Prefix is missed in HQL query for property mapped to column 'TO_DATE' on Oracle
10g
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Key: HHH-5135
URL:
http://opensource.atlassian.com/projects/hibernate/browse/HHH-5135
Project: Hibernate Core
Issue Type: Bug
Components: core
Affects Versions: 3.5.1, 3.5.0-Final
Environment: Hibernate 3.5.1, Oracle 10.2.0.1.0
Reporter: Vladimir Ivanov
Attachments: test_case.zip
I have entity 'Period' with property 'toDate' mapped to database column
with name 'TO_DATE' (Our database is Oracle 10g). When this entity is queried via
HQL, prefix for this entity is missed. Following SQL query is produced:
Hibernate:
/*
from
Period p */ select
*
from
( select
period0_.ID as ID44_,
period0_.TXN_VER as TXN3_44_,
period0_.FROM_DATE as FROM4_44_,
TO_DATE as TO5_44_,
period0_.POSITION_MONTH as POSITION7_44_,
period0_.IS_CLOSE as IS12_44_,
period0_.IS_OPEN as IS13_44_,
period0_.DISC_TYPE as DISC2_44_
from
SOME_SCHEMA.T_PERIOD period0_ )
where
rownum <= ?
This leads to database error in case of more advanced query (with joins etc). For example,
we have following error in production: java.sql.SQLException: ORA-00918: column
ambiguously defined
Probably the reason of this behaviour is that Hibernate tries to interpret
'TO_DATE' as the name of SQL function.
In Hibernate 3.3.2.GA prefix is added correctly.
Domain object, DAO, Test and Hibernate configuration are in the attachment.
I used Spring framework to configure test.
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