Davies Liu created SPARK-14858:
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Summary: Push predicates with subquery
Key: SPARK-14858
URL: https://issues.apache.org/jira/browse/SPARK-14858
Project: Spark
Issue Type: Improvement
Components: SQL
Reporter: Davies Liu
Currently we rewrite the subquery as Join in the beginning of Optimizer, we
should defer that to enable predicates push down (because Join can't be easily
pushed down).
cc [~hvanhovell]
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