Query returning 2 entities w/1-1 relationship returns wrong types in the result
list
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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
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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