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From "A B (JIRA)" <j...@apache.org>
Subject [jira] Updated: (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 Fri, 01 Feb 2008 16:31:09 GMT

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

A B updated DERBY-3279:
-----------------------

    Derby Info: [Regression]  (was: [Regression, Patch Available])

Committed d3279_ix2brnode_v1.patch to trunk with svn # 617548:

  URL: http://svn.apache.org/viewvc?rev=617548&view=rev

Ajay, if you can do more testing of your queries with this change applied, that would be helpful--and
thanks for your patience in the meantime.  Otherwise, assuming all goes well with tinderbox
runs for the next few days, I'll plan to port the changes to 10.3 sometime late next week...

> 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: 10.4.0.0
>
>         Attachments: cheese2.sql, 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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