org.apache.wayang.postgres.operators

Class PostgresTableSource

java.lang.Object

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

org.apache.wayang.core.plan.wayangplan.UnarySource<Record>

org.apache.wayang.basic.operators.TableSource

org.apache.wayang.jdbc.operators.JdbcTableSource

org.apache.wayang.postgres.operators.PostgresTableSource

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 PostgresTableSource
extends JdbcTableSource
implements PostgresExecutionOperator

PostgreSQL implementation for the TableSource.

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.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
PostgresTableSource(JdbcTableSource that) Copies an instance (exclusive of broadcasts).
PostgresTableSource(String tableName, String... columnNames) Creates a new instance.

Method Summary

Modifier and Type	Method and Description
List<org.apache.wayang.core.platform.ChannelDescriptor>	getSupportedInputChannels(int index)

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

createSqlClause, getCardinalityEstimator, getLoadProfileEstimatorConfigurationKey

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

getTableName

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

getOutput, getType

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

accept, addBroadcastInput, addTargetPlatform, at, collectMappedInputSlots, collectMappedOutputSlots, copy, createCopy, getAllInputs, getAllOutputs, 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, 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

PostgresTableSource

public PostgresTableSource(String tableName,
                           String... columnNames)

Creates a new instance.

See Also:

TableSource(String, String...)

PostgresTableSource

public PostgresTableSource(JdbcTableSource that)

Copies an instance (exclusive of broadcasts).

Parameters:

that - that should be copied

Method Detail

getSupportedInputChannels

public List<org.apache.wayang.core.platform.ChannelDescriptor> getSupportedInputChannels(int index)

Specified by:

getSupportedInputChannels in interface org.apache.wayang.core.plan.wayangplan.ExecutionOperator

Specified by:

getSupportedInputChannels in interface JdbcExecutionOperator