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Posted to dev@openjpa.apache.org by "George Hongell (JIRA)" <ji...@apache.org> on 2006/09/20 00:35:24 UTC
[jira] Updated: (OPENJPA-45) pushdown sql uses outer join when it
should use inner join
[ http://issues.apache.org/jira/browse/OPENJPA-45?page=all ]
George Hongell updated OPENJPA-45:
----------------------------------
Attachment: failureEntities.jar
entity java files and derby ddl script to use to recreate this problem
> pushdown sql uses outer join when it should use inner join
> ----------------------------------------------------------
>
> Key: OPENJPA-45
> URL: http://issues.apache.org/jira/browse/OPENJPA-45
> Project: OpenJPA
> Issue Type: Bug
> Components: query
> Environment: windows xp, derby, db2
> Reporter: George Hongell
> Attachments: failureEntities.jar
>
>
> 13 - uses outer join not inner join
> TEST13; select $ from EmpBean $, DeptBean _a
> 5859 TRACE [main] openjpa.jdbc.SQL - <t 1094861122, conn 295440796> [0 ms] executing prepstmnt 612246654 SELECT t0.empid, t0.bonus, t1.deptno, t1.budget, t1.name, t0.execLevel, t0.hireDate, t0.hireTime, t0.hireTimestamp, t2.street, t2.city, t2.state, t2.zip, t0.isManager, t0.name, t0.salary, t3.street, t3.city, t3.state, t3.zip FROM EmpBean t0 LEFT OUTER JOIN DeptBean t1 ON t0.dept_deptno = t1.deptno LEFT OUTER JOIN AddressBean t2 ON t0.home_street = t2.street LEFT OUTER JOIN AddressBean t3 ON t0.work_street = t3.street
> pushdown sql s/b
> select t0.empid, t0.bonus, t1.deptno, t1.budget, t1.name, t0.execLevel, t0.hireDate, t0.hireTime, t0.hireTimestamp, t2.street, t2.city, t2.state, t2.zip, t0.isManager, t0.name, t0.salary, t3.street, t3.city, t3.state, t3.zip FROM EmpBean t0 JOIN DeptBean t1 ON t0.dept_deptno = t1.deptno LEFT OUTER JOIN AddressBean t2 ON t0.home_street = t2.street LEFT OUTER JOIN AddressBean t3 ON t0.work_street = t3.street
> [ FAILED 13- bucket = fvtfull, query = select $ from EmpBean $, DeptBean _a :
> DIFFERENCE-locations based on expected-(
> diff at line 2 position 1 EXPECTED [ ] ACTUAL [E]
> $
> EmpBean
> )
> EXPECTED(
> TEST13; select $ from EmpBean $, DeptBean _a
> EmpBean
> ~~~~~~~
> [1]
> [2]
> [3]
> [4]
> [5]
> [6]
> [7]
> [8]
> [9]
> TEST13; 9 tuples) ]
> ACTUAL(
> TEST13; select $ from EmpBean $, DeptBean _a
> EmpBean
> ~~~~~~~
> [1]
> [2]
> [3]
> [4]
> [5]
> [6]
> [7]
> [8]
> [9]
> [10]
> TEST13; 10 tuples) ]
> 83 pushdown uses all left outer joins but last 2 joins should be inner
> TEST83; select d.name, e.name, p.name from DeptBean d left join d.emps e join e.tasks p
> bad trace /does not work
> 9234 TRACE [main] openjpa.jdbc.SQL - <t 1094861122, conn 295440796> [15 ms] executing prepstmnt 343938176 SELECT t0.name, t1.name, t3.name FROM DeptBean t0 LEFT OUTER JOIN EmpBean t1 ON t0.deptno = t1.dept_deptno LEFT OUTER JOIN TaskBean_EmpBean t2 ON t1.empid = t2.empid LEFT OUTER JOIN TaskBean t3 ON t2.tasks_taskid = t3.taskid
> trace s/b
> 9234 TRACE [main] openjpa.jdbc.SQL - <t 1094861122, conn 295440796> [15 ms] executing prepstmnt 343938176 SELECT t0.name, t1.name, t3.name FROM DeptBean t0 LEFT OUTER JOIN EmpBean t1 ON t0.deptno = t1.dept_deptno LEFT OUTER JOIN TaskBean_EmpBean t2 ON t1.empid = t2.emps_empid LEFT OUTER JOIN TaskBean t3 ON t2.tasks_taskid = t3.taskid
> pushdown sql s/b
> select t0.name, t1.name, t3.name FROM DeptBean t0 LEFT OUTER JOIN EmpBean t1 ON t0.deptno = t1.dept_deptno JOIN TaskBean_EmpBean t2 ON t1.empid = t2.emps_empid JOIN TaskBean t3 ON t2.tasks_taskid = t3.taskidactual TEST83; select d.name, e.name, p.name from DeptBean d left join d.emps e join e.tasks p
> [ FAILED 83- bucket = fvtfull, query = select d.name, e.name, p.name from DeptBean d left join d.emps e join e.tasks p :
> EXPECTED(
> TEST83; select d.name, e.name, p.name from DeptBean d left join d.emps e join e.tasks p
> d.name e.name p.name
> ~~~~~~~~~~~ ~~~~~~~~~~~ ~~~~~~
> Service ritika Test
> Development david Code
> Development david Design
> Development david Design
> Development harry Code
> Development harry Test
> Development andrew Code
> TEST83; 7 tuples )
> ACTUAL(
> TEST83; select d.name, e.name, p.name from DeptBean d left join d.emps e join e.tasks p
> d.name e.name p.name
> ~~~~~~~~~~~ ~~~~~~~~~~~ ~~~~~~
> CEO ahmad null
> CEO Tom Rayburn null
> Admin george null
> Admin minmei null
> Sales null null
> Service ritika Test
> Development david Code
> Development david Design
> Development david Design
> Development harry Code
> Development harry Test
> Development andrew Code
> Development charlene null
> TEST83; 13 tuples) ]
> 85 same as 83 but last join uses the (,in relationship) syntax
> TEST85; select d.name, e.name, p.name from DeptBean d left join d.emps e, in (e.tasks) p
> 9297 TRACE [main] openjpa.jdbc.SQL - <t 1094861122, conn 295440796> [16 ms] executing prepstmnt 2016704564 SELECT t0.name, t1.name, t3.name FROM DeptBean t0 LEFT OUTER JOIN EmpBean t1 ON t0.deptno = t1.dept_deptno LEFT OUTER JOIN TaskBean_EmpBean t2 ON t1.empid = t2.empid LEFT OUTER JOIN TaskBean t3 ON t2.tasks_taskid = t3.taskid
> pushdown sql s/b
> select t0.name, t1.name, t3.name FROM DeptBean t0 LEFT OUTER JOIN EmpBean t1 ON t0.deptno = t1.dept_deptno LEFT OUTER JOIN TaskBean_EmpBean t2 ON t1.empid = t2.emps_empid JOIN TaskBean t3 ON t2.tasks_taskid = t3.taskid
> [ FAILED 85- bucket = fvtfull, query = select d.name, e.name, p.name from DeptBean d left join d.emps e, in (e.tasks) p :
> EXPECTED(
> TEST85; select d.name, e.name, p.name from DeptBean d left join d.emps e, in (e.tasks) p
> d.name e.name p.name
> ~~~~~~~~~~~ ~~~~~~~~~~~ ~~~~~~
> Service ritika Test
> Development david Code
> Development david Design
> Development david Design
> Development harry Code
> Development harry Test
> Development andrew Code
> TEST85; 7 tuples )
> ACTUAL(
> TEST85; select d.name, e.name, p.name from DeptBean d left join d.emps e, in (e.tasks) p
> d.name e.name p.name
> ~~~~~~~~~~~ ~~~~~~~~~~~ ~~~~~~
> CEO ahmad null
> CEO Tom Rayburn null
> Admin george null
> Admin minmei null
> Sales null null
> Service ritika Test
> Development david Code
> Development david Design
> Development david Design
> Development harry Code
> Development harry Test
> Development andrew Code
> Development charlene null
> TEST85; 13 tuples) ]
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