org.apache.flink.table.runtime.operators.python.table

Class PythonTableFunctionOperator

java.lang.Object

org.apache.flink.streaming.api.operators.AbstractStreamOperator<OUT>

org.apache.flink.streaming.api.operators.python.AbstractPythonFunctionOperator<OUT>

org.apache.flink.streaming.api.operators.python.AbstractOneInputPythonFunctionOperator<IN,OUT>

org.apache.flink.table.runtime.operators.python.AbstractStatelessFunctionOperator<IN,OUT,UDTFIN>

org.apache.flink.table.runtime.operators.python.table.AbstractPythonTableFunctionOperator<org.apache.flink.table.runtime.types.CRow,org.apache.flink.table.runtime.types.CRow,org.apache.flink.types.Row>

org.apache.flink.table.runtime.operators.python.table.PythonTableFunctionOperator

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.state.CheckpointListener, org.apache.flink.streaming.api.operators.BoundedOneInput, org.apache.flink.streaming.api.operators.Input<org.apache.flink.table.runtime.types.CRow>, org.apache.flink.streaming.api.operators.KeyContext, org.apache.flink.streaming.api.operators.OneInputStreamOperator<org.apache.flink.table.runtime.types.CRow,org.apache.flink.table.runtime.types.CRow>, org.apache.flink.streaming.api.operators.SetupableStreamOperator<org.apache.flink.table.runtime.types.CRow>, org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.table.runtime.types.CRow>, org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator, org.apache.flink.util.Disposable

@Internal
public class PythonTableFunctionOperator
extends AbstractPythonTableFunctionOperator<org.apache.flink.table.runtime.types.CRow,org.apache.flink.table.runtime.types.CRow,org.apache.flink.types.Row>

The Python TableFunction operator for the legacy planner.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.flink.table.runtime.operators.python.table.AbstractPythonTableFunctionOperator

joinType, tableFunction

Fields inherited from class org.apache.flink.table.runtime.operators.python.AbstractStatelessFunctionOperator

bais, baisWrapper, baos, baosWrapper, forwardedInputQueue, inputType, outputType, userDefinedFunctionInputOffsets, userDefinedFunctionInputType, userDefinedFunctionOutputType

Fields inherited from class org.apache.flink.streaming.api.operators.python.AbstractPythonFunctionOperator

elementCount, maxBundleSize, pythonFunctionRunner

Fields inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperator

chainingStrategy, latencyStats, LOG, metrics, output, processingTimeService

Constructor Summary

Constructors

Constructor and Description
PythonTableFunctionOperator(org.apache.flink.configuration.Configuration config, org.apache.flink.table.functions.python.PythonFunctionInfo tableFunction, org.apache.flink.table.types.logical.RowType inputType, org.apache.flink.table.types.logical.RowType outputType, int[] udtfInputOffsets, org.apache.calcite.rel.core.JoinRelType joinType)

Method Summary

Modifier and Type	Method and Description
void	bufferInput(org.apache.flink.table.runtime.types.CRow input) Buffers the specified input, it will be used to construct the operator result together with the user-defined function execution result.
void	emitResult(org.apache.flink.api.java.tuple.Tuple2<byte[],Integer> resultTuple) Sends the execution result to the downstream operator.
org.apache.flink.types.Row	getFunctionInput(org.apache.flink.table.runtime.types.CRow element)
void	open()
void	processElementInternal(org.apache.flink.table.runtime.types.CRow value)

Methods inherited from class org.apache.flink.table.runtime.operators.python.table.AbstractPythonTableFunctionOperator

getFunctionUrn, getInputOutputCoderUrn, getPythonEnv, getUserDefinedFunctionsProto

Methods inherited from class org.apache.flink.table.runtime.operators.python.AbstractStatelessFunctionOperator

createPythonFunctionRunner, processElement

Methods inherited from class org.apache.flink.streaming.api.operators.python.AbstractOneInputPythonFunctionOperator

endInput

Methods inherited from class org.apache.flink.streaming.api.operators.python.AbstractPythonFunctionOperator

checkInvokeFinishBundleByCount, close, createPythonEnvironmentManager, dispose, emitResults, getConfig, getFlinkMetricContainer, getPythonConfig, invokeFinishBundle, isBundleFinished, prepareSnapshotPreBarrier, processWatermark, setCurrentKey, setPythonConfig

Methods inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperator

getChainingStrategy, getContainingTask, getCurrentKey, getExecutionConfig, getInternalTimerService, getKeyedStateBackend, getKeyedStateStore, getMetricGroup, getOperatorConfig, getOperatorID, getOperatorName, getOperatorStateBackend, getOrCreateKeyedState, getPartitionedState, getPartitionedState, getProcessingTimeService, getRuntimeContext, getTimeServiceManager, getUserCodeClassloader, initializeState, initializeState, isUsingCustomRawKeyedState, notifyCheckpointAborted, notifyCheckpointComplete, processLatencyMarker, processLatencyMarker1, processLatencyMarker2, processWatermark1, processWatermark2, reportOrForwardLatencyMarker, setChainingStrategy, setKeyContextElement1, setKeyContextElement2, setProcessingTimeService, setup, snapshotState, snapshotState

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.streaming.api.operators.OneInputStreamOperator

setKeyContextElement

Methods inherited from interface org.apache.flink.streaming.api.operators.StreamOperator

close, dispose, getMetricGroup, getOperatorID, initializeState, prepareSnapshotPreBarrier, setKeyContextElement1, setKeyContextElement2, snapshotState

Methods inherited from interface org.apache.flink.api.common.state.CheckpointListener

notifyCheckpointAborted, notifyCheckpointComplete

Methods inherited from interface org.apache.flink.streaming.api.operators.KeyContext

getCurrentKey, setCurrentKey

Methods inherited from interface org.apache.flink.streaming.api.operators.Input

processLatencyMarker, processWatermark

Constructor Detail

PythonTableFunctionOperator

public PythonTableFunctionOperator(org.apache.flink.configuration.Configuration config,
                                   org.apache.flink.table.functions.python.PythonFunctionInfo tableFunction,
                                   org.apache.flink.table.types.logical.RowType inputType,
                                   org.apache.flink.table.types.logical.RowType outputType,
                                   int[] udtfInputOffsets,
                                   org.apache.calcite.rel.core.JoinRelType joinType)

Method Detail

open

public void open()
          throws Exception

Specified by:

open in interface org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.table.runtime.types.CRow>

Overrides:

open in class AbstractPythonTableFunctionOperator<org.apache.flink.table.runtime.types.CRow,org.apache.flink.table.runtime.types.CRow,org.apache.flink.types.Row>

Throws:

Exception

emitResult

public void emitResult(org.apache.flink.api.java.tuple.Tuple2<byte[],Integer> resultTuple)
                throws Exception

Description copied from class: AbstractPythonFunctionOperator

Sends the execution result to the downstream operator.

Specified by:

emitResult in class AbstractPythonFunctionOperator<org.apache.flink.table.runtime.types.CRow>

Throws:

Exception

bufferInput

public void bufferInput(org.apache.flink.table.runtime.types.CRow input)

Description copied from class: AbstractStatelessFunctionOperator

Buffers the specified input, it will be used to construct the operator result together with the user-defined function execution result.

Specified by:

bufferInput in class AbstractStatelessFunctionOperator<org.apache.flink.table.runtime.types.CRow,org.apache.flink.table.runtime.types.CRow,org.apache.flink.types.Row>

getFunctionInput

public org.apache.flink.types.Row getFunctionInput(org.apache.flink.table.runtime.types.CRow element)

Specified by:

getFunctionInput in class AbstractStatelessFunctionOperator<org.apache.flink.table.runtime.types.CRow,org.apache.flink.table.runtime.types.CRow,org.apache.flink.types.Row>

processElementInternal

public void processElementInternal(org.apache.flink.table.runtime.types.CRow value)
                            throws Exception

Specified by:

processElementInternal in class AbstractStatelessFunctionOperator<org.apache.flink.table.runtime.types.CRow,org.apache.flink.table.runtime.types.CRow,org.apache.flink.types.Row>

Throws:

Exception