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From "Dag H. Wanvik (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-5420) TableLockBasicTest is locale sensitive: failed with Norwegian locale on Windows.
Date Thu, 22 Sep 2011 21:47:26 GMT

    [ https://issues.apache.org/jira/browse/DERBY-5420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13112942#comment-13112942

Dag H. Wanvik commented on DERBY-5420:

It turns out that RealBasicNoPutResultSetStatistics caches the decimal format:
 if (df == null)
    // RESOLVE: This really should use the database locale to 
    // format the number.
    df = new DecimalFormat("###########0.00");

and even though we currently have Locale.English and country US, the cached decimal format
descriptor has the wrong decimal character, i.e. a comma.
Since this is an engine static variable, it will remain in the wrong form until the engine
is rebooted, hence the error. Now, I just need to figure out which test first gives it the
wrong form :) As the comment indicates, this is broken...

> TableLockBasicTest is locale sensitive: failed with Norwegian locale on Windows.
> --------------------------------------------------------------------------------
>                 Key: DERBY-5420
>                 URL: https://issues.apache.org/jira/browse/DERBY-5420
>             Project: Derby
>          Issue Type: Bug
>          Components: Test
>         Environment: Windows Vista SP2, Norwegian locale, JDK 7.
>            Reporter: Dag H. Wanvik
>            Priority: Minor
> The execution plans are asserted in this test and I saw this diff:
> Expected:
>         :
> 	optimizer estimated row count:            6.00
> 	optimizer estimated cost:          100.40<
> Found:
>         :
>         optimizer estimated row count:            6,00
> 	optimizer estimated cost:          100,40<
> the latter using a decimal comma whereas a decimal point is expected.

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