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https://issues.apache.org/jira/browse/DERBY-2925?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12512631
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Kathey Marsden commented on DERBY-2925:
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Hi Ramin,
The patch looks good except I think it would be good to give import/export its
own SQLState starting with XIE instead of reusing the existing store
FILE_EXISTS message. Also it would be good to have test cases for writing the
lob files.
Kathey
> Prevent export from overwriting existing files
> ----------------------------------------------
>
> Key: DERBY-2925
> URL: https://issues.apache.org/jira/browse/DERBY-2925
> Project: Derby
> Issue Type: Sub-task
> Components: Security, Tools
> Affects Versions: 10.1.2.1, 10.2.2.0, 10.3.1.3, 10.4.0.0
> Reporter: Kathey Marsden
> Assignee: Ramin Moazeni
> Attachments: DERBY-2925v0.diff, DERBY-2925v0.stat
>
>
> Export should not overwrite existing files, but rather insist that the user
> remove them before writing to the file. This will help prevent accidental or
> intentional corruption of the database with export. This may introduce a
> compatibility issue with export but because export is usually an attended
> utility and not typically invoked as part of an application, I think the risk
> is worth the additional security this will provide.
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