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https://issues.apache.org/jira/browse/KNOX-2023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16947249#comment-16947249
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ASF subversion and git services commented on KNOX-2023:
-------------------------------------------------------
Commit b5c6486db72030d269f75974bd282b3eec55549d in knox's branch
refs/heads/master from Sandor Molnar
[ https://gitbox.apache.org/repos/asf?p=knox.git;h=b5c6486 ]
KNOX-2023 - Recording KnoxShellTable builder/filter chain and providing
rollback/replay capabilities using the call history as well as allowing
end-users to export JSON without data (in this case only the call history will
be serialized) (#162)
* KNOX-2023 - Recording KnoxShellTable builder/filter chain and providing
rollback/replay capabilities using the call history as well as allowing
end-users to export JSON without data (in this case only the call history will
be serialized)
* KNOX-2023 - Minor change on separating the BufferedeReader form
InputStreamReader within the try block
* KNOX-2023 - Enhanced type check
> KnoxShellTable - Record the Creation Sequence of Tables
> -------------------------------------------------------
>
> Key: KNOX-2023
> URL: https://issues.apache.org/jira/browse/KNOX-2023
> Project: Apache Knox
> Issue Type: Improvement
> Components: KnoxShell
> Reporter: Larry McCay
> Assignee: Sandor Molnar
> Priority: Major
> Fix For: 1.4.0
>
> Time Spent: 2h
> Remaining Estimate: 0h
>
> Each KnoxShellTable instance goes through a number of builders, filters,
> sorts, etc in order to get to their final state.
> Currently, those builder classes just go out of scope as they complete and
> return the resulting table.
> This JIRA represents the thought of recording them in an ArrayList within the
> table so that we could do a number of interesting things:
> * persist JSON representation that doesn't require the actual data
> * materialize tables from that persisted state by replaying the builders in
> order
> * possibly undo or rollback to a previous state
> * possibly providing interesting provenance capabilities with confidence
> factors based on sources
> Interesting challenges here will be when authentication is required for a SQL
> query in the JDBC builder or in accessing data accessed through Knox gateway
> instances.
>
>
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