Michael Ho has posted comments on this change.

Change subject: IMPALA-3286: prefetching for PartitionedAggregationNode
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Patch Set 13:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/3070/13/be/src/exec/partitioned-aggregation-node.cc
File be/src/exec/partitioned-aggregation-node.cc:

Line 278:     if (is_streaming_preagg_) codegen_status = 
CodegenProcessBatchStreaming();
        :     else codegen_status = CodegenProcessBatch();
Huh ? These lines lookd weird. Why don't you just do codegen_status = 
is_streaming_preagg_ ? Codege... : Codegen...


Line 331: // There is grouping, so we will do partitioned aggregation.
not needed.


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Gerrit-MessageType: comment
Gerrit-Change-Id: I7726454efb416d61080c4e11db0ee7ada18c149b
Gerrit-PatchSet: 13
Gerrit-Project: Impala
Gerrit-Branch: cdh5-trunk
Gerrit-Owner: Tim Armstrong <[email protected]>
Gerrit-Reviewer: Dan Hecht <[email protected]>
Gerrit-Reviewer: Michael Ho <[email protected]>
Gerrit-Reviewer: Mostafa Mokhtar <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>
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