org.apache.hadoop.hive.ql.optimizer
Class GroupByOptimizer.SortGroupByProcessor
java.lang.Object
org.apache.hadoop.hive.ql.optimizer.GroupByOptimizer.SortGroupByProcessor
- All Implemented Interfaces:
- NodeProcessor
- Direct Known Subclasses:
- GroupByOptimizer.SortGroupBySkewProcessor
- Enclosing class:
- GroupByOptimizer
public class GroupByOptimizer.SortGroupByProcessor
- extends Object
- implements NodeProcessor
SortGroupByProcessor.
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
pGraphContext
protected ParseContext pGraphContext
GroupByOptimizer.SortGroupByProcessor
public GroupByOptimizer.SortGroupByProcessor(ParseContext pGraphContext)
checkGroupByOperatorProcessed
protected boolean checkGroupByOperatorProcessed(GroupByOptimizer.GroupByOptimizerContext groupBySortOptimizerContext,
GroupByOperator groupByOp)
processGroupBy
protected void processGroupBy(GroupByOptimizer.GroupByOptimizerContext ctx,
Stack<Node> stack,
GroupByOperator groupByOp,
int depth)
throws SemanticException
- Throws:
SemanticException
process
public Object process(Node nd,
Stack<Node> stack,
NodeProcessorCtx procCtx,
Object... nodeOutputs)
throws SemanticException
- Description copied from interface:
NodeProcessor
- Generic process for all ops that don't have specific implementations.
- Specified by:
process
in interface NodeProcessor
- Parameters:
nd
- operator to processprocCtx
- operator processor contextnodeOutputs
- A variable argument list of outputs from other nodes in the walk
- Returns:
- Object to be returned by the process call
- Throws:
SemanticException
checkSortGroupBy
protected GroupByOptimizer.GroupByOptimizerSortMatch checkSortGroupBy(Stack<Node> stack,
GroupByOperator groupByOp)
throws SemanticException
- Throws:
SemanticException
convertGroupByMapSideSortedGroupBy
protected void convertGroupByMapSideSortedGroupBy(GroupByOperator groupByOp,
int depth)
Copyright © 2011 The Apache Software Foundation