Lars Volker has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/10233 )

Change subject: IMPALA-6946: handle negative counts in RLE decoder
......................................................................


Patch Set 4:

(3 comments)

http://gerrit.cloudera.org:8080/#/c/10233/4/be/src/util/rle-encoding.h
File be/src/util/rle-encoding.h:

http://gerrit.cloudera.org:8080/#/c/10233/4/be/src/util/rle-encoding.h@606
PS4, Line 606: vlq
nit: uleb


http://gerrit.cloudera.org:8080/#/c/10233/4/be/src/util/rle-encoding.h@625
PS4, Line 625:     DCHECK_LE(run_len, std::numeric_limits<int32_t>::max())
Can this go to L615, right after reading run_len? If not, can you add a comment 
to explain why?


http://gerrit.cloudera.org:8080/#/c/10233/4/be/src/util/rle-test.cc
File be/src/util/rle-test.cc:

http://gerrit.cloudera.org:8080/#/c/10233/4/be/src/util/rle-test.cc@514
PS4, Line 514:     // IMPALA-6946 hit DCHECK because it treated -1 as a signed 
integer.
I don't understand how the comment relates to the next two lines. Can you 
clarify?



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: If75ef3fb12494209918c100f26407cd93b17addb
Gerrit-Change-Number: 10233
Gerrit-PatchSet: 4
Gerrit-Owner: Tim Armstrong <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Lars Volker <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>
Gerrit-Comment-Date: Thu, 03 May 2018 23:45:53 +0000
Gerrit-HasComments: Yes

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