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http://opensource.atlassian.com/projects/hibernate/browse/HHH-4174?page=c...
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Aviad Lichtenstadt commented on HHH-4174:
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I have just encountered this issue with mysql
But also with the latest version of HQLDB.
Mysql has a driver flag to fix this issue:
useOldAliasMetadataBehavior=true
Butfor HSQLDB there is no solution and since they are implementing the correct jdbc spec i
suggest Hibernate will do something about it
native SQL queries in hibernate don't work when using aliases to
differentiate columns that have the same name
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Key: HHH-4174
URL:
http://opensource.atlassian.com/projects/hibernate/browse/HHH-4174
Project: Hibernate Core
Issue Type: Bug
Components: entity-manager
Environment: jboss 4.2.2, mysql 5
Reporter: Alex McCarrier
Basically same as HHH-2094, if you do something like this:
select
oldForm.data as oldData
newForm.data as newData
from
form oldForm,
join form newForm on oldForm.replaced_by_id = newForm.id
then use entityManager.createNativeQuery(sql).getResultList()
it will end up with an error that says column named oldData does not exist. If you take
out the aliases, then it will just return the first value for "data" for every
column. If you run this through straight JDBC with the alias, it works as expected.
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