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From "George Hongell (JIRA)" <j...@apache.org>
Subject [jira] Commented: (OPENJPA-210) Query returning 2 entities w/1-1 relationship returns wrong types in the result list
Date Fri, 06 Apr 2007 23:52:32 GMT

    [ https://issues.apache.org/jira/browse/OPENJPA-210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12487362
] 

George Hongell commented on OPENJPA-210:
----------------------------------------

The same test on a similar application fails with java.lang.InstantiationException: java.lang.Integer
String sql = "SELECT r,r.home FROM EmpBean r";

clear detaches all entities from the persistent context
2463  mdd  TRACE  [main] openjpa.jdbc.SQL - <t 1094861122, conn 1297894748> executing
prepstmnt 96339390 SELECT t0.empid, t1.street, t1.city, t1.state, t1.zip FROM EmpBean t0 LEFT
OUTER JOIN AddressBean t1 ON t0.home_street = t1.street
2463  mdd  TRACE  [main] openjpa.jdbc.SQL - <t 1094861122, conn 1297894748> [0 ms] spent
<0|false|0.9.7-incubating-SNAPSHOT> org.apache.openjpa.persistence.PersistenceException:
java.lang.Integer
	at org.apache.openjpa.util.ApplicationIds.copy(ApplicationIds.java:301)
	at org.apache.openjpa.util.ApplicationIds.copy(ApplicationIds.java:239)
	at org.apache.openjpa.kernel.StateManagerImpl.initialize(StateManagerImpl.java:236)
	at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.initializeState(JDBCStoreManager.java:327)
	at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.initialize(JDBCStoreManager.java:252)
	at org.apache.openjpa.kernel.DelegatingStoreManager.initialize(DelegatingStoreManager.java:108)
	at org.apache.openjpa.kernel.ROPStoreManager.initialize(ROPStoreManager.java:54)
	at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:873)
	at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:831)
	at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:753)
	at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.load(JDBCStoreManager.java:773)
	at org.apache.openjpa.jdbc.sql.AbstractResult.load(AbstractResult.java:254)
	at org.apache.openjpa.jdbc.sql.SelectImpl$SelectResult.load(SelectImpl.java:2115)
	at org.apache.openjpa.jdbc.kernel.exps.PCPath.load(PCPath.java:684)
	at org.apache.openjpa.jdbc.kernel.exps.PCPath.load(PCPath.java:672)
	at org.apache.openjpa.jdbc.kernel.ProjectionResultObjectProvider.getResultObject(ProjectionResultObjectProvider.java:73)
	at org.apache.openjpa.lib.rop.EagerResultList.<init>(EagerResultList.java:33)
	at org.apache.openjpa.kernel.QueryImpl.toResult(QueryImpl.java:1214)
	at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:981)
	at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:791)
	at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:761)
	at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:757)
	at org.apache.openjpa.kernel.DelegatingQuery.execute(DelegatingQuery.java:512)
	at org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:225)
	at org.apache.openjpa.persistence.QueryImpl.getResultList(QueryImpl.java:264)
	at com.ibm.ws.query.tests.BugTest.test_1_1relationshipQuery_EmpBean_AddressBean(BugTest.java:252)
	at com.ibm.ws.query.tests.BugTest.main(BugTest.java:96)
Caused by: java.lang.InstantiationException: java.lang.Integer
	at java.lang.Class.newInstanceImpl(Native Method)
	at java.lang.Class.newInstance(Class.java:1243)
	at org.apache.openjpa.util.ApplicationIds.copy(ApplicationIds.java:299)
	... 26 more
close(only used for application managed Persistent Context) inactivates the EntityManager
and detaches all entities
create new Application Managed Persistent Context with no managed entities

====================================
Starting test_1_1relationshipQuery_EmpBean_AddressBean()
====================================
Shows a EmpBean and its address
String sql = "SELECT r.home,r FROM EmpBean r WHERE r.empid = ?1"
Caution: requires _em.find(EmpBean.class,parm1) to avoid cache exception
Caution: "SELECT r,r.home" currently fails, returns [AddressBean, AddressBean] instead of
[EmpBean, AddressBean]
-----------------------------------------------------------------------------


> Query returning 2 entities w/1-1 relationship returns wrong types in the result list
> ------------------------------------------------------------------------------------
>
>                 Key: OPENJPA-210
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-210
>             Project: OpenJPA
>          Issue Type: Bug
>         Environment: 0.9.7-incubating-SNAPSHOT,  windows, db2
>            Reporter: George Hongell
>         Attachments: 1_1WrongReturnTypesBugWineryTest.zip
>
>
> Query returning 2 entities w/1-1 relationship returns [Address, Address]  instead of
[Winery, Address]
> "SELECT r,r.address from Winery r" returns [Address, Address] 
> "SELECT r,r.home from EmpBean r" returns [null, AddressBean] 
> does not matter if 1-1 relationship is uni-directional or bi-directional
> (NOTE: "SELECT r.address,r" gets same Address id already exists in the L1 cache  if uni-dir
relationship (issue 209))  
> clear detaches all entities from the persistent context
> 1302  bugsmall  TRACE  [main] openjpa.Query - Executing query: SELECT r,r.home FROM EmpBean
r
> 1302  bugsmall  TRACE  [main] openjpa.jdbc.SQL - <t 1094861122, conn 755379462>
executing prepstmnt 335287292 SELECT t0.empid, t1.street, t1.city, t1.state, t1.zip FROM bugsmallEmpBean
t0 LEFT OUTER JOIN bugsmallAddressBean t1 ON t0.home_street = t1.street
> 1302  bugsmall  TRACE  [main] openjpa.jdbc.SQL - <t 1094861122, conn 755379462>
[0 ms] spent
> 1302  bugsmall  TRACE  [main] openjpa.jdbc.SQL - <t 1094861122, conn 755379462>
executing prepstmnt 695216496 SELECT t0.city, t0.state, t0.zip FROM bugsmallAddressBean t0
WHERE t0.street = ? [params=(String) 1]
> 1312  bugsmall  TRACE  [main] openjpa.jdbc.SQL - <t 1094861122, conn 755379462>
[10 ms] spent
> java.lang.NullPointerException
> 	at com.ibm.websphere.ejb3sample.winetour.bugsmall.BugSmallWineryTest.test_1_1relationshipQuery_EmpBean_AddressBean(BugSmallWineryTest.java:468)
> 	at com.ibm.websphere.ejb3sample.winetour.bugsmall.BugSmallWineryTest.main(BugSmallWineryTest.java:103)
> 1352  bugsmall  TRACE  [main] openjpa.Query - Executing query: [SELECT r,r.address FROM
Winery r WHERE r.wineryid = ?1] with parameters: {1=1}
> 1352  bugsmall  TRACE  [main] openjpa.jdbc.SQL - <t 1094861122, conn 755379462>
executing prepstmnt 1670669204 SELECT t0.wineryid, t1.phone, t1.city, t1.state, t1.street,
t1.zip FROM bugsmallWinery t0 LEFT OUTER JOIN bugsmallAddress t1 ON t0.address_phone = t1.phone
WHERE (t0.wineryid = ?) [params=(int) 1]
> 1362  bugsmall  TRACE  [main] openjpa.jdbc.SQL - <t 1094861122, conn 755379462>
[10 ms] spent
> 1362  bugsmall  TRACE  [main] openjpa.jdbc.SQL - <t 1094861122, conn 755379462>
executing prepstmnt 2097052926 SELECT t0.city, t0.state, t0.street, t0.zip FROM bugsmallAddress
t0 WHERE t0.phone = ? [params=(String) 1]
> 1512  bugsmall  TRACE  [main] openjpa.jdbc.SQL - <t 1094861122, conn 755379462>
[0 ms] spent
> java.lang.ClassCastException: com.ibm.websphere.ejb3sample.winetour.bugsmall.Address
incompatible with com.ibm.websphere.ejb3sample.winetour.bugsmall.Winery
> 	at com.ibm.websphere.ejb3sample.winetour.bugsmall.BugSmallWineryTest.test_1_1relationshipQuery_Winery_Address(BugSmallWineryTest.java:374)
> 	at com.ibm.websphere.ejb3sample.winetour.bugsmall.BugSmallWineryTest.main(BugSmallWineryTest.java:104)
> close(only used for application managed Persistent Context) inactivates the EntityManager
and detaches all entities
> create new Application Managed Persistent Context with no managed entities
> ====================================
> Starting test_1_1relationshipQuery_EmpBean_AddressBean()
> ====================================
> Shows a EmpBean and its address
> String sql = "SELECT r,r.home FROM EmpBean r WHERE r.empid = ?1"
> Caution: requires _em.find(EmpBean.class,parm1) to avoid cache exception or incorrect
types in result list
> Caution: "SELECT r,r.home" currently fails, returns [null, AddressBean] instead of [EmpBean,
AddressBean]
> -----------------------------------------------------------------------------
> 1-1 query oa[0] is null 
> 1-1 query oa[1] = com.ibm.websphere.ejb3sample.winetour.bugsmall.AddressBean
> ====================================
> Starting test_1_1relationshipQuery_Winery_Address()
> ====================================
> Shows a winery and its address
> String sql = "SELECT r,r.address FROM Winery r WHERE r.wineryid = :wineryid "
> Caution: requires _em.find(Winery.class,parm1) to avoid cache exception or incorrect
types in result list
> Caution: "SELECT r,r.address" currently fails, returns [Address, Address] instead of
[Winery, Address]
> -----------------------------------------------------------------------------
> 1-1 query oa[0] = com.ibm.websphere.ejb3sample.winetour.bugsmall.Address
> 1-1 query oa[1] = com.ibm.websphere.ejb3sample.winetour.bugsmall.Address

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