Xin Wu created SPARK-17551:
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Summary: support null ordering for DataFrame API
Key: SPARK-17551
URL: https://issues.apache.org/jira/browse/SPARK-17551
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.1.0
Reporter: Xin Wu
SPARK-10747 has added support for NULLS FIRST | LAST in ORDER BY clause for SQL
interface. This JIRA is to complete this feature by adding same support for
DataFrame/Dataset APIs.
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