[jira] [Created] (SPARK-6715) Eliminate duplicate filters from pushdown predicates

["Liang-Chi Hsieh (JIRA)" <ji...@apache.org>]

Liang-Chi Hsieh created SPARK-6715:
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             Summary: Eliminate duplicate filters from pushdown predicates
                 Key: SPARK-6715
                 URL: https://issues.apache.org/jira/browse/SPARK-6715
             Project: Spark
          Issue Type: Improvement
          Components: SQL
            Reporter: Liang-Chi Hsieh
            Priority: Minor


Now in {{DataSourceStrategy}}, the pushdown predicates are duplicate of original {{Filter}} conditions. Thus, some predicates are performed both by data source relation and {{Filter}} plan. I think it is a duplicate loading. Once the predicates are pushed down and performed by a data source relation, it
can be eliminated from outside {{Filter}} plan's condition.



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