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https://issues.apache.org/jira/browse/DRILL-1305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14123907#comment-14123907
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Xiao Meng commented on DRILL-1305:
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Review Board Link https://reviews.apache.org/r/25409/
> C++ Client. Consume QueryState message from the Drillbit
> --------------------------------------------------------
>
> Key: DRILL-1305
> URL: https://issues.apache.org/jira/browse/DRILL-1305
> Project: Apache Drill
> Issue Type: Bug
> Components: Client - C++
> Affects Versions: 0.4.0
> Reporter: Xiao Meng
> Assignee: Xiao Meng
> Fix For: 0.6.0
>
>
> Drillbit may send a query state message with empty record batch. For
> example, Drillbit will send a COMPLETED message to the client after a query
> is completed. The C++ client ignored the message for now. We should consume
> the message and send an ack message back to the server.
> The query state could be:
> {code}
> // protocol/src/main/protobuf/UserBitShared.proto
> enum QueryState {
> PENDING = 0;
> RUNNING = 1;
> COMPLETED = 2;
> CANCELED = 3;
> FAILED = 4;
> UNKNOWN_QUERY = 5;
> }
> {code}
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