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From "Rick Hillegas (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-5525) Precision for UPPER function is wrong if the returned value is longer than the literal argument
Date Fri, 09 Dec 2011 17:29:40 GMT

    [ https://issues.apache.org/jira/browse/DERBY-5525?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13166336#comment-13166336
] 

Rick Hillegas commented on DERBY-5525:
--------------------------------------

So what is being proposed is a behavior change which will need a release note. Users will
need to type

  values cast(upper('Straße') as varchar(7)); 

rather than

  values upper('Straße')

Thanks,
-Rick
                
> Precision for UPPER function is wrong if the returned value is longer than the literal
argument
> -----------------------------------------------------------------------------------------------
>
>                 Key: DERBY-5525
>                 URL: https://issues.apache.org/jira/browse/DERBY-5525
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.8.2.2
>            Reporter: Knut Anders Hatlen
>
> Seen in ij in a database with territory based collation and German locale:
> ==vv= COPIED FROM IJ CONSOLE =vv==
> ij> VALUES UCASE('Straßenbahn');
> 1
> -----------
> STRASSENBA&
> 1 Zeile ausgewählt
> ==================================
> And with JDBC calls:
>     Connection c = DriverManager.getConnection(
>             "jdbc:derby:memory:db;create=true;territory=de_DE;" +
>             "collation=TERRITORY_BASED");
>     Statement s = c.createStatement();
>     ResultSet rs = s.executeQuery("values upper('Straße')");
>     System.out.println(rs.getMetaData().getPrecision(1));
>     rs.next();
>     System.out.println(rs.getString(1));
> This prints
> 6
> STRASSE
> The precision is wrong, since the returned value is 7 characters long.

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