Zoltan Borok-Nagy has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/11057 )

Change subject: IMPALA-5050: Add support to read TIMESTAMP_MILLIS and 
TIMESTAMP_MICROS from Parquet
......................................................................


Patch Set 18:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/11057/16/be/src/exec/hdfs-parquet-scanner.cc
File be/src/exec/hdfs-parquet-scanner.cc:

http://gerrit.cloudera.org:8080/#/c/11057/16/be/src/exec/hdfs-parquet-scanner.cc@518
PS16, Line 518: We need to get min stats.
              :       statsField = ColumnStatsReader::StatsField::MIN;
              :     } else if (fn_name == "gt" || fn_name == "ge") {
              :       // We need to get max stats.
              :       statsField = ColumnStatsReader::StatsField::MAX;
              :     } else {
              :       DCHECK(false) << "Unsupported function name for 
statistics evaluation: " << fn_name;
              :       c
> I see what you mean, but I did not want add TimestampHelper to the simple R
I still prefer to hide that logic in ReadFromThrift(), but feel free to leave 
it as it is.


http://gerrit.cloudera.org:8080/#/c/11057/18/be/src/exec/hdfs-parquet-scanner.cc
File be/src/exec/hdfs-parquet-scanner.cc:

http://gerrit.cloudera.org:8080/#/c/11057/18/be/src/exec/hdfs-parquet-scanner.cc@516
PS18, Line 516: statsField
nit: stats_field



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I4c7c01fffa31b3d2ca3480adf6ff851137dadac3
Gerrit-Change-Number: 11057
Gerrit-PatchSet: 18
Gerrit-Owner: Csaba Ringhofer <csringho...@cloudera.com>
Gerrit-Reviewer: Attila Jeges <atti...@cloudera.com>
Gerrit-Reviewer: Csaba Ringhofer <csringho...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com>
Gerrit-Reviewer: Zoltan Borok-Nagy <borokna...@cloudera.com>
Gerrit-Comment-Date: Mon, 05 Nov 2018 17:17:10 +0000
Gerrit-HasComments: Yes

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