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Posted to derby-dev@db.apache.org by "Mamta A. Satoor (JIRA)" <ji...@apache.org> on 2007/10/03 00:10:51 UTC
[jira] Commented: (DERBY-3080) With TERRITORY_BASED collation, when
multiple characters map to a single collation element '_' matches a single
collation element rather than a single character
[ https://issues.apache.org/jira/browse/DERBY-3080?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12531928 ]
Mamta A. Satoor commented on DERBY-3080:
----------------------------------------
Kathey, do you think there is still an issue here or is it ok to close it as not a bug?
> With TERRITORY_BASED collation, when multiple characters map to a single collation element '_' matches a single collation element rather than a single character
> -----------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-3080
> URL: https://issues.apache.org/jira/browse/DERBY-3080
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.3.1.4, 10.4.0.0
> Reporter: Kathey Marsden
>
> '_' matches a single collation element rather than a single character if multiple characters have a single collation element. Below is an example with norwegian aa This occurs also with the patch for DERBY-2967 which addresses the case of matching of a single character having more than one collation element.
> ij> connect 'jdbc:derby:wombat;create=true;territory=no_NO;collation=TERRITORY_BASED';
> ij> drop table t;
> 0 rows inserted/updated/deleted
> ij> create table t (vc varchar(30));
> 0 rows inserted/updated/deleted
> ij> insert into t values('middleaavalue');
> 1 row inserted/updated/deleted
> -- The query below should match
> ij> select * from t where vc like 'middle__value';
> VC
> ------------------------------
> 0 rows selected
> -- The query below should not match.
> ij> select * from t where vc like 'middle_value';
> VC
> ------------------------------
> middleaavalue
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