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https://issues.apache.org/jira/browse/DERBY-3301?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Nielsen updated DERBY-3301:
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Attachment: derby-3301-test-master-3.stat
derby-3301-test-master-3.diff
Army> I think it might be nice to update the comments preceding the affected
query plans
Army> in derby-3301-test-master-2.diff so that they agree with the new results
Attaching derby-3301-test-master-3.diff with updates to the two comments
preceeding the changed queryplans.
The updated test pass.
Craig, can you confirm the current trunk works for you, and if so can we close
the issue once the last comment patch has been comitted?
> Incorrect result from query with nested EXIST
> ---------------------------------------------
>
> Key: DERBY-3301
> URL: https://issues.apache.org/jira/browse/DERBY-3301
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.1.3.1, 10.2.1.6, 10.3.2.1
> Reporter: Craig Russell
> Assignee: Thomas Nielsen
> Attachments: d3301-queryplan.log, derby-3301-1.diff,
> derby-3301-1.stat, derby-3301-2.diff, derby-3301-3.diff, derby-3301-3b.diff,
> derby-3301-4.diff, derby-3301-4b.diff, derby-3301-4b.stat,
> derby-3301-4c.diff, derby-3301-5.diff, derby-3301-6.diff, derby-3301-7.diff,
> derby-3301-8.diff, derby-3301-extra.sql, derby-3301-test-1.diff,
> derby-3301-test-1.stat, derby-3301-test-2.diff, derby-3301-test-3.diff,
> derby-3301-test-3.stat, derby-3301-test-master-2.diff,
> derby-3301-test-master-3.diff, derby-3301-test-master-3.stat,
> derby-3301-test-master.diff, derby-3301-test-master.stat, derby-3301.sql
>
>
> Derby returns unexpected results from a query with embedded EXIST clauses.
> The query SQL is generated by the JPOX jdo implementation and is supposed to
> return all of the PERSONS and PROJECTS where there is an entry in the join
> table. This query works as expected when using MySQL.
> Here's the query:
> SELECT UNBOUND_E.PERSONID, UNBOUND_P.PROJID
> FROM applicationidentity0.DEPARTMENTS THIS,
> applicationidentity0.PERSONS UNBOUND_E,
> applicationidentity0.PROJECTS UNBOUND_P
> WHERE EXISTS (
> SELECT 1 FROM applicationidentity0.PERSONS THIS_EMPLOYEES_E
> WHERE EXISTS (
> SELECT 1 FROM applicationidentity0.PROJECT_MEMBER
> THIS_EMPLOYEES_E_PROJECTS_P
> WHERE THIS_EMPLOYEES_E_PROJECTS_P."MEMBER" =
> THIS_EMPLOYEES_E.PERSONID
> AND THIS_EMPLOYEES_E_PROJECTS_P."MEMBER" = THIS_EMPLOYEES_E.PERSONID
> AND THIS_EMPLOYEES_E.DEPARTMENT = THIS.ID
> AND THIS_EMPLOYEES_E.DEPARTMENT = THIS.ID
> AND UNBOUND_P.PROJID = THIS_EMPLOYEES_E_PROJECTS_P.PROJID
> AND UNBOUND_E.PERSONID = THIS_EMPLOYEES_E.PERSONID)
> );
> PERSONID |PROJID
> -----------------------
> 3 |1
> 5 |3
> 4 |3
> 2 |1
> 1 |1
> 5 rows selected
> I'm expecting 7 rows to be returned here, one row for each row in the join
> table.
> Here's the schema:
> CREATE TABLE departments (
> ID INTEGER NOT NULL,
> NAME VARCHAR(32) NOT NULL,
> EMP_OF_THE_MONTH INTEGER,
> COMPANYID INTEGER,
> DISCRIMINATOR VARCHAR(255),
> CONSTRAINT DEPTS_COMP_FK FOREIGN KEY (COMPANYID) REFERENCES companies,
> CONSTRAINT DEPTS_PK PRIMARY KEY (ID)
> );
> CREATE TABLE persons (
> PERSONID INTEGER NOT NULL,
> FIRSTNAME VARCHAR(32) NOT NULL,
> LASTNAME VARCHAR(32) NOT NULL,
> MIDDLENAME VARCHAR(32),
> BIRTHDATE TIMESTAMP NOT NULL,
> ADDRID INTEGER,
> STREET VARCHAR(64),
> CITY VARCHAR(64),
> STATE CHAR(2),
> ZIPCODE CHAR(5),
> COUNTRY VARCHAR(64),
> HIREDATE TIMESTAMP,
> WEEKLYHOURS REAL,
> DEPARTMENT INTEGER,
> FUNDINGDEPT INTEGER,
> MANAGER INTEGER,
> MENTOR INTEGER,
> HRADVISOR INTEGER,
> SALARY REAL,
> WAGE REAL,
> DISCRIMINATOR varchar(255) NOT NULL,
> CONSTRAINT PERS_DEPT_FK FOREIGN KEY (DEPARTMENT) REFERENCES departments,
> CONSTRAINT PERS_FUNDDEPT_FK FOREIGN KEY (FUNDINGDEPT) REFERENCES
> departments,
> CONSTRAINT PERS_MANAGER_FK FOREIGN KEY (MANAGER) REFERENCES persons,
> CONSTRAINT PERS_MENTOR_FK FOREIGN KEY (MENTOR) REFERENCES persons,
> CONSTRAINT PERS_HRADVISOR_FK FOREIGN KEY (HRADVISOR) REFERENCES persons,
> CONSTRAINT EMPS_PK PRIMARY KEY (PERSONID)
> );
> CREATE TABLE projects (
> PROJID INTEGER NOT NULL,
> NAME VARCHAR(32) NOT NULL,
> BUDGET DECIMAL(11,2) NOT NULL,
> DISCRIMINATOR VARCHAR(255),
> CONSTRAINT PROJS_PK PRIMARY KEY (PROJID)
> );
> CREATE TABLE project_member (
> PROJID INTEGER REFERENCES projects NOT NULL,
> MEMBER INTEGER REFERENCES persons NOT NULL
> );
> ij> connect
> 'jdbc:derby:/Users/clr/apache/jdo/trunk/tck2/target/database/derby/jdotckdb';
> ij> set schema applicationidentity0;
> 0 rows inserted/updated/deleted
> ij> select * from persons;
> PERSONID |FIRSTNAME |LASTNAME
> |MIDDLENAME |BIRTHDATE |ADDRID
> |STREET |CITY
> |STA&|ZIPC&|COUNTRY
> |HIREDATE
> |WEEKLYHOURS |DEPARTMENT |FUNDINGDEPT|MANAGER |MENTOR |HRADVISOR
> |SALARY |WAGE |DISCRIMINATOR
>
>
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> 1 |emp1First |emp1Last
> |emp1Middle |1970-06-09 21:00:00.0 |NULL |NULL
> |NULL
> |NULL|NULL |NULL
> |1998-12-31 21:00:00.0 |40.0
> |NULL |NULL |NULL |NULL |NULL |20000.0
> |NULL |org.apache.jdo.tck.pc.company.FullTimeEmployee
>
> 2 |emp2First |emp2Last
> |emp2Middle |1975-12-21 21:00:00.0 |NULL |NULL
> |NULL
> |NULL|NULL |NULL
> |2003-06-30 21:00:00.0 |40.0
> |NULL |NULL |NULL |NULL |NULL |10000.0
> |NULL |org.apache.jdo.tck.pc.company.FullTimeEmployee
>
> 3 |emp3First |emp3Last
> |emp3Middle |1972-09-04 21:00:00.0 |NULL |NULL
> |NULL
> |NULL|NULL |NULL
> |2002-08-14 21:00:00.0 |19.0
> |NULL |NULL |NULL |NULL |NULL |NULL
> |15.0 |org.apache.jdo.tck.pc.company.PartTimeEmployee
>
> 4 |emp4First |emp4Last
> |emp4Middle |1973-09-05 21:00:00.0 |NULL |NULL
> |NULL
> |NULL|NULL |NULL
> |2001-04-14 21:00:00.0 |0.0
> |NULL |NULL |NULL |NULL |NULL |NULL
> |13.0 |org.apache.jdo.tck.pc.company.PartTimeEmployee
>
> 5 |emp5First |emp5Last
> |emp5Middle |1962-07-04 21:00:00.0 |NULL |NULL
> |NULL
> |NULL|NULL |NULL
> |1998-08-14 21:00:00.0 |0.0
> |NULL |NULL |NULL |NULL |NULL |45000.0
> |NULL |org.apache.jdo.tck.pc.company.FullTimeEmployee
>
> 5 rows selected
> ij> select * from projects;
> PROJID |NAME |BUDGET |DISCRIMINATOR
>
>
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> 1 |orange |2500000.99
> |org.apache.jdo.tck.pc.company.Project
>
> 2 |blue |50000.00
> |org.apache.jdo.tck.pc.company.Project
>
> 3 |green |2000.99
> |org.apache.jdo.tck.pc.company.Project
>
> 3 rows selected
> ij> select * from project_member;
> PROJID |MEMBER
> -----------------------
> 2 |3
> 1 |3
> 2 |2
> 3 |5
> 3 |4
> 1 |2
> 1 |1
> 7 rows selected
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