[jira] Resolved: (DERBY-4706) Remove stale and potentially unused code Request.writeEncryptedScalarStream

["Kristian Waagan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DERBY-4706?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kristian Waagan resolved DERBY-4706.
------------------------------------

    Fix Version/s: 10.7.0.0
       Resolution: Fixed

I do plan to back-port this issue after verification, because the client-side only fix for DERBY-1595 depends on it (just for a clean merge, not functionally).

> Remove stale and potentially unused code Request.writeEncryptedScalarStream
> ---------------------------------------------------------------------------
>
>                 Key: DERBY-4706
>                 URL: https://issues.apache.org/jira/browse/DERBY-4706
>             Project: Derby
>          Issue Type: Task
>          Components: Network Client
>    Affects Versions: 10.7.0.0
>            Reporter: Kristian Waagan
>            Assignee: Kristian Waagan
>            Priority: Trivial
>             Fix For: 10.7.0.0
>
>         Attachments: derby-4706-1a-remove_writeEncryptedScalarStream_and_friends.diff
>
>
> The code in net.Request.writeEncryptedScalarStream() is in a bad state, for instance:
>  - it materializes the stream
>  - it doesn't support streams longer than Integer.MAX_VALUE
>    (this is fine for BLOB since Derby limits the LOB size to 2G-1, but for CLOBs the data stream may be longer since the length is expressed in characters)
>  - in some error situations it causes a disconnect
> Since the security mechanisms required to run this code (SECMEC_EUSRIDDTA and  SECMEC_EUSRPWDDTA) are apparently supported in the client but not in the network server, deleting it seems like a good option considering its state.

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