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From Øystein Grøvlen (JIRA) <derby-...@db.apache.org>
Subject [jira] Closed: (DERBY-20) LIKE handles strings with control characters incorrectly.
Date Mon, 31 Jul 2006 06:35:16 GMT
     [ http://issues.apache.org/jira/browse/DERBY-20?page=all ]

Øystein Grøvlen closed DERBY-20.
--------------------------------

    Fix Version/s: 10.2.0.0
                   10.1.3.1
       Resolution: Duplicate

This is a duplicate of DERBY-1262 (fixed)

> LIKE handles strings with control characters incorrectly.
> ---------------------------------------------------------
>
>                 Key: DERBY-20
>                 URL: http://issues.apache.org/jira/browse/DERBY-20
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.0.2.0
>            Reporter: Tulika Agrawal
>            Priority: Minor
>             Fix For: 10.2.0.0, 10.1.3.1
>
>         Attachments: server.log
>
>
> 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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