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From "Kathey Marsden (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-2865) With TERRITORY_BASED collation LENGTH function does not return correct number of characters for Norwegian 'aa'
Date Fri, 22 Jun 2007 20:18:26 GMT

    [ https://issues.apache.org/jira/browse/DERBY-2865?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12507496
] 

Kathey Marsden commented on DERBY-2865:
---------------------------------------

So our doc says
_ matches one character in the corresponding position in the character expression.

http://db.apache.org/derby/docs/dev/ref/rrefsqlj23075.html#rrefsqlj23075

Do we need to change the doc to say it matches a single collation element?


> With TERRITORY_BASED collation LENGTH function does not return correct number of characters
for Norwegian 'aa'
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-2865
>                 URL: https://issues.apache.org/jira/browse/DERBY-2865
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.3.0.0
>            Reporter: Kathey Marsden
>            Priority: Minor
>
> For territory=no_NO and collation=TERRITORY_BASED, 'aa' should be a single character
but the length function reports it as two characters.
> ij> connect 'jdbc:derby:nordb;create=true;territory=no_NO;collation=TERRITORY_BASED';
> ij(CONNECTION1)> create table t (vc varchar(30));
> 0 rows inserted/updated/deleted
> ij(CONNECTION1)> insert into t values('aarg');
> 1 row inserted/updated/deleted
> ij(CONNECTION1)> select vc, length(vc) from t2;
> ERROR 42X05: Table/View 'T2' does not exist.
> ij(CONNECTION1)> select vc, length(vc) from t;
> VC                            |2
> ------------------------------------------
> aarg                          |4
> 1 row selected
> SUBSTR and CHAR functions have the same issue
> ij> values (SUBSTR('aarg',1,3));
> 1
> ----
> aar
> ij> values (CHAR('aarg',3));
> 1
> ----
> aar

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