[jira] [Resolved] (IMPALA-5986) Impala test suite harness fails to reset some options in SQL sessions

["Michael Brown (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-5986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Brown resolved IMPALA-5986.
-----------------------------------
       Resolution: Fixed
    Fix Version/s: Impala 2.11.0

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commit 1969c56c2fba248794d4d52eae4410998afa0709
Author: Tim Wood <tw...@cloudera.com>
Date:   Thu Sep 28 10:44:23 2017 -0700

    IMPALA-5986: Correct set-option logic to recognize digits in names.

    Arose during work for IMPALA-5376; prevents tests from passing consistently.

    Change-Id: Ia3ba641553ff827dbd4673b9fe7ed7d9d5e83052
    Reviewed-on: http://gerrit.cloudera.org:8080/8166
    Reviewed-by: Michael Brown <mi...@cloudera.com>
    Tested-by: Impala Public Jenkins
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> Impala test suite harness fails to reset some options in SQL sessions
> ---------------------------------------------------------------------
>
>                 Key: IMPALA-5986
>                 URL: https://issues.apache.org/jira/browse/IMPALA-5986
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Infrastructure
>    Affects Versions: Impala 2.9.0, Impala 2.10.0, Impala 2.11.0
>            Reporter: Tim Wood
>            Assignee: Tim Wood
>             Fix For: Impala 2.11.0
>
>
> This bug arose while characterizing TPC-DS tests that flap.
> Runs of the full TPC-DS suite display results for various tests that variously fail or succeed in absence of code or environment changes.  All failures are connected with displays of the scale of decimal values.  Some tests contain SET DECIMAL_V2=1; statements. I theorized that this option was getting left on in SQL connections and exposed to subsequent tests.
> The main test suite driver file, $IMPALA_HOME/tests/common/impala_test_suite.py, contains logic to reset options in the SQL session between tests, however its regex to detect these statements fails for statements that contain digits (SET_PATTERN = re.compile(...)).



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