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From Shreyas Kaushik <Shreyas.Kaus...@Sun.COM>
Subject Re: [jira] Commented: (DERBY-20) LIKE handles strings with control characters incorrectly.
Date Tue, 08 Feb 2005 05:46:00 GMT
Any updates here?

~ Shreyas

Shreyas Kaushik (JIRA) wrote:

>     [ http://issues.apache.org/jira/browse/DERBY-20?page=comments#action_58547 ]
>     
>Shreyas Kaushik commented on DERBY-20:
>--------------------------------------
>
>A more clear comment here would be useful.
>
>Clear meaning, what is the use case that you are talking about here? A small example of
the behaviour with expcted output vs. current output would help.
>
>  
>
>>LIKE handles strings with control characters incorrectly.
>>---------------------------------------------------------
>>
>>         Key: DERBY-20
>>         URL: http://issues.apache.org/jira/browse/DERBY-20
>>     Project: Derby
>>        Type: Bug
>>  Components: SQL
>>    Versions: 10.0.2.0
>>    Reporter: Tulika Agrawal
>>    Priority: Minor
>>    
>>
>
>  
>
>>Reporting for Daniel John Debrunner.
>>If a string contains control characters in the regions matched 
>>by wild card characters then in some situations a LIKE will 
>>return false instead of true and the row will not be returned.
>>Caused by the dynamic like optimization using >= with a prefix 
>>which is is equivalent to >= on the prefeix appended with 
>>blanks and not null (\u0000) characters.
>>    
>>
>
>  
>

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