org.apache.wayang.postgres.operators

Class PostgresProjectionOperator

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.postgres.operators.PostgresProjectionOperator

All Implemented Interfaces:

org.apache.wayang.core.plan.wayangplan.ActualOperator, org.apache.wayang.core.plan.wayangplan.ElementaryOperator, org.apache.wayang.core.plan.wayangplan.ExecutionOperator, org.apache.wayang.core.plan.wayangplan.Operator, JdbcExecutionOperator, PostgresExecutionOperator

public class PostgresProjectionOperator
extends JdbcProjectionOperator
implements PostgresExecutionOperator

PostgreSQL implementation of the FilterOperator.

Nested Class Summary

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

org.apache.wayang.core.plan.wayangplan.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 and Description
PostgresProjectionOperator(MapOperator<Record,Record> that)
PostgresProjectionOperator(ProjectionDescriptor<Record,Record> functionDescriptor)
PostgresProjectionOperator(String... fieldNames)

Method Summary

Modifier and Type	Method and Description
protected PostgresProjectionOperator	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.postgres.operators.PostgresExecutionOperator

getPlatform

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

createSqlClause, getSupportedInputChannels, getSupportedOutputChannels

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

copy, createLoadProfileEstimator, createLoadProfileEstimators, createOutputChannelInstances, getLimitBaseKey, getLoadProfileEstimatorConfigurationKey, getLoadProfileEstimatorConfigurationKeys, getOriginal, getOutputChannelDescriptor, isFiltered, modelEagerExecution, modelLazyExecution, modelQuasiEagerExecution

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.ActualOperator

accept

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, isElementary, isExecutionOperator, isFeedbackInput, isFeedforwardOutput, isLoopHead, isLoopSubplan, isOwnerOf, isReading, isSink, isSource, isSubplan, isSupportingBroadcastInputs, isUnconnected, propagateInputCardinality, propagateOutputCardinality, propagateOutputCardinality, setContainer, setEpoch, setInput, setName, setOutput

Constructor Detail

PostgresProjectionOperator

public PostgresProjectionOperator(String... fieldNames)

PostgresProjectionOperator

public PostgresProjectionOperator(ProjectionDescriptor<Record,Record> functionDescriptor)

PostgresProjectionOperator

public PostgresProjectionOperator(MapOperator<Record,Record> that)

Method Detail

createCopy

protected PostgresProjectionOperator createCopy()

Overrides:

createCopy in class org.apache.wayang.core.plan.wayangplan.OperatorBase