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Date: Tue, 19 Sep 2006 16:50:22 -0700 (PDT)
From: "George Hongell (JIRA)" <jira@apache.org>
To: open-jpa-dev@incubator.apache.org
Subject: [jira] Commented: (OPENJPA-50) bad sql pushdown, cast changes
 datatype
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    [ http://issues.apache.org/jira/browse/OPENJPA-50?page=comments#action_12436062 ] 
            
George Hongell commented on OPENJPA-50:
---------------------------------------

removed testcase references.
run on version 443432.

EJBQL:
select e from EmpBean e where e.salary > 5 and abs(e.salary) > 12
 
OPENJPA ERROR OR SQL PUSHDOWN:
returns 2 entitie instances but should return 3

28203  TRACE  [main] openjpa.jdbc.SQL - <t 1094861122, conn 295440796> [0 ms] executing prepstmnt 1712481810 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 WHERE (CAST(t0.salary AS DOUBLE) > CAST(? AS DOUBLE) AND CAST(ABS(t0.salary) AS BIGINT) > CAST(? AS BIGINT)) [params=(long) 5, (long) 12]
select t0.empid, t0.salary  FROM EmpBean t0 LEFT OUTER JOIN DeptBean t1 ON t0.dept_deptno = t1.deptno WHERE (CAST(t0.salary AS DOUBLE) > ?) AND (CAST(ABS(t0.salary) AS BIGINT) > ?) {long 5, long 12}

why CAST(ABS(t0.salary) AS BIGINT)?????????

SUGGESTED SQL PUSHDOWN:
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  WHERE (CAST(t0.salary AS DOUBLE) > ?) AND (CAST(ABS(t0.salary) AS DOUBLE) > ?) {long 5, long 12}


> bad sql pushdown, cast changes datatype
> ---------------------------------------
>
>                 Key: OPENJPA-50
>                 URL: http://issues.apache.org/jira/browse/OPENJPA-50
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: query
>         Environment: Windows xp, db2, derby
>            Reporter: George Hongell
>
> 444 - bad sql pushdown, cast changes datatype
>  TEST444; select e from EmpBean e where e.salary > 5 and abs(e.salary) > 12
> 28203  TRACE  [main] openjpa.jdbc.SQL - <t 1094861122, conn 295440796> [0 ms] executing prepstmnt 1712481810 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 WHERE (CAST(t0.salary AS DOUBLE) > CAST(? AS DOUBLE) AND CAST(ABS(t0.salary) AS BIGINT) > CAST(? AS BIGINT)) [params=(long) 5, (long) 12]
> select t0.empid, t0.salary  FROM EmpBean t0 LEFT OUTER JOIN DeptBean t1 ON t0.dept_deptno = t1.deptno WHERE (CAST(t0.salary AS DOUBLE) > ?) AND (CAST(ABS(t0.salary) AS BIGINT) > ?) {long 5, long 12}
> why CAST(ABS(t0.salary) AS BIGINT)?????????
> select t0.empid, t0.salary  FROM EmpBean t0 WHERE (CAST(t0.salary AS DOUBLE) > ?) AND (CAST(ABS(t0.salary) AS BIGINT) > ?) {long 5, long 12}
> s/b
> select t0.empid, t0.salary  FROM EmpBean t0 LEFT OUTER JOIN DeptBean t1 ON t0.dept_deptno = t1.deptno WHERE (CAST(t0.salary AS DOUBLE) > ?) AND (CAST(ABS(t0.salary) AS DOUBLE) > ?) {long 5, long 12}
>   [ FAILED 444- bucket = fvtfull, query = select e from EmpBean e where e.salary > 5 and abs(e.salary) > 12 : 
>    EXPECTED(
>  TEST444; select e from EmpBean e where e.salary > 5 and abs(e.salary) > 12
> EmpBean 
> ~~~~~~~ 
>   [1]   
>   [2]   
>   [3]   
>  TEST444; 3 tuples) 
>    ACTUAL(
>  TEST444; select e from EmpBean e where e.salary > 5 and abs(e.salary) > 12
> EmpBean 
> ~~~~~~~ 
>   [2]   
>   [3]   
>  TEST444; 2 tuples) ]

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