Laurent Goujon created DRILL-5221:
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Summary: cancel message is delayed until queryid or data is
received
Key: DRILL-5221
URL: https://issues.apache.org/jira/browse/DRILL-5221
Project: Apache Drill
Issue Type: Improvement
Components: Client - C++
Affects Versions: 1.9.0
Reporter: Laurent Goujon
When user is calling the cancel method of the C++ client, the client wait for a
message from the server to reply back with a cancellation message.
In case of queries taking a long time to return their first batch, it means
cancellation is taking the same amount of time to be effective, instead of
cancelling right away the query (assuming the query id has already been
received, which is generally the case).
It seems this was foreseen by [~vkorukanti] in his initial patch
(https://github.com/vkorukanti/drill/commit/e0ef6349aac48de5828b6d725c2cf013905d18eb)
but was omitted when I backported it post metadata changes.
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