[Impala-ASF-CR] [WIP] IMPALA-9873: Avoid materilization of columns for filtered out rows in Parquet table.

["Amogh Margoor (Code Review)" <ge...@cloudera.org>]

Amogh Margoor has uploaded a new patch set (#3). ( http://gerrit.cloudera.org:8080/17860 )

Change subject: [WIP] IMPALA-9873: Avoid materilization of columns for filtered out rows in Parquet table.
......................................................................

[WIP] IMPALA-9873: Avoid materilization of columns for filtered out rows in Parquet table.

Currently, entire row is materialized, before filtering upon it during
scan. Instead, cost can be saved if only the columns required for
filtering are materialized first and then rest of the columns are
materialized only for rows surviving after filter.

Performance: TBD

Testing: TBD

Change-Id: I46406c913297d5bbbec3ccae62a83bb214ed2c60
---
M be/src/codegen/gen_ir_descriptions.py
M be/src/exec/hdfs-columnar-scanner-ir.cc
M be/src/exec/hdfs-columnar-scanner.cc
M be/src/exec/hdfs-columnar-scanner.h
M be/src/exec/hdfs-orc-scanner.cc
M be/src/exec/parquet/hdfs-parquet-scanner.cc
M be/src/exec/parquet/hdfs-parquet-scanner.h
M be/src/exec/parquet/parquet-collection-column-reader.cc
M be/src/exec/parquet/parquet-collection-column-reader.h
M be/src/exec/parquet/parquet-column-chunk-reader.cc
M be/src/exec/parquet/parquet-column-chunk-reader.h
M be/src/exec/parquet/parquet-column-readers.cc
M be/src/exec/parquet/parquet-column-readers.h
M be/src/exec/scratch-tuple-batch.h
M be/src/service/query-options.cc
M be/src/service/query-options.h
M common/thrift/ImpalaService.thrift
M common/thrift/Query.thrift
18 files changed, 774 insertions(+), 121 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/60/17860/3
-- 
To view, visit http://gerrit.cloudera.org:8080/17860
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I46406c913297d5bbbec3ccae62a83bb214ed2c60
Gerrit-Change-Number: 17860
Gerrit-PatchSet: 3
Gerrit-Owner: Amogh Margoor <am...@gmail.com>
Gerrit-Reviewer: Impala Public Jenkins <im...@cloudera.com>
Gerrit-Reviewer: Kurt Deschler <kd...@cloudera.com>
Gerrit-Reviewer: Zoltan Borok-Nagy <bo...@cloudera.com>