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From "Rahul Challapalli (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-2167) Order by on a repeated index from the output of a flatten on large no of records results in incorrect results
Date Wed, 04 Feb 2015 22:00:35 GMT
Rahul Challapalli created DRILL-2167:
----------------------------------------

             Summary: Order by on a repeated index from the output of a flatten on large no
of records results in incorrect results
                 Key: DRILL-2167
                 URL: https://issues.apache.org/jira/browse/DRILL-2167
             Project: Apache Drill
          Issue Type: Bug
            Reporter: Rahul Challapalli
            Assignee: Jason Altekruse
            Priority: Critical
         Attachments: data.json

git.commit.id.abbrev=3e33880

The below query results in 200006 records. Based on the data set we should only receive 200000
records. 
{code}
select s.uid from (select d.uid, flatten(d.map.rm) rms from `data.json` d) s order by s.rms.rptd[1].d;
{code}

When I removed the order by part, drill correctly reported 200000 records.
{code}
select s.uid from (select d.uid, flatten(d.map.rm) rms from `data.json` d) s;
{code}


I attached the data set with 2 records. I copied over the data set 50000 times and ran the
queries on top of it. Let me know if you have any other questions



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