Liang-Chi Hsieh created SPARK-17357:
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Summary: Simplified predicates should be able to pushdown through
operators
Key: SPARK-17357
URL: https://issues.apache.org/jira/browse/SPARK-17357
Project: Spark
Issue Type: Bug
Components: SQL
Reporter: Liang-Chi Hsieh
In Optimizer, Filter operator will go through the rules PushDownPredicate,
CombineFilters and BooleanSimplification.
Under this rule order, it is possibly that some predicates that should be able
to push down, can't be pushed down through operators.
We should fix it.
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