Tim Armstrong has posted comments on this change.

Change subject: IMPALA-2784: codegen 
PartitionedHashJoinNode::Partition::BuildHashTable()
......................................................................


Patch Set 6:

(3 comments)

http://gerrit.cloudera.org:8080/#/c/2113/6/be/src/exec/partitioned-hash-join-node-ir.cc
File be/src/exec/partitioned-hash-join-node-ir.cc:

Line 291:         // TODO: codegen expr evaluation and hashing
> Should be quite easy with the IRBuilder. I filed https://issues.cloudera.or
We already created a JIRA (we had the same discussion on Henry's patch):

https://issues.cloudera.org/browse/IMPALA-3360


http://gerrit.cloudera.org:8080/#/c/2113/6/be/src/exec/partitioned-hash-join-node.h
File be/src/exec/partitioned-hash-join-node.h:

Line 278: Idential
Identical.


Line 280:   Status CodegenInsertBatch(RuntimeState* state, llvm::Function* 
hash_fn,
> Personally I think this is simpler, because the codegen'd function pointers
The codegen isn't done per-partition so in some ways it seems more logical to 
have it as a property of the node.


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Gerrit-MessageType: comment
Gerrit-Change-Id: I616f46a861b4909d7a6e66dcf947b3518556768e
Gerrit-PatchSet: 6
Gerrit-Project: Impala
Gerrit-Branch: cdh5-trunk
Gerrit-Owner: Skye Wanderman-Milne <[email protected]>
Gerrit-Reviewer: Jim Apple <[email protected]>
Gerrit-Reviewer: Marcel Kornacker <[email protected]>
Gerrit-Reviewer: Mostafa Mokhtar <[email protected]>
Gerrit-Reviewer: Skye Wanderman-Milne <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>
Gerrit-HasComments: Yes

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