2:46 p.m.
[
http://opensource.atlassian.com/projects/hibernate/browse/HHH-2258?page=c...
]
Darryl Miles commented on HHH-2258:
-----------------------------------
HQL:
13:34:03,477 DEBUG QueryTranslatorImpl:241 - HQL: SELECT r FROM
org.hibernate.test.joinedmapfilter.Toplevel AS r WHERE r.toplevelId=? AND
r.productDetail.attributes[?]=?
SQL (written out nicer) :
13:34:03,478 DEBUG QueryTranslatorImpl:242 - SQL:
select
toplevel0_.toplevel_id as toplevel1_0_,
toplevel0_.long_value_one as long2_0_,
toplevel0_.product_detail_id as product3_0_,
toplevel0_.description as descript4_0_
from
toplevel toplevel0_,
/////////////// MISSING TABLE NOT EMITTED BY HIB "product_detail
productdet1_, " ///////////////
product_detail_attrs attributes2_
where
toplevel0_.product_detail_id=productdet1_.product_detail_id
and productdet1_.product_detail_id=attributes2_.product_detail_id
and attributes2_.name = ?
and toplevel0_.toplevel_id=?
and attributes2_.value=?
I inserted the missing: "product_detail productdet1_" in the FROM clause. That
missing table is the reason for this bug report (just in case it hasn't been obvious
so far).
Bad SQL Grammer: Implicit join when using r.fooClass.attributes[?]=?
--------------------------------------------------------------------
Key: HHH-2258
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2258
Project: Hibernate Core
Issue Type: Bug
Components: core
Affects Versions: 3.1.3
Environment: MySQL server this has been tested with.
Reporter: Darryl Miles
Priority: Critical
Attachments: HHH-2258.txt, test_joinedmapfilter.zip
Please find this test case atteched to demonstrate the bug, maybe you can add to the
hibernate distribution for future testing and piece of mind for me.
The error:
Testsuite: org.hibernate.test.joinedmapfilter.JoinedMapFilterTest
Tests run: 1, Failures: 0, Errors: 1, Time elapsed: 0.498 sec
Testcase: testJoinedMapFilter took 0.495 sec
Caused an ERROR
could not execute query
org.hibernate.exception.SQLGrammarException: could not execute query
at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:67)
at
org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)
at org.hibernate.loader.Loader.doList(Loader.java:2147)
at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2028)
at org.hibernate.loader.Loader.list(Loader.java:2023)
at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:393)
at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:338)
at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:172)
at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1121)
at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79)
at
org.hibernate.test.joinedmapfilter.JoinedMapFilterTest.testJoinedMapFilter(JoinedMapFilterTest.java:116)
at org.hibernate.test.TestCase.runTest(TestCase.java:250)
at org.hibernate.test.TestCase.runBare(TestCase.java:316)
Caused by: java.sql.SQLException: Unknown table 'productdet1_' in where clause
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2928)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1571)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1666)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2994)
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:936)
at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1030)
at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:186)
at org.hibernate.loader.Loader.getResultSet(Loader.java:1668)
at org.hibernate.loader.Loader.doQuery(Loader.java:662)
at
org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)
at org.hibernate.loader.Loader.doList(Loader.java:2144)
... 25 more
SELECT r FROM com.company.Toplevel AS r WHERE r.toplevel=? AND
rec.productDetail.attributes[?]=?
Also my recent post:
http://forum.hibernate.org/viewtopic.php?t=966374&start=0&postday...
This testcase has been tested with 3.1.3 and 3.2.0-ga.
2nd problem:
There is also another situation in the testcase which I found through serendipity which
causes a NPE inside hibernate because I misspelled "r" as "rec".
Check out the commented out section and swap over the createQuery() lines to demonstrate
that NPE.
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