Fei Wang created SPARK-7109:
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Summary: Push down left side filter for left semi join
Key: SPARK-7109
URL: https://issues.apache.org/jira/browse/SPARK-7109
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 1.3.1
Reporter: Fei Wang
now in spark sql optimizer we only push down right side filter, actually we can
push down left side filter for left semi join
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