Michal Ostrowski has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/11535 )

Change subject: IMPALA-6661 Make NaN values equal for grouping purposes.
......................................................................


Patch Set 13:

(4 comments)

http://gerrit.cloudera.org:8080/#/c/11535/9/be/src/exec/hash-table.cc
File be/src/exec/hash-table.cc:

http://gerrit.cloudera.org:8080/#/c/11535/9/be/src/exec/hash-table.cc@801
PS9, Line 801: builder.SetIn
> The probe-only behavior here doesn't match the behavior of the non-codegen'
We should eliminate this test and convert unconditionally.  This block is about 
generating consistent hash values, which we always want.  The 
"inclusive_equality" flag applies only to "eq" comparisons.


http://gerrit.cloudera.org:8080/#/c/11535/11/be/src/exec/hash-table.cc
File be/src/exec/hash-table.cc:

http://gerrit.cloudera.org:8080/#/c/11535/11/be/src/exec/hash-table.cc@237
PS11, Line 237: INCLUSIVE_EQUALITY
> This change in the logic of hash table may have implication to Join too.
Added a more compact test case.


http://gerrit.cloudera.org:8080/#/c/11535/11/be/src/exec/hash-table.cc@256
PS11, Line 256: val_is_nan = Raw
> nit: val_is_nan
Done


http://gerrit.cloudera.org:8080/#/c/11535/11/be/src/exec/hash-table.cc@257
PS11, Line 257: local_is_nan = Raw
> nit: local_is_nan
Done



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I996c4a2e1934fd887046ed0c55457b7285375086
Gerrit-Change-Number: 11535
Gerrit-PatchSet: 13
Gerrit-Owner: Michal Ostrowski <[email protected]>
Gerrit-Reviewer: Bikramjeet Vig <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Michael Ho <[email protected]>
Gerrit-Reviewer: Michal Ostrowski <[email protected]>
Gerrit-Reviewer: Thomas Marshall <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>
Gerrit-Comment-Date: Fri, 12 Oct 2018 22:31:26 +0000
Gerrit-HasComments: Yes

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