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Posted to issues@spark.apache.org by "Alex Liu (JIRA)" <ji...@apache.org> on 2015/04/15 22:04:58 UTC
[jira] [Closed] (SPARK-6745) Develop a general filter function to
be used in PrunedFilteredScan and CatalystScan
[ https://issues.apache.org/jira/browse/SPARK-6745?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alex Liu closed SPARK-6745.
---------------------------
Resolution: Won't Fix
I close it if some one is interested in it, please reopen it.
> 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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