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Posted to issues@drill.apache.org by "Steven Phillips (JIRA)" <ji...@apache.org> on 2015/06/23 01:59:00 UTC
[jira] [Updated] (DRILL-2906) Json reader with extended json adds
extra column
[ https://issues.apache.org/jira/browse/DRILL-2906?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steven Phillips updated DRILL-2906:
-----------------------------------
Fix Version/s: (was: 1.1.0)
1.2.0
> 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: 1.2.0
>
>
> 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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