Alex Behm has posted comments on this change.

Change subject: IMPALA-3943: Do not throw scan errors for empty Parquet files.
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Patch Set 1:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/4693/1/tests/query_test/test_scanners.py
File tests/query_test/test_scanners.py:

Line 250:     succeeds without errors irrespective of abort_on_error."""
> why even mention abort_on_error? i think that's still a legal parquet file.
Removed.


Line 256:     check_call(['hdfs', 'dfs', '-copyFromLocal',
> out of scope, but would be better to have this set up as a permanent table 
Agree, out of scope. I think it is also debatable.

Imo, it's better for test infra stability to have have such one-off tables be 
self-contained in the test without "polluting" the snapshot and data loading 
paths. Think about it this way: Adding to the functional suite would require 
much more script/conf changes in several different files and potentially cause 
hiccups with stale snapshots. Doesn't seem worth it if only this single test 
needs those files.


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Gerrit-MessageType: comment
Gerrit-Change-Id: I50ac3df6ff24bc5c384ef22e0f804a5132adb62e
Gerrit-PatchSet: 1
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Alex Behm <alex.b...@cloudera.com>
Gerrit-Reviewer: Alex Behm <alex.b...@cloudera.com>
Gerrit-Reviewer: Marcel Kornacker <mar...@cloudera.com>
Gerrit-HasComments: Yes

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