsubscribe from this group, send email to > h2-database+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/h2-database?hl=en. > -- You received this message because you are subscribed to the Google Groups "H2 Database" group. To post to this group, send email to h2-database@googlegroups.com. To unsubscribe from this group, send email to h2-database+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/h2-database?hl=en.