[hibernate-issues] [Hibernate-JIRA] Created: (HHH-5192) Can't use group_concat in mysql without creating a custom function

[Douglas Ferguson (JIRA)]

Can't use group_concat in mysql without creating a custom function
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                 Key: HHH-5192
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5192
             Project: Hibernate Core
          Issue Type: Bug
    Affects Versions: 3.5.1
         Environment: Linux, Mysql 
            Reporter: Douglas Ferguson


After upgrading we starting getting the exception below and had to register a "custom" function..

Caused by: org.hibernate.HibernateException: Unable to locate mapping for function named [group_concat]
at org.hibernate.criterion.AggregateProjection.getFunction(AggregateProjection.java:93)
at org.hibernate.criterion.AggregateProjection.getFunction(AggregateProjection.java:85)
at org.hibernate.criterion.AggregateProjection.getTypes(AggregateProjection.java:64)
at org.hibernate.criterion.ProjectionList.getTypes(ProjectionList.java:61)
at org.hibernate.loader.criteria.CriteriaQueryTranslator.getProjectedTypes(CriteriaQueryTranslator.java:362)
at org.hibernate.loader.criteria.CriteriaJoinWalker.<init>(CriteriaJoinWalker.java:101)
at org.hibernate.loader.criteria.CriteriaJoinWalker.<init>(CriteriaJoinWalker.java:83)
at org.hibernate.loader.criteria.CriteriaLoader.<init>(CriteriaLoader.java:92)
at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1687)
at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:347)

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