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https://issues.apache.org/jira/browse/DRILL-1916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14335680#comment-14335680
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Chris Westin commented on DRILL-1916:
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Document this after or as part of these changes.
> FragmentState, QueryState not documented; states not well specified
> --------------------------------------------------------------------
>
> Key: DRILL-1916
> URL: https://issues.apache.org/jira/browse/DRILL-1916
> Project: Apache Drill
> Issue Type: Improvement
> Components: Execution - Flow
> Reporter: Daniel Barclay (Drill)
> Assignee: Chris Westin
> Priority: Minor
> Fix For: 1.0.0
>
>
> The FragmentState and QueryState protobuf enumerations are not documented.
> In particular, the meanings of the states is not well specified.
> For example, is not clear whether QueryState.CANCELED or
> FragmentState.CANCELLED (AGH! Be consistent!) means that cancellation has
> been started or means that cancellation has been completed. (If cancellation
> has started but has not completed, should the query or fragment be in the
> CANCELLED state already?)
> (Separately: Might a transitional state be required (at this global/high
> level)?)
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