Tim Armstrong has uploaded a new patch set (#2). ( 
http://gerrit.cloudera.org:8080/8172 )

Change subject: PREVIEW: IMPALA-5307: Part 4: copy out uncompressed text and seq
......................................................................

PREVIEW: IMPALA-5307: Part 4: copy out uncompressed text and seq

This is the final patch for IMPALA-5307.

Text and Seq scanners are converted to use the same approach
as Avro.

contains_tuple_data is now false so a bunch of dead code in
ScannerContext can be removed. We also no longer attach I/O
buffers to row batches so that logic can be removed.

Testing:
Ran core ASAN tests.

Perf:
TODO - need to run numbers

Change-Id: I304fd002b61bfedf41c8b1405cd7eb7b492bb941
---
M be/src/codegen/gen_ir_descriptions.py
M be/src/exec/base-sequence-scanner.cc
M be/src/exec/exec-node.cc
M be/src/exec/exec-node.h
M be/src/exec/hdfs-avro-scanner.cc
M be/src/exec/hdfs-avro-scanner.h
M be/src/exec/hdfs-parquet-scanner.cc
M be/src/exec/hdfs-rcfile-scanner.cc
M be/src/exec/hdfs-scan-node-mt.cc
M be/src/exec/hdfs-scan-node.cc
M be/src/exec/hdfs-scanner-ir.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-text-scanner.cc
M be/src/exec/parquet-column-readers.cc
M be/src/exec/scanner-context.cc
M be/src/exec/scanner-context.h
M be/src/runtime/row-batch.cc
M be/src/runtime/row-batch.h
20 files changed, 118 insertions(+), 192 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/72/8172/2
--
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I304fd002b61bfedf41c8b1405cd7eb7b492bb941
Gerrit-Change-Number: 8172
Gerrit-PatchSet: 2
Gerrit-Owner: Tim Armstrong <tarmstr...@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com>

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