[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-892) HQL parser does not resolve alias in ORDER BY clause

[Strong Liu (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=44056#comment-44056 ] 

Strong Liu commented on HHH-892:
--------------------------------

JBPAPP-6751

> HQL parser does not resolve alias in ORDER  BY clause
> -----------------------------------------------------
>
>                 Key: HHH-892
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-892
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: query-hql
>    Affects Versions: 3.5.4, 3.6.0.Beta1
>         Environment: Hibernate 3.0.5, MySQL, Tomcat
>            Reporter: Guido Laures
>            Assignee: Gail Badner
>             Fix For: 3.6.0.CR2
>
>         Attachments: HHH-892.patch, HibernateHavingAliasTest.java
>
>
> When using an alias for an ORDER BY clause this is not always correctly resolved. Example:
> SELECT SUM(A.x) AS mySum FROM MyClass AS A GROUP BY A.y ORDER BY mySum
> does not work because "mySum" is not resolved in the ORDER BY clause which results in an exception telling that mySum is an unknown column.
> Workaround (not to say "hack") is using:
> SELECT SUM(A.x) AS mySum FROM MyClass AS A GROUP BY A.y ORDER BY col_0_0_

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