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From "Rick Hillegas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-6324) DatabaseMetaData.getJDBCMinorVersion() should return 2 now that we've implemented JDBC 4.2
Date Fri, 30 Aug 2013 13:26:51 GMT

    [ https://issues.apache.org/jira/browse/DERBY-6324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13754678#comment-13754678

Rick Hillegas commented on DERBY-6324:

Thanks for picking up this issue, Myrna. Getting this information out of JVMInfo sounds like
a good idea to me. The logic which compares strings in the DatabaseMetaData implementations
might be a little brittle. I would suggest adding a couple more static methods to JVMInfo.
These methods could be called by the DatabaseMetaData implementations:

public static int jdbcMajorVersion() { return 4; }

public static int jdbcMinorVersion()
    switch ( JDK_ID )
    case J2SE_16: return 0;
    case J2SE_17: return 1;
    case J2SE_18:
        return 2;

For extra credit, these methods could be used to construct the version strings in JVMInfo.derbyVMLevel().
That way the JDBC level would still be maintained in only one place.


> DatabaseMetaData.getJDBCMinorVersion() should return 2 now that we've implemented JDBC
> ------------------------------------------------------------------------------------------
>                 Key: DERBY-6324
>                 URL: https://issues.apache.org/jira/browse/DERBY-6324
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC
>    Affects Versions:
>            Reporter: Rick Hillegas
>            Assignee: Myrna van Lunteren
>         Attachments: DERBY-6324.diff
> Now that the work on DERBY-6000 is done, DatabaseMetaData.getJDBCMinorVersion() should
return 2 rather than 1. The following script shows that we're still returning 1:
> connect 'jdbc:derby:memory:db;create=true';
> call syscs_util.syscs_register_tool( 'databaseMetaData', true );
> values getJDBCMajorVersion();
> values getJDBCMinorVersion();
> call syscs_util.syscs_register_tool( 'databaseMetaData', false );

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