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From "Milosz Tylenda (JIRA)" <j...@apache.org>
Subject [jira] Created: (OPENJPA-933) Database version detection in MySQLDictionary is not reliable
Date Sat, 21 Feb 2009 08:26:01 GMT
Database version detection in MySQLDictionary is not reliable
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                 Key: OPENJPA-933
                 URL: https://issues.apache.org/jira/browse/OPENJPA-933
             Project: OpenJPA
          Issue Type: Bug
          Components: jdbc, sql
    Affects Versions: 1.2.0, 1.3.0, 2.0.0
         Environment: MySQL 5.1.30, Linux
            Reporter: Milosz Tylenda
            Priority: Minor


The database version detection code assumes the version string always looks like "4.1.3-nt"
whereas currently a MySQL on Linux reports itself as "5.1.30". This causes an exception catch
and a fallback to default values (in particular supportsXMLColumn stays false). Also, the
code could take advantage of JDBC 3 methods that return version numbers.

I will provide a patch.


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