Chenliang Xu created SPARK-17694:
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Summary: convert DataFrame to DataSet should check columns match
Key: SPARK-17694
URL: https://issues.apache.org/jira/browse/SPARK-17694
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 1.6.2, 1.6.1
Reporter: Chenliang Xu
Priority: Minor
The {{as}} method, which converts a DataFrame to DataSet requires the user to
ensure the columns are match. And it success even the columns do not match, and
cause error at later steps.
It would be better, to let {{as}} match the columns, and fail/warn when the
match fails.
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