hibernate/hibernate-orm — pull request #513 by lukasz-antoniak (2013-04-18 09:14:35+00:00)
Title: HHH-7214 - Validation of duplicated discriminator values

Patch and test for HHH-7214 JIRA ticket.
Link: https://hibernate.atlassian.net/browse/HHH-7214

Best regards,
Lukasz Antoniak