Davies Liu created SPARK-14541:
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Summary: SQL function: IFNULL, NULLIF, NVL and NVL2
Key: SPARK-14541
URL: https://issues.apache.org/jira/browse/SPARK-14541
Project: Spark
Issue Type: New Feature
Components: SQL
Reporter: Davies Liu
It will be great to have these SQL functions:
IFNULL, NULLIF, NVL, NVL2
The meaning of these functions could be found in oracle docs.
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