org.apache.hadoop.hive.ql.optimizer.ppr
Class OpProcFactory
java.lang.Object
org.apache.hadoop.hive.ql.optimizer.ppr.OpProcFactory
public class OpProcFactory
- extends Object
Operator factory for partition pruning processing of operator graph
We find all the filter operators that appear just beneath the table scan
operators. We then pass the filter to the partition pruner to construct
a pruner for that table alias and store a mapping from the table scan
operator to that pruner. We call that pruner later during plan generation.
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
OpProcFactory
public OpProcFactory()
getFilterProc
public static NodeProcessor getFilterProc()
getDefaultProc
public static NodeProcessor getDefaultProc()
Copyright © 2009 The Apache Software Foundation