[Impala-ASF-CR] IMPALA-3980: qgen: re-enable Hive as a target database

["Anonymous Coward (Code Review)" <ge...@cloudera.org>]

stakiar@cloudera.com has uploaded a new patch set (#3).

Change subject: IMPALA-3980: qgen: re-enable Hive as a target database
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IMPALA-3980: qgen: re-enable Hive as a target database

Changes:

* Added hive cli options back in (removed in commit "Stress test: Various changes")
* Modifications so that if --use-hive is specified, a Hive connection is actually created
* A few minor bug fixes so that the RQG can be run locally
* Modified MiniCluster to use HADOOP_CONF_DIR and HIVE_CONF_DIR rather than a hard-coded
file under IMPALA_HOME

Testing:

* Hive integration tested locally by invoking the data generator via the command:

./data-generator.py \
--db-name=functional \
--use-hive \
--min-row-count=50 \
--max-row-count=100 \
--storage-file-formats textfile \
--use-postgresql \
--postgresql-user stakiar

and the discrepancy checker via the command:

./discrepancy-checker.py \
--db-name=functional \
--use-hive \
--use-postgresql \
--postgresql-user stakiar \
--test-db-type HIVE \
--timeout 300 \
--query-count 50 \
--profile hive

* The output of the above two commands is essentially the same as the Impala output,
however, about 20% of the queries will fail when the discrepancy checker is run
* Regression testing done by running Leopard in a local VM running Ubuntu 14.04, and by
running the discrepancy checker against Impala while inside an Impala Docker container

Change-Id: Ifb1199b50a5b65c21de7876fb70cc03bda1a9b46
---
M tests/comparison/cli_options.py
M tests/comparison/cluster.py
M tests/comparison/data_generator.py
3 files changed, 61 insertions(+), 22 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/11/4011/3
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Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Ifb1199b50a5b65c21de7876fb70cc03bda1a9b46
Gerrit-PatchSet: 3
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: stakiar@cloudera.com
Gerrit-Reviewer: David Knupp <dk...@cloudera.com>
Gerrit-Reviewer: Henry Robinson <he...@cloudera.com>
Gerrit-Reviewer: Michael Brown <mi...@cloudera.com>
Gerrit-Reviewer: Taras Bobrovytsky <tb...@cloudera.com>
Gerrit-Reviewer: stakiar@cloudera.com