[Impala-CR](cdh5-trunk) IMPALA-3629: Codegen TransferScratchTuples() in hdfs-parquet-scanner

["Thomas Tauber-Marshall (Code Review)" <ge...@cloudera.org>]

Thomas Tauber-Marshall has uploaded a new patch set (#4).

Change subject: IMPALA-3629: Codegen TransferScratchTuples() in hdfs-parquet-scanner
......................................................................

IMPALA-3629: Codegen TransferScratchTuples() in hdfs-parquet-scanner

We currently don't do any codegen in the hdfs-parquet scanner,
which limits performance. This patch codegens conjunct evalution
using CodegenEvalConjuncts and cross-compiles TransferScratchTuples,
replacing the calls to EvalConjuncts in it with the codegend version.

Change-Id: Ic327e437c7cd2b3f92cdb11c1e907bfee2d44ee8
---
M be/src/codegen/gen_ir_descriptions.py
M be/src/codegen/impala-ir.cc
M be/src/exec/CMakeLists.txt
M be/src/exec/hdfs-avro-scanner.cc
M be/src/exec/hdfs-avro-scanner.h
A be/src/exec/hdfs-parquet-scanner-ir.cc
M be/src/exec/hdfs-parquet-scanner.cc
M be/src/exec/hdfs-parquet-scanner.h
M be/src/exec/hdfs-scan-node.cc
M be/src/exec/hdfs-scanner.cc
M be/src/exec/hdfs-scanner.h
M be/src/exec/hdfs-sequence-scanner.cc
M be/src/exec/hdfs-sequence-scanner.h
M be/src/exec/hdfs-text-scanner.cc
M be/src/exec/hdfs-text-scanner.h
15 files changed, 253 insertions(+), 125 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala refs/changes/74/3774/4
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Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Ic327e437c7cd2b3f92cdb11c1e907bfee2d44ee8
Gerrit-PatchSet: 4
Gerrit-Project: Impala
Gerrit-Branch: cdh5-trunk
Gerrit-Owner: Thomas Tauber-Marshall <tm...@cloudera.com>
Gerrit-Reviewer: Michael Ho <kw...@cloudera.com>
Gerrit-Reviewer: Thomas Tauber-Marshall <tm...@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <ta...@cloudera.com>