Weichen Xu created SPARK-17046:
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Summary: prevent user using dataframe.select with empty param list
Key: SPARK-17046
URL: https://issues.apache.org/jira/browse/SPARK-17046
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.1.0
Reporter: Weichen Xu
currently, we can use:
dataframe.select()
which select nothing.
it is illegal and we should abandon it in API level.
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