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From "Heath Thomann (JIRA)" <j...@apache.org>
Subject [jira] Updated: (OPENJPA-708) sub-sub-query generates SQL with syntax error
Date Tue, 11 May 2010 22:11:42 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-708?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Heath Thomann updated OPENJPA-708:
----------------------------------

    Attachment: OPENJPA-708-1.0.x.patch.txt

> sub-sub-query generates SQL with syntax error
> ---------------------------------------------
>
>                 Key: OPENJPA-708
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-708
>             Project: OpenJPA
>          Issue Type: Sub-task
>          Components: jdbc
>    Affects Versions: 1.0.3, 1.0.4, 1.2.0, 1.2.1, 1.3.0
>            Reporter: Catalina Wei
>            Assignee: Catalina Wei
>             Fix For: 1.2.1, 1.3.0
>
>         Attachments: OPENJPA-708-1.0.x.patch.txt
>
>
>  SELECT p, m
>    FROM Publisher p
>         LEFT OUTER JOIN p.magazineCollection m
>   WHERE m.id = (SELECT MAX(m2.id)
>                   FROM Magazine m2
>                  WHERE m2.idPublisher.id = p.id
>                    AND m2.datePublished =
>                          (SELECT MAX(m3.datePublished)
>                             FROM Magazine m3
>                            WHERE m3.idPublisher.id = p.id))
> OpenJPA 1.2.0 translates this into native (MySQL) query:
> SELECT t0.id, t1.id, t1.date_published, t1.id_publisher, t1.name
>  FROM Publisher t0
>       LEFT OUTER JOIN Magazine t1
>          ON t0.id = t1.id_publisher
>  WHERE (t1.id = (SELECT MAX(t4.id)
>                   FROM Magazine t4
>                  WHERE (t2.id_publisher = t0.id
>                        AND t2.date_published =
>                           (SELECT MAX(t3.date_published)
>                              FROM Magazine t2, Magazine t3
>                             WHERE (t3.id_publisher = t0.id)))))
> and that query throws an exception:
> NestedThrowables:
> com.mysql.jdbc.exceptions.MySQLSyntaxErrorException: Unknown column 't2.id_publisher'
in 'where clause'

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