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From "Rahul Challapalli (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-1642) flatten function is dropping the last record when the json file contains even no of records
Date Thu, 06 Nov 2014 01:17:33 GMT
Rahul Challapalli created DRILL-1642:
----------------------------------------

             Summary: flatten function is dropping the last record when the json file contains
even no of records
                 Key: DRILL-1642
                 URL: https://issues.apache.org/jira/browse/DRILL-1642
             Project: Apache Drill
          Issue Type: Bug
            Reporter: Rahul Challapalli
         Attachments: flatten.json

git.commit.id.abbrev=5adadfa

The below query does not produce the right output. It is missing the last record from the
data file. The record count is even for the data set. However if it is odd, the flatten operator
has not issues .

{code}
0: jdbc:drill:schema=dfs> select rownum, flatten(complex) from `flatten.json`;
+------------+------------+
|   rownum   |   EXPR$1   |
+------------+------------+
| 1          | {"col1":3} |
| 1          | {"col2":2,"col3":1} |
| 1          | {"col1":7} |
| 2          | {"col2":2,"col3":1} |
| 2          | {"col1":7} |
| 3          | {"col1":2,"col3":1} |
+------------+------------+
{code} 

Attached the data file. Let me know if you need anything more.



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