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https://issues.apache.org/jira/browse/DERBY-2496?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12493087
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Øystein Grøvlen commented on DERBY-2496:
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Forgot to state that blob-followup.diff, changes the following files:
M java/client/org/apache/derby/client/net/NetCursor.java
M java/client/org/apache/derby/client/am/BlobLocatorOutputStream.java
M java/client/org/apache/derby/client/am/Blob.java
M java/client/org/apache/derby/client/am/BlobLocatorInputStream.java
M java/client/org/apache/derby/client/am/Lob.java
and that I am currently running the test suites and will report back when they
are finished.
> Implement Blob support for Locators
> -----------------------------------
>
> Key: DERBY-2496
> URL: https://issues.apache.org/jira/browse/DERBY-2496
> Project: Derby
> Issue Type: Sub-task
> Reporter: Øystein Grøvlen
> Assigned To: Øystein Grøvlen
> Attachments: blob-followup.diff, blob.diff, blob_v2.diff
>
>
> DERBY-2347 adds the possibility to send locators between client and server
> instead of LOB values. This has not been activated yet, since the client
> implementation does not currently support locators. This report is for
> supporting the locators for Blob objects. Another JIRA issue will be made
> for Clob.
> This work will be made in several steps:
> 1. Blob methods and ResultSet.getXXX methods
> 2. PreparedStatement and CallableStatement methods
> 3. ResultSet.updateXXX methods
> 4. Connection.createBlob()
> There is dependencies between these steps and it might be that the Locator
> implementation cannot be exposed until everything has been done. At least,
> doing just step 1, gives testing errors because tests use Blobs fetched from
> DB as parameters to prepared statements. I would guess tests for updatable
> result sets, needs the combination of 1. and 3.
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