Anonymous Coward (520) has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/15403 )

Change subject: IMPALA-6505: Min-Max predicate push down in ORC scanner
......................................................................


Patch Set 1:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/15403/1/be/src/exec/hdfs-orc-scanner.cc
File be/src/exec/hdfs-orc-scanner.cc:

http://gerrit.cloudera.org:8080/#/c/15403/1/be/src/exec/hdfs-orc-scanner.cc@888
PS1, Line 888:     case TYPE_VARCHAR:
             :     case TYPE_CHAR: {
> I am not sure about the correctness in case of CHAR(N) and VARCHAR(N)
AFAIK, both C++ and Java ORC writer pad/truncate CHAR(n) to n bytes and 
truncate VARCHAR(n) to n bytes. The above issue should not happen.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I136622413db21e0941d238ab6aeea901a6464845
Gerrit-Change-Number: 15403
Gerrit-PatchSet: 1
Gerrit-Owner: Norbert Luksa <[email protected]>
Gerrit-Reviewer: Anonymous Coward (520)
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Norbert Luksa <[email protected]>
Gerrit-Reviewer: Quanlong Huang <[email protected]>
Gerrit-Reviewer: Zoltan Borok-Nagy <[email protected]>
Gerrit-Comment-Date: Thu, 19 Mar 2020 08:05:27 +0000
Gerrit-HasComments: Yes

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