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From "Zach Amsden (Code Review)" <ger...@cloudera.org>
Subject [Impala-ASF-CR] IMPALA-4864 [DRAFT] Speed up single slot predicates with dictionaries
Date Wed, 26 Apr 2017 06:14:12 GMT
Zach Amsden has uploaded a new patch set (#3).

Change subject: IMPALA-4864 [DRAFT] Speed up single slot predicates with dictionaries
......................................................................

IMPALA-4864 [DRAFT] Speed up single slot predicates with dictionaries

When dictionaries are present we can pre-evaluate conjuncts
against the dictionary values and simply look up the result.

Status of this diff: Compiles and starts.  Bitmap tests for new
functionality pass.

Change-Id: I65981c89e5292086809ec1268f5a273f4c1fe054
---
M 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/parquet-column-readers.cc
M be/src/exec/parquet-column-readers.h
M be/src/exec/parquet-scratch-tuple-batch.h
M be/src/util/bitmap-test.cc
M be/src/util/bitmap.h
M be/src/util/dict-encoding.h
M fe/src/main/java/org/apache/impala/planner/HdfsScanNode.java
10 files changed, 421 insertions(+), 181 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/26/6726/3
-- 
To view, visit http://gerrit.cloudera.org:8080/6726
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Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I65981c89e5292086809ec1268f5a273f4c1fe054
Gerrit-PatchSet: 3
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Zach Amsden <zamsden@cloudera.com>

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