Hyukjin Kwon created SPARK-12315:
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Summary: isnotnull operator not pushed down for JDBC datasource.
Key: SPARK-12315
URL: https://issues.apache.org/jira/browse/SPARK-12315
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 1.6.0
Reporter: Hyukjin Kwon
{{IsNotNull}} filter is not being pushed down for JDBC datasource.
It looks it is SQL standard according to SQL-92, SQL:1999, SQL:2003 and
SQL:201x and I believe most databases support this.
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