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https://issues.apache.org/jira/browse/DERBY-6025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13921025#comment-13921025
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Mamta A. Satoor commented on DERBY-6025:
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Thanks for reviewing the patch Knut. It is in trunk. It is a good candidate for
backporting I think. I will work on backporting it.
> Wrong results with IN lists and indexes in territory based collation
> --------------------------------------------------------------------
>
> Key: DERBY-6025
> URL: https://issues.apache.org/jira/browse/DERBY-6025
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.5.1.1, 10.5.2.0, 10.5.3.0, 10.6.1.0, 10.6.2.1,
> 10.7.1.1, 10.8.1.2, 10.8.2.2, 10.8.3.0, 10.9.1.0, 10.10.1.1
> Reporter: Knut Anders Hatlen
> Assignee: Mamta A. Satoor
> Labels: derby_triage10_11
> Fix For: 10.11.0.0
>
> Attachments: DERBY6025_diff_patch1.txt, DERBY6025_diff_patch2.txt
>
>
> The sequence below shows that a query returns 1 row when there is no index on
> the table, and it returns 0 rows when an index is created. It should return 1
> row regardless of the index's presence.
> ij version 10.9
> ij> connect
> 'jdbc:derby:memory:colldb;create=true;territory=no;collation=TERRITORY_BASED';
> ij> create table t(x varchar(40));
> 0 rows inserted/updated/deleted
> ij> insert into t values 'Stranda Idrottslag', 'Aalesunds Fotballklubb';
> 2 rows inserted/updated/deleted
> ij> select * from t where x in ('Aalesunds Fotballklubb', cast('xyz' as
> char(3)));
> X
> ----------------------------------------
> Aalesunds Fotballklubb
> 1 row selected
> ij> create index i on t(x);
> 0 rows inserted/updated/deleted
> ij> select * from t where x in ('Aalesunds Fotballklubb', cast('xyz' as
> char(3)));
> X
> ----------------------------------------
> 0 rows selected
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