Rakesh Raushan created SPARK-30790:
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Summary: The datatype of map() should be map<null,null>
Key: SPARK-30790
URL: https://issues.apache.org/jira/browse/SPARK-30790
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.0.0
Reporter: Rakesh Raushan
Currently ,
spark.sql("select map()") gives {}.
To be consistent with the changes made in SPARK-29462, it should return
map<null,null>.
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