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Posted to dev@openjpa.apache.org by "Milosz Tylenda (JIRA)" <ji...@apache.org> on 2009/02/21 09:26:01 UTC

[jira] Created: (OPENJPA-933) Database version detection in MySQLDictionary is not reliable

Database version detection in MySQLDictionary is not reliable
-------------------------------------------------------------

                 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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[jira] Resolved: (OPENJPA-933) Database version detection in MySQLDictionary is not reliable

Posted by "Milosz Tylenda (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/OPENJPA-933?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Milosz Tylenda resolved OPENJPA-933.
------------------------------------

       Resolution: Fixed
    Fix Version/s: 2.0.0
                   1.3.0

A patch applied to trunk and 1.3.x branch.

Changes:
- Corrected version parsing for non-JDBC 3 drivers
- Version numbers are got from JDBC 3 methods if available
- Removed driver version parsing, now uses metaData.getDriverMajorVersion() which is a pre-JDBC 3 method


> Database version detection in MySQLDictionary is not reliable
> -------------------------------------------------------------
>
>                 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
>            Assignee: Milosz Tylenda
>            Priority: Minor
>             Fix For: 1.3.0, 2.0.0
>
>
> 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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[jira] Assigned: (OPENJPA-933) Database version detection in MySQLDictionary is not reliable

Posted by "Milosz Tylenda (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/OPENJPA-933?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Milosz Tylenda reassigned OPENJPA-933:
--------------------------------------

    Assignee: Milosz Tylenda

> Database version detection in MySQLDictionary is not reliable
> -------------------------------------------------------------
>
>                 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
>            Assignee: 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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You can reply to this email to add a comment to the issue online.