Rahul Challapalli created DRILL-2305:
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Summary: 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
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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