[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-1050) HQL Unions
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http://opensource.atlassian.com/projects/hibernate/browse/HHH-1050?page=c...
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Matt Sgarlata commented on HHH-1050:
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If the underlying database supports the UNION keyword, Hibernate appears to accept it just
fine. I just used UNION in a HQL query using SQL Server 2000 with no problems.
HQL Unions
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Key: HHH-1050
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-1050
Project: Hibernate Core
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
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