[jira] [Commented] (DRILL-2906) Json reader with extended json adds extra column

["Jacques Nadeau (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DRILL-2906?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14529379#comment-14529379 ] 

Jacques Nadeau commented on DRILL-2906:
---------------------------------------

Let's just set default extended to off for now and resolve this in a future release.  

> Json reader with extended json adds extra column
> ------------------------------------------------
>
>                 Key: DRILL-2906
>                 URL: https://issues.apache.org/jira/browse/DRILL-2906
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Storage - JSON, Storage - Writer
>            Reporter: Mehant Baid
>            Assignee: Steven Phillips
>             Fix For: 1.0.0
>
>
> Performing a CTAS with 'store.format' = 'json' and querying the table results in projecting an addition field '*' will null values. Below is a simple repro
> 0: jdbc:drill:zk=local> create table t as select timestamp '1980-10-01 00:00:00' from cp.`employee.json` limit 1;
> +------------+---------------------------+
> |  Fragment  | Number of records written |
> +------------+---------------------------+
> | 0_0        | 1                         |
> +------------+---------------------------+
> 1 row selected (0.314 seconds)
> 0: jdbc:drill:zk=local> select * from t;
> +------------+------------+
> |   EXPR$0   |     *      |
> +------------+------------+
> | 1980-10-01 00:00:00.0 | null       |
> +------------+------------+
> Notice in the above result set we get an extra column '*' with null value.



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