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From "A B (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (DERBY-3279) Derby 10.3.X ignores ORDER BY DESC when target column has an index and is used in an OR clause or an IN list.
Date Thu, 07 Feb 2008 19:05:08 GMT

     [ https://issues.apache.org/jira/browse/DERBY-3279?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

A B resolved DERBY-3279.
------------------------

       Resolution: Fixed
    Fix Version/s: 10.3.2.2

Thanks for the feedback, Ajay.  I committed the changes to 10.3 with svn # 619568:

  URL: http://svn.apache.org/viewvc?rev=619568&view=rev

> I would say that we can put this bug to bed.

Since it's in 10.3 now, I'm marking the issue as resolved.  If all is okay, can you go ahead
and close it when you have the chance?  Thanks again for your patience on this one...

> Derby 10.3.X ignores ORDER BY DESC when target column has an index and is used in an
OR clause or an IN list.
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-3279
>                 URL: https://issues.apache.org/jira/browse/DERBY-3279
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.3.1.4, 10.3.2.1
>         Environment: Rational Application Developer 7.0.0.2 (Eclipse 3.2.2), J2RE 1.5.0
IBM J9 2.3 Windows XP
>            Reporter: Ajay Bhala
>            Assignee: A B
>             Fix For: 10.3.2.2, 10.4.0.0
>
>         Attachments: cheese2.sql, d3279_10_3_merge.patch, d3279_ix2brnode_v1.patch, d3279_v1.patch
>
>
> Running the following produces the error seen in Derby 10.3.X but not in 10.2.X nor in
10.1.X.
> Don't know if this related to DERBY-3231.
> First query is incorrectly sorted whereas the second one is okay when there is an index
on the table. 
> If the table is not indexed, the sort works correctly in DESC order.
> ------
> create table CHEESE (
>   CHEESE_CODE       VARCHAR(5),
>   CHEESE_NAME       VARCHAR(20),
>   CHEESE_COST       DECIMAL(7,4)
> );
> create index cheese_index on CHEESE (CHEESE_CODE DESC, CHEESE_NAME DESC, CHEESE_COST
DESC);
> INSERT INTO CHEESE (
>   CHEESE_CODE,
>   CHEESE_NAME,
>   CHEESE_COST)
> VALUES ('00000', 'GOUDA', 001.1234),
>        ('00000', 'EDAM', 002.1111),
>        ('54321', 'EDAM', 008.5646),
>        ('12345', 'GORGONZOLA', 888.2309),
>        ('AAAAA', 'EDAM', 999.8888),
>        ('54321', 'MUENSTER', 077.9545);
> SELECT * FROM CHEESE 
> WHERE (CHEESE_CODE='00000' OR CHEESE_CODE='54321') AND CHEESE_NAME='EDAM'
> ORDER BY CHEESE_CODE DESC, CHEESE_NAME DESC, CHEESE_COST DESC;
> SELECT * FROM CHEESE 
> WHERE (CHEESE_CODE='AAAAA' OR CHEESE_CODE='54321') AND CHEESE_NAME='EDAM'
> ORDER BY CHEESE_CODE DESC, CHEESE_NAME DESC, CHEESE_COST DESC;

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