Java Code Examples for org.apache.flink.optimizer.plan.Channel#getShipStrategy()
The following examples show how to use
org.apache.flink.optimizer.plan.Channel#getShipStrategy() .
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Example 1
| Source File: BinaryUnionReplacer.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
|
public void collect(Channel in, List<Channel> inputs) {
if (in.getSource() instanceof NAryUnionPlanNode) {
// sanity check
if (in.getShipStrategy() != ShipStrategyType.FORWARD) {
throw new CompilerException("Bug: Plan generation for Unions picked a ship strategy between binary plan operators.");
}
if (!(in.getLocalStrategy() == null || in.getLocalStrategy() == LocalStrategy.NONE)) {
throw new CompilerException("Bug: Plan generation for Unions picked a local strategy between binary plan operators.");
}
inputs.addAll(((NAryUnionPlanNode) in.getSource()).getListOfInputs());
} else {
// is not a collapsed union node, so we take the channel directly
inputs.add(in);
}
}
Example 2
| Source File: BinaryUnionReplacer.java From flink with Apache License 2.0 | 6 votes |
|
public void collect(Channel in, List<Channel> inputs) {
if (in.getSource() instanceof NAryUnionPlanNode) {
// sanity check
if (in.getShipStrategy() != ShipStrategyType.FORWARD) {
throw new CompilerException("Bug: Plan generation for Unions picked a ship strategy between binary plan operators.");
}
if (!(in.getLocalStrategy() == null || in.getLocalStrategy() == LocalStrategy.NONE)) {
throw new CompilerException("Bug: Plan generation for Unions picked a local strategy between binary plan operators.");
}
inputs.addAll(((NAryUnionPlanNode) in.getSource()).getListOfInputs());
} else {
// is not a collapsed union node, so we take the channel directly
inputs.add(in);
}
}
Example 3
| Source File: BinaryUnionReplacer.java From flink with Apache License 2.0 | 6 votes |
|
public void collect(Channel in, List<Channel> inputs) {
if (in.getSource() instanceof NAryUnionPlanNode) {
// sanity check
if (in.getShipStrategy() != ShipStrategyType.FORWARD) {
throw new CompilerException("Bug: Plan generation for Unions picked a ship strategy between binary plan operators.");
}
if (!(in.getLocalStrategy() == null || in.getLocalStrategy() == LocalStrategy.NONE)) {
throw new CompilerException("Bug: Plan generation for Unions picked a local strategy between binary plan operators.");
}
inputs.addAll(((NAryUnionPlanNode) in.getSource()).getListOfInputs());
} else {
// is not a collapsed union node, so we take the channel directly
inputs.add(in);
}
}
Example 4
| Source File: AllGroupWithPartialPreGroupProperties.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
|
@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
if (in.getShipStrategy() == ShipStrategyType.FORWARD) {
// locally connected, directly instantiate
return new SingleInputPlanNode(node, "GroupReduce ("+node.getOperator().getName()+")",
in, DriverStrategy.ALL_GROUP_REDUCE);
} else {
// non forward case.plug in a combiner
Channel toCombiner = new Channel(in.getSource());
toCombiner.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
// create an input node for combine with same parallelism as input node
GroupReduceNode combinerNode = ((GroupReduceNode) node).getCombinerUtilityNode();
combinerNode.setParallelism(in.getSource().getParallelism());
SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode,
"Combine ("+node.getOperator().getName()+")", toCombiner, DriverStrategy.ALL_GROUP_REDUCE_COMBINE);
combiner.setCosts(new Costs(0, 0));
combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
Channel toReducer = new Channel(combiner);
toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(),
in.getShipStrategySortOrder(), in.getDataExchangeMode());
toReducer.setLocalStrategy(in.getLocalStrategy(), in.getLocalStrategyKeys(), in.getLocalStrategySortOrder());
return new SingleInputPlanNode(node, "GroupReduce ("+node.getOperator().getName()+")",
toReducer, DriverStrategy.ALL_GROUP_REDUCE);
}
}
Example 5
| Source File: AllReduceProperties.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
|
@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
if (in.getShipStrategy() == ShipStrategyType.FORWARD) {
// locally connected, directly instantiate
return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
in, DriverStrategy.ALL_REDUCE);
} else {
// non forward case.plug in a combiner
Channel toCombiner = new Channel(in.getSource());
toCombiner.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
// create an input node for combine with same parallelism as input node
ReduceNode combinerNode = ((ReduceNode) node).getCombinerUtilityNode();
combinerNode.setParallelism(in.getSource().getParallelism());
SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode,
"Combine ("+node.getOperator().getName()+")", toCombiner, DriverStrategy.ALL_REDUCE);
combiner.setCosts(new Costs(0, 0));
combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
Channel toReducer = new Channel(combiner);
toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(),
in.getShipStrategySortOrder(), in.getDataExchangeMode());
toReducer.setLocalStrategy(in.getLocalStrategy(), in.getLocalStrategyKeys(),
in.getLocalStrategySortOrder());
return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
toReducer, DriverStrategy.ALL_REDUCE);
}
}
Example 6
| Source File: RangePartitionRewriter.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
|
@Override
public void postVisit(PlanNode node) {
if(node instanceof IterationPlanNode) {
IterationPlanNode iNode = (IterationPlanNode)node;
if(!visitedIterationNodes.contains(iNode)) {
visitedIterationNodes.add(iNode);
iNode.acceptForStepFunction(this);
}
}
final Iterable<Channel> inputChannels = node.getInputs();
for (Channel channel : inputChannels) {
ShipStrategyType shipStrategy = channel.getShipStrategy();
// Make sure we only optimize the DAG for range partition, and do not optimize multi times.
if (shipStrategy == ShipStrategyType.PARTITION_RANGE) {
if(channel.getDataDistribution() == null) {
if (node.isOnDynamicPath()) {
throw new InvalidProgramException("Range Partitioning not supported within iterations if users do not supply the data distribution.");
}
PlanNode channelSource = channel.getSource();
List<Channel> newSourceOutputChannels = rewriteRangePartitionChannel(channel);
channelSource.getOutgoingChannels().remove(channel);
channelSource.getOutgoingChannels().addAll(newSourceOutputChannels);
}
}
}
}
Example 7
| Source File: AllGroupWithPartialPreGroupProperties.java From flink with Apache License 2.0 | 5 votes |
|
@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
if (in.getShipStrategy() == ShipStrategyType.FORWARD) {
// locally connected, directly instantiate
return new SingleInputPlanNode(node, "GroupReduce ("+node.getOperator().getName()+")",
in, DriverStrategy.ALL_GROUP_REDUCE);
} else {
// non forward case.plug in a combiner
Channel toCombiner = new Channel(in.getSource());
toCombiner.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
// create an input node for combine with same parallelism as input node
GroupReduceNode combinerNode = ((GroupReduceNode) node).getCombinerUtilityNode();
combinerNode.setParallelism(in.getSource().getParallelism());
SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode,
"Combine ("+node.getOperator().getName()+")", toCombiner, DriverStrategy.ALL_GROUP_REDUCE_COMBINE);
combiner.setCosts(new Costs(0, 0));
combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
Channel toReducer = new Channel(combiner);
toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(),
in.getShipStrategySortOrder(), in.getDataExchangeMode());
toReducer.setLocalStrategy(in.getLocalStrategy(), in.getLocalStrategyKeys(), in.getLocalStrategySortOrder());
return new SingleInputPlanNode(node, "GroupReduce ("+node.getOperator().getName()+")",
toReducer, DriverStrategy.ALL_GROUP_REDUCE);
}
}
Example 8
| Source File: AllReduceProperties.java From flink with Apache License 2.0 | 5 votes |
|
@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
if (in.getShipStrategy() == ShipStrategyType.FORWARD) {
// locally connected, directly instantiate
return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
in, DriverStrategy.ALL_REDUCE);
} else {
// non forward case.plug in a combiner
Channel toCombiner = new Channel(in.getSource());
toCombiner.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
// create an input node for combine with same parallelism as input node
ReduceNode combinerNode = ((ReduceNode) node).getCombinerUtilityNode();
combinerNode.setParallelism(in.getSource().getParallelism());
SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode,
"Combine ("+node.getOperator().getName()+")", toCombiner, DriverStrategy.ALL_REDUCE);
combiner.setCosts(new Costs(0, 0));
combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
Channel toReducer = new Channel(combiner);
toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(),
in.getShipStrategySortOrder(), in.getDataExchangeMode());
toReducer.setLocalStrategy(in.getLocalStrategy(), in.getLocalStrategyKeys(),
in.getLocalStrategySortOrder());
return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
toReducer, DriverStrategy.ALL_REDUCE);
}
}
Example 9
| Source File: RangePartitionRewriter.java From flink with Apache License 2.0 | 5 votes |
|
@Override
public void postVisit(PlanNode node) {
if(node instanceof IterationPlanNode) {
IterationPlanNode iNode = (IterationPlanNode)node;
if(!visitedIterationNodes.contains(iNode)) {
visitedIterationNodes.add(iNode);
iNode.acceptForStepFunction(this);
}
}
final Iterable<Channel> inputChannels = node.getInputs();
for (Channel channel : inputChannels) {
ShipStrategyType shipStrategy = channel.getShipStrategy();
// Make sure we only optimize the DAG for range partition, and do not optimize multi times.
if (shipStrategy == ShipStrategyType.PARTITION_RANGE) {
if(channel.getDataDistribution() == null) {
if (node.isOnDynamicPath()) {
throw new InvalidProgramException("Range Partitioning not supported within iterations if users do not supply the data distribution.");
}
PlanNode channelSource = channel.getSource();
List<Channel> newSourceOutputChannels = rewriteRangePartitionChannel(channel);
channelSource.getOutgoingChannels().remove(channel);
channelSource.getOutgoingChannels().addAll(newSourceOutputChannels);
}
}
}
}
Example 10
| Source File: AllGroupWithPartialPreGroupProperties.java From flink with Apache License 2.0 | 5 votes |
|
@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
if (in.getShipStrategy() == ShipStrategyType.FORWARD) {
// locally connected, directly instantiate
return new SingleInputPlanNode(node, "GroupReduce ("+node.getOperator().getName()+")",
in, DriverStrategy.ALL_GROUP_REDUCE);
} else {
// non forward case.plug in a combiner
Channel toCombiner = new Channel(in.getSource());
toCombiner.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
// create an input node for combine with same parallelism as input node
GroupReduceNode combinerNode = ((GroupReduceNode) node).getCombinerUtilityNode();
combinerNode.setParallelism(in.getSource().getParallelism());
SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode,
"Combine ("+node.getOperator().getName()+")", toCombiner, DriverStrategy.ALL_GROUP_REDUCE_COMBINE);
combiner.setCosts(new Costs(0, 0));
combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
Channel toReducer = new Channel(combiner);
toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(),
in.getShipStrategySortOrder(), in.getDataExchangeMode());
toReducer.setLocalStrategy(in.getLocalStrategy(), in.getLocalStrategyKeys(), in.getLocalStrategySortOrder());
return new SingleInputPlanNode(node, "GroupReduce ("+node.getOperator().getName()+")",
toReducer, DriverStrategy.ALL_GROUP_REDUCE);
}
}
Example 11
| Source File: AllReduceProperties.java From flink with Apache License 2.0 | 5 votes |
|
@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
if (in.getShipStrategy() == ShipStrategyType.FORWARD) {
// locally connected, directly instantiate
return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
in, DriverStrategy.ALL_REDUCE);
} else {
// non forward case.plug in a combiner
Channel toCombiner = new Channel(in.getSource());
toCombiner.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
// create an input node for combine with same parallelism as input node
ReduceNode combinerNode = ((ReduceNode) node).getCombinerUtilityNode();
combinerNode.setParallelism(in.getSource().getParallelism());
SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode,
"Combine ("+node.getOperator().getName()+")", toCombiner, DriverStrategy.ALL_REDUCE);
combiner.setCosts(new Costs(0, 0));
combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
Channel toReducer = new Channel(combiner);
toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(),
in.getShipStrategySortOrder(), in.getDataExchangeMode());
toReducer.setLocalStrategy(in.getLocalStrategy(), in.getLocalStrategyKeys(),
in.getLocalStrategySortOrder());
return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
toReducer, DriverStrategy.ALL_REDUCE);
}
}
Example 12
| Source File: RangePartitionRewriter.java From flink with Apache License 2.0 | 5 votes |
|
@Override
public void postVisit(PlanNode node) {
if(node instanceof IterationPlanNode) {
IterationPlanNode iNode = (IterationPlanNode)node;
if(!visitedIterationNodes.contains(iNode)) {
visitedIterationNodes.add(iNode);
iNode.acceptForStepFunction(this);
}
}
final Iterable<Channel> inputChannels = node.getInputs();
for (Channel channel : inputChannels) {
ShipStrategyType shipStrategy = channel.getShipStrategy();
// Make sure we only optimize the DAG for range partition, and do not optimize multi times.
if (shipStrategy == ShipStrategyType.PARTITION_RANGE) {
if(channel.getDataDistribution() == null) {
if (node.isOnDynamicPath()) {
throw new InvalidProgramException("Range Partitioning not supported within iterations if users do not supply the data distribution.");
}
PlanNode channelSource = channel.getSource();
List<Channel> newSourceOutputChannels = rewriteRangePartitionChannel(channel);
channelSource.getOutgoingChannels().remove(channel);
channelSource.getOutgoingChannels().addAll(newSourceOutputChannels);
}
}
}
}
Example 13
| Source File: GroupReduceWithCombineProperties.java From Flink-CEPplus with Apache License 2.0 | 4 votes |
|
@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
if (in.getShipStrategy() == ShipStrategyType.FORWARD) {
if(in.getSource().getOptimizerNode() instanceof PartitionNode) {
LOG.warn("Cannot automatically inject combiner for GroupReduceFunction. Please add an explicit combiner with combineGroup() in front of the partition operator.");
}
// adjust a sort (changes grouping, so it must be for this driver to combining sort
if (in.getLocalStrategy() == LocalStrategy.SORT) {
if (!in.getLocalStrategyKeys().isValidUnorderedPrefix(this.keys)) {
throw new RuntimeException("Bug: Inconsistent sort for group strategy.");
}
in.setLocalStrategy(LocalStrategy.COMBININGSORT, in.getLocalStrategyKeys(),
in.getLocalStrategySortOrder());
}
return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")", in,
DriverStrategy.SORTED_GROUP_REDUCE, this.keyList);
} else {
// non forward case. all local properties are killed anyways, so we can safely plug in a combiner
Channel toCombiner = new Channel(in.getSource());
toCombiner.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
// create an input node for combine with same parallelism as input node
GroupReduceNode combinerNode = ((GroupReduceNode) node).getCombinerUtilityNode();
combinerNode.setParallelism(in.getSource().getParallelism());
SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode, "Combine ("+node.getOperator()
.getName()+")", toCombiner, DriverStrategy.SORTED_GROUP_COMBINE);
combiner.setCosts(new Costs(0, 0));
combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
// set sorting comparator key info
combiner.setDriverKeyInfo(in.getLocalStrategyKeys(), in.getLocalStrategySortOrder(), 0);
// set grouping comparator key info
combiner.setDriverKeyInfo(this.keyList, 1);
Channel toReducer = new Channel(combiner);
toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(),
in.getShipStrategySortOrder(), in.getDataExchangeMode());
if (in.getShipStrategy() == ShipStrategyType.PARTITION_RANGE) {
toReducer.setDataDistribution(in.getDataDistribution());
}
toReducer.setLocalStrategy(LocalStrategy.COMBININGSORT, in.getLocalStrategyKeys(),
in.getLocalStrategySortOrder());
return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
toReducer, DriverStrategy.SORTED_GROUP_REDUCE, this.keyList);
}
}
Example 14
| Source File: GroupReduceWithCombineProperties.java From flink with Apache License 2.0 | 4 votes |
|
@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
if (in.getShipStrategy() == ShipStrategyType.FORWARD) {
if(in.getSource().getOptimizerNode() instanceof PartitionNode) {
LOG.warn("Cannot automatically inject combiner for GroupReduceFunction. Please add an explicit combiner with combineGroup() in front of the partition operator.");
}
// adjust a sort (changes grouping, so it must be for this driver to combining sort
if (in.getLocalStrategy() == LocalStrategy.SORT) {
if (!in.getLocalStrategyKeys().isValidUnorderedPrefix(this.keys)) {
throw new RuntimeException("Bug: Inconsistent sort for group strategy.");
}
in.setLocalStrategy(LocalStrategy.COMBININGSORT, in.getLocalStrategyKeys(),
in.getLocalStrategySortOrder());
}
return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")", in,
DriverStrategy.SORTED_GROUP_REDUCE, this.keyList);
} else {
// non forward case. all local properties are killed anyways, so we can safely plug in a combiner
Channel toCombiner = new Channel(in.getSource());
toCombiner.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
// create an input node for combine with same parallelism as input node
GroupReduceNode combinerNode = ((GroupReduceNode) node).getCombinerUtilityNode();
combinerNode.setParallelism(in.getSource().getParallelism());
SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode, "Combine ("+node.getOperator()
.getName()+")", toCombiner, DriverStrategy.SORTED_GROUP_COMBINE);
combiner.setCosts(new Costs(0, 0));
combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
// set sorting comparator key info
combiner.setDriverKeyInfo(in.getLocalStrategyKeys(), in.getLocalStrategySortOrder(), 0);
// set grouping comparator key info
combiner.setDriverKeyInfo(this.keyList, 1);
Channel toReducer = new Channel(combiner);
toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(),
in.getShipStrategySortOrder(), in.getDataExchangeMode());
if (in.getShipStrategy() == ShipStrategyType.PARTITION_RANGE) {
toReducer.setDataDistribution(in.getDataDistribution());
}
toReducer.setLocalStrategy(LocalStrategy.COMBININGSORT, in.getLocalStrategyKeys(),
in.getLocalStrategySortOrder());
return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
toReducer, DriverStrategy.SORTED_GROUP_REDUCE, this.keyList);
}
}
Example 15
| Source File: GroupReduceWithCombineProperties.java From flink with Apache License 2.0 | 4 votes |
|
@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
if (in.getShipStrategy() == ShipStrategyType.FORWARD) {
if(in.getSource().getOptimizerNode() instanceof PartitionNode) {
LOG.warn("Cannot automatically inject combiner for GroupReduceFunction. Please add an explicit combiner with combineGroup() in front of the partition operator.");
}
// adjust a sort (changes grouping, so it must be for this driver to combining sort
if (in.getLocalStrategy() == LocalStrategy.SORT) {
if (!in.getLocalStrategyKeys().isValidUnorderedPrefix(this.keys)) {
throw new RuntimeException("Bug: Inconsistent sort for group strategy.");
}
in.setLocalStrategy(LocalStrategy.COMBININGSORT, in.getLocalStrategyKeys(),
in.getLocalStrategySortOrder());
}
return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")", in,
DriverStrategy.SORTED_GROUP_REDUCE, this.keyList);
} else {
// non forward case. all local properties are killed anyways, so we can safely plug in a combiner
Channel toCombiner = new Channel(in.getSource());
toCombiner.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
// create an input node for combine with same parallelism as input node
GroupReduceNode combinerNode = ((GroupReduceNode) node).getCombinerUtilityNode();
combinerNode.setParallelism(in.getSource().getParallelism());
SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode, "Combine ("+node.getOperator()
.getName()+")", toCombiner, DriverStrategy.SORTED_GROUP_COMBINE);
combiner.setCosts(new Costs(0, 0));
combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
// set sorting comparator key info
combiner.setDriverKeyInfo(in.getLocalStrategyKeys(), in.getLocalStrategySortOrder(), 0);
// set grouping comparator key info
combiner.setDriverKeyInfo(this.keyList, 1);
Channel toReducer = new Channel(combiner);
toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(),
in.getShipStrategySortOrder(), in.getDataExchangeMode());
if (in.getShipStrategy() == ShipStrategyType.PARTITION_RANGE) {
toReducer.setDataDistribution(in.getDataDistribution());
}
toReducer.setLocalStrategy(LocalStrategy.COMBININGSORT, in.getLocalStrategyKeys(),
in.getLocalStrategySortOrder());
return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
toReducer, DriverStrategy.SORTED_GROUP_REDUCE, this.keyList);
}
}
