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From concretevitamin <...@git.apache.org>
Subject [GitHub] spark pull request: [SPARK-2443][SQL] Fix slow read from partition...
Date Mon, 14 Jul 2014 20:46:13 GMT
Github user concretevitamin commented on a diff in the pull request:

    https://github.com/apache/spark/pull/1390#discussion_r14902569
  
    --- Diff: sql/hive/src/main/scala/org/apache/spark/sql/hive/TableReader.scala ---
    @@ -157,21 +161,60 @@ class HadoopTableReader(@transient _tableDesc: TableDesc, @transient
sc: HiveCon
     
           // Create local references so that the outer object isn't serialized.
           val tableDesc = _tableDesc
    +      val tableSerDeClass = tableDesc.getDeserializerClass
    +
           val broadcastedHiveConf = _broadcastedHiveConf
           val localDeserializer = partDeserializer
     
           val hivePartitionRDD = createHadoopRdd(tableDesc, inputPathStr, ifc)
    -      hivePartitionRDD.mapPartitions { iter =>
    +      hivePartitionRDD.mapPartitions { case iter =>
    --- End diff --
    
    https://gist.github.com/concretevitamin/272fe413dcc06b8cbe9c
    
    It seems the with-case version does have more instructions to do.
    



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