Li Sheng created SPARK-5740:
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Summary: Change default value of comment in DescribeCommand from
"null" to “None”
Key: SPARK-5740
URL: https://issues.apache.org/jira/browse/SPARK-5740
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 1.3.0
Reporter: Li Sheng
Fix For: 1.3.0
Change default value of comment in DescribeCommand from "null" to "None"
Filed in Hive Table does not have a comment, when describe the table, this
`comment` field should not be "null" but “None”.
This is consistent with hive behavior.
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