Mehant Baid created DRILL-1223:
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Summary: Querying a field in a repeated map should return an array
Key: DRILL-1223
URL: https://issues.apache.org/jira/browse/DRILL-1223
Project: Apache Drill
Issue Type: Improvement
Reporter: Mehant Baid
Priority: Minor
Consider the following json file:
{"rownum":1, "arrayval": [ {"val1":"a1"}, {"val1":"a2"} ]}
{"rownum":2, "arrayval": [ {"val1":"b1"}, {"val1": "b2"} ]}
If we have the following query, we will fail with a class cast exception.
select rownum, table.arrayval.val1 from dfs.`input.json` as table;
We should return an array of type 'val1' like the following
[a1, a2]
[b1, b2]
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