[jira] [Created] (DRILL-1889) when 'select *' is used along with an order by on length of a column, Drill is adding the computed length to the list of columns

["Rahul Challapalli (JIRA)" <ji...@apache.org>]

Rahul Challapalli created DRILL-1889:
----------------------------------------

             Summary: when 'select *' is used along with an order by on length of a column, Drill is adding the computed length to the list of columns
                 Key: DRILL-1889
                 URL: https://issues.apache.org/jira/browse/DRILL-1889
             Project: Apache Drill
          Issue Type: Bug
          Components: Execution - Flow
            Reporter: Rahul Challapalli


git.commit.id.abbrev=9dfa4a1

Dataset :
{code}
{
 "col1":1,
 "col2":"a"
}
{
 "col1":2,
 "col2":"b"
}
{
 "col1":2,
 "col2":"abc"
}
{code}

Query :
{code}
 select * from `b.json` order by length(col2);
+------------+------------+------------+
|    col1    |    col2    |   EXPR$1   |
+------------+------------+------------+
| 1          | a          | 1          |
| 2          | b          | 1          |
| 2          | abc        | 3          |
+------------+------------+------------+
{code}

Drill adds the length column. (EXPR$1) Not sure if this is intended behavior since postgres does not do this



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