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From "Rick Hillegas (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-3061) Wrong results from query with two conjuncts
Date Sat, 03 Nov 2007 05:42:56 GMT

    [ https://issues.apache.org/jira/browse/DERBY-3061?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12539800
] 

Rick Hillegas commented on DERBY-3061:
--------------------------------------

Hi Tim,

I would recommend posting your question to derby-dev. Real user interest 
in a bug-fix release may prompt someone to volunteer to produce it. In 
the past, bug-fix releases have turned up fairly soon after the IBM team 
localizes new error messages introduced by the feature release. It takes 
IBM about 2 months to do that work.

Hope this helps,
-Rick




> Wrong results from query with two conjuncts
> -------------------------------------------
>
>                 Key: DERBY-3061
>                 URL: https://issues.apache.org/jira/browse/DERBY-3061
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.3.1.4
>            Reporter: Rick Hillegas
>            Assignee: A B
>            Priority: Critical
>             Fix For: 10.3.1.5, 10.4.0.0
>
>         Attachments: d3061_v1.patch, d3061_v1.stat, d3061_v2.patch
>
>
> Tim Dudgeon, on the user list, reports that the following query returns no results in
10.3.1.4 but works correctly in 10.2. I have verified that the query returns no results in
the mainline as well. If you eliminate either of the the conjuncts, then the query returns
the correct results:
> SELECT MYTABLE.MY_ID
>  FROM MYTABLE
>  WHERE MYTABLE.MY_ID < 100 AND MYTABLE.MY_ID IN (
> 2,15,19,20,21,48,49
> )
> Here is a more complete script which demonstrates the problem:
> drop table mytable;
> create table mytable ( id int primary key );
> insert into mytable ( id )
> values
> ( 0 ), ( 1 ), ( 2 ), ( 3 ), ( 4 ), ( 5 ), ( 6 ), ( 7 ), ( 8 ), ( 9 );
> insert into mytable select id + 10 from mytable;
> insert into mytable select id + 20 from mytable;
> insert into mytable select id + 40 from mytable;
> insert into mytable select id + 100 from mytable;
> select mytable.id
> from mytable
> where mytable.id < 100;
> select mytable.id
> from mytable
> where mytable.id in ( 2, 15, 19, 20, 21, 48, 49 );
> select mytable.id
> from mytable
> where mytable.id < 100
> and mytable.id in ( 2, 15, 19, 20, 21, 48, 49 );
>  

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