Package org.apache.wayang.genericjdbc.operators

Class GenericJdbcProjectionOperator

java.lang.Object

org.apache.wayang.core.plan.wayangplan.OperatorBase

org.apache.wayang.core.plan.wayangplan.UnaryToUnaryOperator<InputType,OutputType>

org.apache.wayang.basic.operators.MapOperator<Record,Record>

org.apache.wayang.jdbc.operators.JdbcProjectionOperator

org.apache.wayang.genericjdbc.operators.GenericJdbcProjectionOperator

All Implemented Interfaces:

Serializable, ActualOperator, ElementaryOperator, ExecutionOperator, Operator, GenericJdbcExecutionOperator, JdbcExecutionOperator

public class GenericJdbcProjectionOperator
extends JdbcProjectionOperator
implements GenericJdbcExecutionOperator

GenericJdbc implementation of the FilterOperator.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.wayang.core.plan.wayangplan.OperatorBase

OperatorBase.GsonSerializer

Field Summary

Fields inherited from class org.apache.wayang.basic.operators.MapOperator

functionDescriptor

Fields inherited from class org.apache.wayang.core.plan.wayangplan.OperatorBase

inputSlots, outputSlots, STANDARD_OPERATOR_ARGS

Fields inherited from interface org.apache.wayang.core.plan.wayangplan.Operator

FIRST_EPOCH

Constructor Summary

Constructors

Constructor	Description
GenericJdbcProjectionOperator(String... fieldNames)
GenericJdbcProjectionOperator(ProjectionDescriptor<Record,Record> functionDescriptor)
GenericJdbcProjectionOperator(MapOperator<Record,Record> that)

Method Summary

Modifier and Type	Method	Description
protected GenericJdbcProjectionOperator	createCopy()

Methods inherited from class org.apache.wayang.jdbc.operators.JdbcProjectionOperator

createLoadProfileEstimator, createSqlClause, getFunctionDescriptor, getLoadProfileEstimatorConfigurationKey

Methods inherited from class org.apache.wayang.basic.operators.MapOperator

createCardinalityEstimator, createProjection, createProjection

Methods inherited from class org.apache.wayang.core.plan.wayangplan.UnaryToUnaryOperator

getInput, getInputType, getOutput, getOutputType

Methods inherited from class org.apache.wayang.core.plan.wayangplan.OperatorBase

accept, addBroadcastInput, addTargetPlatform, at, collectMappedInputSlots, collectMappedOutputSlots, copy, getAllInputs, getAllOutputs, getCardinalityEstimator, getContainer, getEpoch, getName, getOriginal, getSimpleClassName, getTargetPlatforms, isAuxiliary, isSupportingBroadcastInputs, propagateInputCardinality, propagateOutputCardinality, setAuxiliary, setCardinalityEstimator, setContainer, setEpoch, setName, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.wayang.core.plan.wayangplan.ActualOperator

accept

Methods inherited from interface org.apache.wayang.core.plan.wayangplan.ElementaryOperator

createCardinalityEstimator, getCardinalityEstimator, isAuxiliary, setAuxiliary, setCardinalityEstimator

Methods inherited from interface org.apache.wayang.core.plan.wayangplan.ExecutionOperator

copy, createLoadProfileEstimator, createOutputChannelInstances, getLimitBaseKey, getLoadProfileEstimatorConfigurationKey, getLoadProfileEstimatorConfigurationKeys, getOriginal, getOutputChannelDescriptor, isFiltered

Methods inherited from interface org.apache.wayang.genericjdbc.operators.GenericJdbcExecutionOperator

getPlatform

Methods inherited from interface org.apache.wayang.jdbc.operators.JdbcExecutionOperator

createSqlClause, getSupportedInputChannels, getSupportedOutputChannels

Methods inherited from interface org.apache.wayang.core.plan.wayangplan.Operator

addBroadcastInput, addTargetPlatform, broadcastTo, broadcastTo, collectMappedInputSlots, collectMappedOutputSlots, connectTo, connectTo, getAllInputs, getAllOutputs, getCardinalityPusher, getContainer, getEffectiveOccupant, getEffectiveOccupant, getEpoch, getEstimationContextProperties, getForwards, getInnermostLoop, getInput, getInput, getLoopStack, getName, getNumBroadcastInputs, getNumInputs, getNumOutputs, getNumRegularInputs, getOuterInputSlot, getOutermostInputSlot, getOutermostOutputSlots, getOutput, getOutput, getParent, getTargetPlatforms, isAlternative, isConversion, isElementary, isExecutionOperator, isFeedbackInput, isFeedforwardOutput, isLoopHead, isLoopSubplan, isOwnerOf, isReading, isSink, isSource, isSubplan, isSupportingBroadcastInputs, isUnconnected, propagateInputCardinality, propagateOutputCardinality, propagateOutputCardinality, replaceWith, setContainer, setEpoch, setInput, setName, setOutput

Constructor Details

GenericJdbcProjectionOperator

public GenericJdbcProjectionOperator(String... fieldNames)

GenericJdbcProjectionOperator

public GenericJdbcProjectionOperator(ProjectionDescriptor<Record,Record> functionDescriptor)

GenericJdbcProjectionOperator

public GenericJdbcProjectionOperator(MapOperator<Record,Record> that)

Method Details

createCopy

protected GenericJdbcProjectionOperator createCopy()

Overrides:

createCopy in class OperatorBase