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https://issues.apache.org/jira/browse/DERBY-2540?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12489799
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Dag H. Wanvik commented on DERBY-2540:
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Thanks, Øystein!
I ran the regression tests over again cleanly with JDK1.6.
Committed at svn 530070.
> Restructure code for Blob/Clob length in client to prepare for locator
> implementation
> -------------------------------------------------------------------------------------
>
> Key: DERBY-2540
> URL: https://issues.apache.org/jira/browse/DERBY-2540
> Project: Derby
> Issue Type: Sub-task
> Components: Network Client
> Reporter: Øystein Grøvlen
> Assigned To: Øystein Grøvlen
> Fix For: 10.3.0.0
>
> Attachments: derby-2540.diff, derby-2540.stat, derby-2540_2.diff
>
>
> In order to prepare for the locator-based implementation, I want to
> restructure the code for getting the length of LOBs.
> Currently, the LOB class has a protected field sqlLength_ that will contain
> the length of the LOB, if known. Currently, it is always known as long as
> the LOB has been materialized. However, when locators are introduced, the
> length may have to be fetched from the server the first time it is needed.
> With the current implementation, where sqlLength_ is accessed directly by
> many classes in the package, it will become very difficult to keep track of
> whether one needs to fetch the length from the server or not.
> I will change the implementation to make Lob.sqlLength_ private and add
> access methods to get and set its value. (A good thing in itself IMHO). If
> the length is unknown, the LOB will be materialized to get the length.
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