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https://issues.apache.org/jira/browse/OPENJPA-210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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George Hongell updated OPENJPA-210:
-----------------------------------
Attachment: 1_1WrongReturnTypesBugWineryTest.zip
run main method of BugSmallWineryTest in attached application to reproduce error
> 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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