Tim Armstrong created IMPALA-7420:
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Summary: Alternative cancellation messages with "internal"
cancellation
Key: IMPALA-7420
URL: https://issues.apache.org/jira/browse/IMPALA-7420
Project: IMPALA
Issue Type: Improvement
Components: Backend
Affects Versions: Impala 3.1.0
Reporter: Tim Armstrong
Assignee: Tim Armstrong
All CANCELLED statuses now have the same error message regardless of the source
of the cancellation. There are many places in the code where we propagate
"CANCELLED" statuses around the place internally, e.g. within scans, for
reasons unrelated to user-initiated cancellation. Those should not leak
IMPALA-7418 was much harder to debug than necessary because it wasn't clear
where the CANCELLED status came from.
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