Dan Burkert has posted comments on this change.

Change subject: IMPALA-3481: Use Kudu ScanToken API for scan ranges
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Patch Set 1:

(3 comments)

ScanToken usage LGTM.  I agree with Todd that we should provide some more debug 
printing tools if you all need it.

http://gerrit.cloudera.org:8080/#/c/4120/1/be/src/exec/kudu-scan-node.h
File be/src/exec/kudu-scan-node.h:

PS1, Line 76: string
not sure if y'all follow the same style guide, but this should be std::string 
here and below.


Line 79:   int next_scan_token_idx_;
I may have missed something, but it looks like you could just use scan_tokens_ 
as a stack and pop tokens off it for each call to GetNextScanToken.


http://gerrit.cloudera.org:8080/#/c/4120/1/fe/src/test/java/com/cloudera/impala/planner/PlannerTestBase.java
File fe/src/test/java/com/cloudera/impala/planner/PlannerTestBase.java:

PS1, Line 281: KUDU KEYRANGE 
> KEYRANGE isn't really accurate -- this makes it seem like it's a primary ke
Moreover, I think the important thing here isn't the partition key range, but 
what tablet it's scanning.  I recommend just printing the tablet ID.


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Gerrit-MessageType: comment
Gerrit-Change-Id: I160e5849d372755748ff5ba3c90a4651c804b220
Gerrit-PatchSet: 1
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Matthew Jacobs <[email protected]>
Gerrit-Reviewer: Dan Burkert <[email protected]>
Gerrit-Reviewer: Dimitris Tsirogiannis <[email protected]>
Gerrit-Reviewer: Todd Lipcon <[email protected]>
Gerrit-HasComments: Yes

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