[jira] [Created] (SPARK-6745) Develop a general filter function to be used in PrunedFilteredScan and CatalystScan

["Alex Liu (JIRA)" <ji...@apache.org>]

Alex Liu created SPARK-6745:
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             Summary: Develop a general filter function to be used in  PrunedFilteredScan and CatalystScan
                 Key: SPARK-6745
                 URL: https://issues.apache.org/jira/browse/SPARK-6745
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 1.3.0
            Reporter: Alex Liu


During integrating PrunedFilteredScan/CatalystScan with Cassandra. Some filters are pushed down to Cassandra Spark connector, others are left out. The left out filters need to applied to the Rdd[Row] obtained from Cassandra Spark Connector. 

Rdd[Row].filter(generalFilter)

{code}
def filter(f: T => Boolean): RDD[T] 
generalFilter: Row => Boolean
{code}

Where generalFilter combines filters left and applies them to Row.  This is a general function which could be applied to many data source integration.



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