HQL Unions ---------- Key: HHH-1050 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-1050 Project: Hibernate3 Issue Type: New Feature Components: query-hql Reporter: Steve Ebersole Assignee: Steve Ebersole Fix For: antlr-rework Add the ability to define unions in HQL. Support will be initially limited to only: 1) scalar queries : select id from Animal union select id from Car 2) the same entity : from Animal where ... union from Animal where ... Support both UNION and UNION ALL