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From "Rahul Challapalli (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-3191) Provide a function which converts optional fields into required ones
Date Wed, 27 May 2015 16:40:17 GMT

     [ https://issues.apache.org/jira/browse/DRILL-3191?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rahul Challapalli updated DRILL-3191:
-------------------------------------
    Attachment: DRILL-3191.txt

[~jaltekruse] Can you please review the changes?

> Provide a function which converts optional fields into required ones
> --------------------------------------------------------------------
>
>                 Key: DRILL-3191
>                 URL: https://issues.apache.org/jira/browse/DRILL-3191
>             Project: Apache Drill
>          Issue Type: Improvement
>          Components: Functions - Drill
>            Reporter: Rahul Challapalli
>            Assignee: Rahul Challapalli
>         Attachments: DRILL-3191.txt
>
>
> commit # bd8ac4fca03ad5043bca27fbc7e0dec5a35ac474
> Drill currently reads data using nullable column types by default. It would be helpful
if I can convert a nullable type into a required type before writing out to a parquet file.
> {code}
> create table req_data as select make_required(d.col1) from `data.json` d;
> {code}



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