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Posted to issues@drill.apache.org by "Jacques Nadeau (JIRA)" <ji...@apache.org> on 2015/03/13 22:05:39 UTC
[jira] [Updated] (DRILL-2305) Using CTAS with nested structures
[ https://issues.apache.org/jira/browse/DRILL-2305?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jacques Nadeau updated DRILL-2305:
----------------------------------
Fix Version/s: Future
> Using CTAS with nested structures
> ---------------------------------
>
> Key: DRILL-2305
> URL: https://issues.apache.org/jira/browse/DRILL-2305
> Project: Apache Drill
> Issue Type: Improvement
> Components: Storage - Parquet
> Reporter: Rahul Challapalli
> Assignee: Steven Phillips
> Fix For: Future
>
>
> git.commit.id.abbrev=6676f2d
> Drill needs to be able to read from a nested json file, cast individual fields, and still be able to maintain the nested structure.
> Data Set :
> {code}
> {
> "map" : {"col1":12.2, "col2":25.5}
> }
> {code}
> Sample Usage :
> {code}
> select cast(m1 as map(col1:decimal, col2:double)) from `data.json`;
> {code}
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