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From "Alex Behm (Code Review)" <ger...@cloudera.org>
Subject [Impala-ASF-CR] IMPALA-5310: Part 3: Use SAMPLED NDV() in COMPUTE STATS.
Date Sat, 16 Dec 2017 00:37:36 GMT
Hello Dimitris Tsirogiannis, 

I'd like you to reexamine a change. Please visit

    http://gerrit.cloudera.org:8080/8840

to look at the new patch set (#2).

Change subject: IMPALA-5310: Part 3: Use SAMPLED_NDV() in COMPUTE STATS.
......................................................................

IMPALA-5310: Part 3: Use SAMPLED_NDV() in COMPUTE STATS.

Modifies COMPUTE STATS TABLESAMPLE to use the new SAMPLED_NDV()
function.

Testing:
- modified/improved existing functional tests
- core/hdfs run passed

Change-Id: I6ec0831f77698695975e45ec0bc0364c765d819b
---
M be/src/exec/catalog-op-executor.cc
M common/thrift/JniCatalog.thrift
M fe/src/main/java/org/apache/impala/analysis/ComputeStatsStmt.java
M fe/src/main/java/org/apache/impala/service/CatalogOpExecutor.java
D testdata/workloads/functional-query/queries/QueryTest/compute-stats-tablesample.test
M tests/common/impala_test_suite.py
M tests/custom_cluster/test_stats_extrapolation.py
M tests/query_test/test_aggregation.py
8 files changed, 179 insertions(+), 259 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/40/8840/2
-- 
To view, visit http://gerrit.cloudera.org:8080/8840
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I6ec0831f77698695975e45ec0bc0364c765d819b
Gerrit-Change-Number: 8840
Gerrit-PatchSet: 2
Gerrit-Owner: Alex Behm <alex.behm@cloudera.com>
Gerrit-Reviewer: Alex Behm <alex.behm@cloudera.com>
Gerrit-Reviewer: Dimitris Tsirogiannis <dtsirogiannis@cloudera.com>

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