org.apache.flink.table.planner.plan.nodes.exec.batch

Class BatchExecOverAggregateBase

java.lang.Object

org.apache.flink.table.planner.plan.nodes.exec.ExecNodeBase<org.apache.flink.table.data.RowData>

org.apache.flink.table.planner.plan.nodes.exec.batch.BatchExecOverAggregateBase

All Implemented Interfaces:

BatchExecNode<org.apache.flink.table.data.RowData>, InputSortedExecNode<org.apache.flink.table.data.RowData>, ExecNode<org.apache.flink.table.data.RowData>, ExecNodeTranslator<org.apache.flink.table.data.RowData>, SingleTransformationTranslator<org.apache.flink.table.data.RowData>

Direct Known Subclasses:

BatchExecOverAggregate, BatchExecPythonOverAggregate

public abstract class BatchExecOverAggregateBase
extends ExecNodeBase<org.apache.flink.table.data.RowData>
implements InputSortedExecNode<org.apache.flink.table.data.RowData>, SingleTransformationTranslator<org.apache.flink.table.data.RowData>

Batch ExecNode base class for sort-based over window aggregate.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	BatchExecOverAggregateBase.OverWindowMode OverWindowMode describes the mode of a group in over window.

Field Summary

Fields

Modifier and Type	Field and Description
protected OverSpec	overSpec

Fields inherited from interface org.apache.flink.table.planner.plan.nodes.exec.ExecNode

FIELD_NAME_CONFIGURATION, FIELD_NAME_DESCRIPTION, FIELD_NAME_ID, FIELD_NAME_INPUT_PROPERTIES, FIELD_NAME_OUTPUT_TYPE, FIELD_NAME_TYPE

Constructor Summary

Constructors

Constructor and Description
BatchExecOverAggregateBase(int id, ExecNodeContext context, org.apache.flink.configuration.ReadableConfig persistedConfig, OverSpec overSpec, InputProperty inputProperty, org.apache.flink.table.types.logical.RowType outputType, String description)

Method Summary

Modifier and Type	Method and Description
protected List<RexLiteral>	getConstants()
protected org.apache.flink.table.types.logical.RowType	getInputTypeWithConstants()
protected BatchExecOverAggregateBase.OverWindowMode	inferGroupMode(OverSpec.GroupSpec group) Infer the over window mode based on given group info.
protected boolean	isSlidingWindow(OverSpec.GroupSpec group)
protected boolean	isUnboundedFollowingWindow(OverSpec.GroupSpec group)
protected boolean	isUnboundedPrecedingWindow(OverSpec.GroupSpec group)
protected boolean	isUnboundedWindow(OverSpec.GroupSpec group)

Methods inherited from class org.apache.flink.table.planner.plan.nodes.exec.ExecNodeBase

accept, createFormattedTransformationDescription, createFormattedTransformationName, createTransformationDescription, createTransformationMeta, createTransformationMeta, createTransformationName, createTransformationUid, getContextFromAnnotation, getDescription, getId, getInputEdges, getInputProperties, getOutputType, getPersistedConfig, getSimplifiedName, inputsContainSingleton, replaceInputEdge, setCompiled, setInputEdges, translateToPlan, translateToPlanInternal

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.table.planner.plan.nodes.exec.ExecNode

accept, getDescription, getId, getInputEdges, getInputProperties, getOutputType, replaceInputEdge, setCompiled, setInputEdges

Methods inherited from interface org.apache.flink.table.planner.plan.nodes.exec.ExecNodeTranslator

translateToPlan

Field Detail

overSpec

protected final OverSpec overSpec

Constructor Detail

BatchExecOverAggregateBase

public BatchExecOverAggregateBase(int id,
                                  ExecNodeContext context,
                                  org.apache.flink.configuration.ReadableConfig persistedConfig,
                                  OverSpec overSpec,
                                  InputProperty inputProperty,
                                  org.apache.flink.table.types.logical.RowType outputType,
                                  String description)

Method Detail

getInputTypeWithConstants

protected org.apache.flink.table.types.logical.RowType getInputTypeWithConstants()

isUnboundedWindow

protected boolean isUnboundedWindow(OverSpec.GroupSpec group)

isUnboundedPrecedingWindow

protected boolean isUnboundedPrecedingWindow(OverSpec.GroupSpec group)

isUnboundedFollowingWindow

protected boolean isUnboundedFollowingWindow(OverSpec.GroupSpec group)

isSlidingWindow

protected boolean isSlidingWindow(OverSpec.GroupSpec group)

getConstants

protected List<RexLiteral> getConstants()

inferGroupMode

protected BatchExecOverAggregateBase.OverWindowMode inferGroupMode(OverSpec.GroupSpec group)

Infer the over window mode based on given group info.