Package org.apache.wayang.sqlite3.operators

Class Sqlite3ProjectionOperator

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.sqlite3.operators.Sqlite3ProjectionOperator

All Implemented Interfaces:

Serializable, ActualOperator, ElementaryOperator, ExecutionOperator, Operator, JdbcExecutionOperator

public class Sqlite3ProjectionOperator
extends JdbcProjectionOperator

Implementation of the JdbcProjectionOperator for the Sqlite3Platform.

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
Sqlite3ProjectionOperator(Class<Record> inputClass, Class<Record> outputClass, String... fieldNames)
Sqlite3ProjectionOperator(ProjectionDescriptor<Record,Record> functionDescriptor)
Sqlite3ProjectionOperator(MapOperator<Record,Record> that)

Method Summary

Modifier and Type	Method	Description
Sqlite3Platform	getPlatform()

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, createCopy, 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, createOutputChannelInstances, getLimitBaseKey, getLoadProfileEstimatorConfigurationKeys, getOriginal, getOutputChannelDescriptor, isFiltered

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

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

Sqlite3ProjectionOperator

public Sqlite3ProjectionOperator(ProjectionDescriptor<Record,Record> functionDescriptor)

Sqlite3ProjectionOperator

public Sqlite3ProjectionOperator(Class<Record> inputClass,
 Class<Record> outputClass,
 String... fieldNames)

Sqlite3ProjectionOperator

public Sqlite3ProjectionOperator(MapOperator<Record,Record> that)

Method Details

getPlatform

public Sqlite3Platform getPlatform()

Returns:

the platform that can run this operator