[Impala-ASF-CR] IMPALA-7761: Add multiple DISTINCT to targeted perf and stress test

["Thomas Marshall (Code Review)" <ge...@cloudera.org>]

Hello Michael Brown, Tim Armstrong, Impala Public Jenkins, 

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

    http://gerrit.cloudera.org:8080/11805

to look at the new patch set (#3).

Change subject: IMPALA-7761: Add multiple DISTINCT to targeted perf and stress test
......................................................................

IMPALA-7761: Add multiple DISTINCT to targeted perf and stress test

IMPALA-110 added support for queries with multiple DISTINCT aggregates
in a single select list. This patch adds queries to test this
functionality to our targeted-perf workloads and fixes some incorrect
return types in another targeted-perf aggregation query.

It also adds some targeted queries to the stress test by extending the
regex for stress test files to accept files of the form
'tpch-stress-*' and to allow for multiple tests per file.

Testing:
- Added an e2e test that runs the stress test file.

Change-Id: I400aaf6b6620b4001895eafff785956bffb312c9
---
M testdata/workloads/targeted-perf/queries/aggregation.test
M testdata/workloads/tpcds/queries/tpcds-q39-1.test
M testdata/workloads/tpcds/queries/tpcds-q39-2.test
A testdata/workloads/tpch/queries/tpch-stress-aggregations.test
M tests/infra/test_stress_infra.py
M tests/query_test/test_aggregation.py
M tests/util/parse_util.py
M tests/util/test_file_parser.py
8 files changed, 112 insertions(+), 13 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/05/11805/3
-- 
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I400aaf6b6620b4001895eafff785956bffb312c9
Gerrit-Change-Number: 11805
Gerrit-PatchSet: 3
Gerrit-Owner: Thomas Marshall <th...@cmu.edu>
Gerrit-Reviewer: Impala Public Jenkins <im...@cloudera.com>
Gerrit-Reviewer: Michael Brown <mi...@cloudera.com>
Gerrit-Reviewer: Thomas Marshall <th...@cmu.edu>
Gerrit-Reviewer: Tim Armstrong <ta...@cloudera.com>