Internal Jenkins has submitted this change and it was merged.

Change subject: IMPALA-3337: fix "Cancelled" warnings when LIMIT clause is 
specified
......................................................................


IMPALA-3337: fix "Cancelled" warnings when LIMIT clause is specified

The cancelled status is propagated in scanner threads to cause them to
shut down once the limit has been satisified, but depending on the code
path and when abort_on_error=false, this internal status would sometimes
incorrectly end up in the error log. Fix this by factoring out the
abort_on_error handling code so that it's handled more consistently
across scanners. Parquet, RC, and Avro all suffered from this bug.

Testing: exhastive

Change-Id: I4a91a22608e346ca21a23ea66c855eae54bbced6
Reviewed-on: http://gerrit.cloudera.org:8080/2964
Reviewed-by: Tim Armstrong <[email protected]>
Reviewed-by: Dan Hecht <[email protected]>
Tested-by: Internal Jenkins
---
M be/src/exec/base-sequence-scanner.cc
M be/src/exec/hdfs-parquet-scanner.cc
M be/src/exec/hdfs-rcfile-scanner.cc
M be/src/exec/hdfs-scanner.cc
M be/src/exec/hdfs-scanner.h
M be/src/exec/hdfs-text-scanner.cc
M tests/query_test/test_scanners.py
7 files changed, 45 insertions(+), 36 deletions(-)

Approvals:
  Internal Jenkins: Verified
  Dan Hecht: Looks good to me, approved
  Tim Armstrong: Looks good to me, but someone else must approve



-- 
To view, visit http://gerrit.cloudera.org:8080/2964
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-MessageType: merged
Gerrit-Change-Id: I4a91a22608e346ca21a23ea66c855eae54bbced6
Gerrit-PatchSet: 3
Gerrit-Project: Impala
Gerrit-Branch: cdh5-trunk
Gerrit-Owner: Dan Hecht <[email protected]>
Gerrit-Reviewer: Dan Hecht <[email protected]>
Gerrit-Reviewer: Internal Jenkins
Gerrit-Reviewer: Tim Armstrong <[email protected]>

Reply via email to