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From "Khurram Faraaz (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-4678) Query HANG - SELECT DISTINCT over date data
Date Mon, 16 May 2016 12:00:16 GMT
Khurram Faraaz created DRILL-4678:
-------------------------------------

             Summary: Query HANG - SELECT DISTINCT over date data
                 Key: DRILL-4678
                 URL: https://issues.apache.org/jira/browse/DRILL-4678
             Project: Apache Drill
          Issue Type: Bug
          Components: Execution - Relational Operators
    Affects Versions: 1.7.0
         Environment: 4 node cluster CentOS
            Reporter: Khurram Faraaz


Below query hangs

{noformat}
2016-05-16 10:33:57,506 [28c65de9-9f67-dadb-5e4e-e1a12f8dda49:foreman] INFO  o.a.drill.exec.work.foreman.Foreman
- Query text for query id 28c65de9-9f67-dadb-5e4e-e1a12f8dda49: SELECT DISTINCT dt FROM (
VALUES(CAST('1964-03-07' AS DATE)),
      (CAST('2002-03-04' AS DATE)),
      (CAST('1966-09-04' AS DATE)),
      (CAST('1993-08-18' AS DATE)),
      (CAST('1970-06-11' AS DATE)),
      (CAST('1970-06-11' AS DATE)),
      (CAST('1970-06-11' AS DATE)),
      (CAST('1970-06-11' AS DATE)),
      (CAST('1970-06-11' AS DATE)),
      (CAST('1959-10-23' AS DATE)),
      (CAST('1992-01-14' AS DATE)),
      (CAST('1994-07-24' AS DATE)),
      (CAST('1979-11-25' AS DATE)),
      (CAST('1945-01-14' AS DATE)),
      (CAST('1982-07-25' AS DATE)),
      (CAST('1966-09-06' AS DATE)),
      (CAST('1989-05-01' AS DATE)),
      (CAST('1996-03-08' AS DATE)),
      (CAST('1998-08-19' AS DATE)),
      (CAST('2013-08-13' AS DATE)),
      (CAST('2013-08-13' AS DATE)),
      (CAST('2013-08-13' AS DATE)),
      (CAST('2013-08-13' AS DATE)),
      (CAST('2013-08-13' AS DATE)),
      (CAST('2013-08-13' AS DATE)),
(CAST('1999-07-20' AS DATE)),
    (CAST('1962-07-03' AS DATE)),
      (CAST('2011-08-17' AS DATE)),
      (CAST('2011-05-16' AS DATE)),
      (CAST('1946-05-08' AS DATE)),
      (CAST('1994-02-13' AS DATE)),
      (CAST('1978-08-09' AS DATE)),
      (CAST('1978-08-09' AS DATE)),
      (CAST('1978-08-09' AS DATE)),
      (CAST('1978-08-09' AS DATE)),
      (CAST('1958-02-06' AS DATE)),
      (CAST('2012-06-11' AS DATE)),
      (CAST('2012-06-11' AS DATE)),
      (CAST('2012-06-11' AS DATE)),
      (CAST('2012-06-11' AS DATE)),
      (CAST('1998-03-26' AS DATE)),
      (CAST('1996-11-04' AS DATE)),
      (CAST('1953-09-25' AS DATE)),
      (CAST('2003-06-17' AS DATE)),
      (CAST('2003-06-17' AS DATE)),
      (CAST('2003-06-17' AS DATE)),
      (CAST('2003-06-17' AS DATE)),
      (CAST('2003-06-17' AS DATE)),
      (CAST('1980-07-05' AS DATE)),
      (CAST('1982-06-15' AS DATE)),
      (CAST('1951-05-16' AS DATE)))
tbl(dt)
{noformat}

Details from Web UI Profile tab, please note that the query is still in STARTING state

{noformat}
Running Queries
Time	User	Query	State	Foreman
05/16/2016 10:33:57	
mapr
 SELECT DISTINCT dt FROM ( VALUES(CAST('1964-03-07' AS DATE)), (CAST('2002-03-04' AS DATE)),
(CAST('1966-09-04' AS DATE)), (CAST('199
STARTING
centos-01.qa.lab
{noformat}

There is no other useful information in drillbit.log. jstack output is attached here for your
reference.

The same query works fine on Postgres 9.3



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