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From "Tianyi Wang (Code Review)" <ger...@cloudera.org>
Subject [Impala-ASF-CR] IMPALA-5789: Add always false flag in bloom filter
Date Tue, 10 Oct 2017 22:47:39 GMT
Tianyi Wang has posted comments on this change. ( http://gerrit.cloudera.org:8080/8170 )

Change subject: IMPALA-5789: Add always_false flag in bloom filter
......................................................................


Patch Set 4:

(6 comments)

http://gerrit.cloudera.org:8080/#/c/8170/3//COMMIT_MSG
Commit Message:

http://gerrit.cloudera.org:8080/#/c/8170/3//COMMIT_MSG@13
PS3, Line 13: Testing
> I assume you ran the existing runtime filter tests?
Yes. Commit message is updated with the clarification.


http://gerrit.cloudera.org:8080/#/c/8170/3/be/src/common/global-flags.cc
File be/src/common/global-flags.cc:

http://gerrit.cloudera.org:8080/#/c/8170/3/be/src/common/global-flags.cc@129
PS3, Line 129: testing purposes. Effective in debug builds only.");
> This is a little cluttered. I think its okay to just say "for testing purpo
Done


http://gerrit.cloudera.org:8080/#/c/8170/3/be/src/exec/filter-context.h
File be/src/exec/filter-context.h:

http://gerrit.cloudera.org:8080/#/c/8170/3/be/src/exec/filter-context.h@129
PS3, Line 129: CheckForAlwaysFalse(
> I think this needs to be renamed for two reasons:
Done


http://gerrit.cloudera.org:8080/#/c/8170/3/be/src/runtime/runtime-filter.inline.h
File be/src/runtime/runtime-filter.inline.h:

http://gerrit.cloudera.org:8080/#/c/8170/3/be/src/runtime/runtime-filter.inline.h@53
PS3, Line 53: return bloom_filter_ != BloomFilter::ALWAYS_TRUE_FILTER && bloom_filter_->AlwaysFalse();
            : }
> single line?
Done


http://gerrit.cloudera.org:8080/#/c/8170/3/be/src/util/bloom-filter.h
File be/src/util/bloom-filter.h:

http://gerrit.cloudera.org:8080/#/c/8170/3/be/src/util/bloom-filter.h@111
PS3, Line 111: hasn't had any elements inserted.
> hasn't had any elements inserted
Done


http://gerrit.cloudera.org:8080/#/c/8170/3/tests/custom_cluster/test_always_false_filter.py
File tests/custom_cluster/test_always_false_filter.py:

http://gerrit.cloudera.org:8080/#/c/8170/3/tests/custom_cluster/test_always_false_filter.py@34
PS3, Line 34: f assert_file_rejected(result):
            :     assert re.search("Files rejected: 8 \(8\)", resu
> I think you can just add 'cursor' as a parameter to the 'test_' functions.
Done.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: If680240a3cd4583fc97c3192177d86d9567c4f8d
Gerrit-Change-Number: 8170
Gerrit-PatchSet: 4
Gerrit-Owner: Tianyi Wang <twang@cloudera.com>
Gerrit-Reviewer: Sailesh Mukil <sailesh@cloudera.com>
Gerrit-Reviewer: Thomas Tauber-Marshall <tmarshall@cloudera.com>
Gerrit-Reviewer: Tianyi Wang <twang@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstrong@cloudera.com>
Gerrit-Comment-Date: Tue, 10 Oct 2017 22:47:39 +0000
Gerrit-HasComments: Yes

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