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From "Rick Hillegas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-6000) Implement support for JDBC 4.2
Date Thu, 07 Feb 2013 13:37:13 GMT

    [ https://issues.apache.org/jira/browse/DERBY-6000?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13573481#comment-13573481

Rick Hillegas commented on DERBY-6000:

Thanks for looking at that patch, Knut. I was working from the specdiffs, which give the method
name as getMaxLogicalLOBSize(). I've tripped across some other cases where names in the specdiffs
don't agree with what's in the actual Open JDK 8 classes. I'll correct this one.

I'll ask Lance if he has any advice about what this method should return on Derby. Seems to
me there are at least 2 theories about this:

o 4294967294 - The maximum number of bytes which an in-memory CLOB can consume. This is misleading
for people interested in the maximum number of bytes which can be stored in the database.

o 2147483647 - The maximum number of bytes in a LOB stored in the database. This is misleading
for people who are interested in the memory representation.

> Implement support for JDBC 4.2
> ------------------------------
>                 Key: DERBY-6000
>                 URL: https://issues.apache.org/jira/browse/DERBY-6000
>             Project: Derby
>          Issue Type: Improvement
>          Components: JDBC
>            Reporter: Rick Hillegas
>         Attachments: derby-6000-01-aa-executeLargeUpdateEmbedded.diff, derby-6000-02-ad-executeLargeUpdateClient.diff,
derby-6000-03-aa-executeLargeBatch.diff, derby-6000-04-aa-setLargeMaxRows.diff, derby-6000-05-aa-executeLargeUpdatePS.diff,
derby-6000-06-aa-DatabaseMetaData.diff, derby-6000-07-ab-batchUpdateException.diff, derby-6000-08-aa-batchUpdateExceptionConstructor.diff,
> Open JDK 8 will include maintenance rev 4.2 of JDBC. The public discussion of JDBC 4.2
will take place here: http://openjdk.java.net/jeps/170. We will want to build Derby support
for JDBC 4.2 after a public spec appears. At this time, it is unclear what Derby release will
carry this support.

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