Zoltan Borok-Nagy has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/12065 )

Change subject: IMPALA-5843: Use page index in Parquet files to skip pages
......................................................................


Patch Set 14:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/12065/14//COMMIT_MSG
Commit Message:

http://gerrit.cloudera.org:8080/#/c/12065/14//COMMIT_MSG@30
PS14, Line 30: Testing
> I looked into test_scanners_fuzz.py, and noticed there is no query with WHE
Do you want to open a Jira for that?


http://gerrit.cloudera.org:8080/#/c/12065/14/be/src/exec/parquet/hdfs-parquet-scanner.cc
File be/src/exec/parquet/hdfs-parquet-scanner.cc:

http://gerrit.cloudera.org:8080/#/c/12065/14/be/src/exec/parquet/hdfs-parquet-scanner.cc@639
PS14, Line 639:     if (state_->query_options().parquet_read_page_index) {
> It is not useful to read the page index if there are no suitable predicates
Good catch. Done.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I0cc99f129f2048dbafbe7f5a51d1ea3a5005731a
Gerrit-Change-Number: 12065
Gerrit-PatchSet: 14
Gerrit-Owner: Zoltan Borok-Nagy <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Lars Volker <[email protected]>
Gerrit-Reviewer: Michael Ho <[email protected]>
Gerrit-Reviewer: Pooja Nilangekar <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>
Gerrit-Reviewer: Zoltan Borok-Nagy <[email protected]>
Gerrit-Comment-Date: Thu, 18 Apr 2019 15:05:33 +0000
Gerrit-HasComments: Yes

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