[ http://issues.apache.org/jira/browse/OPENJPA-81?page=all ]
Marc Prud'hommeaux updated OPENJPA-81:
--------------------------------------
Component/s: diagnostics
Summary: Bad error message when trying to query a Collection relation
using dot notation (was: Wrong alias used when querying an attribute of a 1:n
child)
Issue Type: Improvement (was: Bug)
Priority: Minor (was: Major)
> Bad error message when trying to query a Collection relation using dot
> notation
> -------------------------------------------------------------------------------
>
> Key: OPENJPA-81
> URL: http://issues.apache.org/jira/browse/OPENJPA-81
> Project: OpenJPA
> Issue Type: Improvement
> Components: diagnostics, query
> Environment: openJPA 0.9.7
> MySQL 5.0.15
> Reporter: Jakob Braeuchi
> Priority: Minor
>
> the query over the 1:n relationship 'katergorien'
> em.createQuery("select distinct k from KategorieGruppe k " +
> "where k.kategorien.bezeichnung like ?1 " +
> "order by k.bezeichnung asc");
> uses a wrong alias t2 in the generated SQL:
> SELECT DISTINCT t0.id, t0.bezeichnung FROM ekv2kategoriegruppe t0 INNER JOIN
> ekv2kategorie t1 ON t0.id = t1.idGruppe WHERE (t2.bezeichnung LIKE ? ESCAPE
> '\\') ORDER BY t0.bezeichnung ASC [params=(String) F%]
> Unknown column 't2.bezeichnung' in 'where clause'
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