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From "Marc Prud'hommeaux (JIRA)" <j...@apache.org>
Subject [jira] Commented: (OPENJPA-80) Bad Escaping for LIKE in MySQL
Date Mon, 13 Nov 2006 20:23:37 GMT
    [ http://issues.apache.org/jira/browse/OPENJPA-80?page=comments#action_12449481 ] 
            
Marc Prud'hommeaux commented on OPENJPA-80:
-------------------------------------------

Note that you should be able to work around the issue for the time being by setting the property
"openjpa.jdbc.DBDictionary" to "searchStringEscape=\\" in your persistence.xml file or in
the properties you use to create the EntityManagerFactory.

> Bad Escaping for LIKE in MySQL
> ------------------------------
>
>                 Key: OPENJPA-80
>                 URL: http://issues.apache.org/jira/browse/OPENJPA-80
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: query
>         Environment: openJPA 0.9.7 
> MySQL 5.0.15
>            Reporter: Jakob Braeuchi
>
> the following query :
> em.createQuery("select k from KategorieGruppe k  where k.bezeichnung like ?1 order by
k.bezeichnung asc");
> generates an sql-statement with a bad escaping character '\' for MySQL :
> SELECT t0.id, t0.bezeichnung FROM ekv2kategoriegruppe t0 WHERE (t0.bezeichnung LIKE ?
ESCAPE '\') ORDER BY t0.bezeichnung ASC
> the correct escaping would be '\\'.

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