Package org.apache.iotdb.db.mpp.transformation.dag.builder

Class EvaluationDAGBuilder

java.lang.Object

org.apache.iotdb.db.mpp.transformation.dag.builder.EvaluationDAGBuilder

public class EvaluationDAGBuilder
extends java.lang.Object

Constructor Summary

Constructors

Constructor	Description
EvaluationDAGBuilder(long queryId, QueryDataSetInputLayer inputLayer, java.util.Map<java.lang.String,java.util.List<InputLocation>> inputLocations, Expression[] outputExpressions, TypeProvider typeProvider, UDTFContext udtfContext, float memoryBudgetInMB)

Method Summary

Modifier and Type	Method	Description
EvaluationDAGBuilder	bindInputLayerColumnIndexWithExpression()
EvaluationDAGBuilder	buildLayerMemoryAssigner()
EvaluationDAGBuilder	buildResultColumnPointReaders()
LayerPointReader[]	getOutputPointReaders()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EvaluationDAGBuilder

public EvaluationDAGBuilder(long queryId,
                            QueryDataSetInputLayer inputLayer,
                            java.util.Map<java.lang.String,java.util.List<InputLocation>> inputLocations,
                            Expression[] outputExpressions,
                            TypeProvider typeProvider,
                            UDTFContext udtfContext,
                            float memoryBudgetInMB)

Method Detail

buildLayerMemoryAssigner

public EvaluationDAGBuilder buildLayerMemoryAssigner()

bindInputLayerColumnIndexWithExpression

public EvaluationDAGBuilder bindInputLayerColumnIndexWithExpression()

buildResultColumnPointReaders

public EvaluationDAGBuilder buildResultColumnPointReaders()
                                                   throws QueryProcessException,
                                                          java.io.IOException

Throws:

QueryProcessException

java.io.IOException

getOutputPointReaders

public LayerPointReader[] getOutputPointReaders()