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

Class CommonExecExpand

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.common.CommonExecExpand

All Implemented Interfaces:

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

Direct Known Subclasses:

BatchExecExpand, StreamExecExpand

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

Base ExecNode that can expand one row to multiple rows based on given projects.

Field Summary

Fields

Modifier and Type	Field and Description
static String	EXPAND_TRANSFORMATION
static String	FIELD_NAME_PROJECTS

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
CommonExecExpand(int id, ExecNodeContext context, org.apache.flink.configuration.ReadableConfig persistedConfig, List<List<org.apache.calcite.rex.RexNode>> projects, boolean retainHeader, List<InputProperty> inputProperties, org.apache.flink.table.types.logical.RowType outputType, String description)

Method Summary

Modifier and Type	Method and Description
protected org.apache.flink.api.dag.Transformation<org.apache.flink.table.data.RowData>	translateToPlanInternal(org.apache.flink.table.planner.delegation.PlannerBase planner, ExecNodeConfig config) Internal method, translates this node into a Flink operator.

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

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.ExecNodeTranslator

translateToPlan

Field Detail

EXPAND_TRANSFORMATION

public static final String EXPAND_TRANSFORMATION

See Also:

Constant Field Values

FIELD_NAME_PROJECTS

public static final String FIELD_NAME_PROJECTS

See Also:

Constant Field Values

Constructor Detail

CommonExecExpand

public CommonExecExpand(int id,
                        ExecNodeContext context,
                        org.apache.flink.configuration.ReadableConfig persistedConfig,
                        List<List<org.apache.calcite.rex.RexNode>> projects,
                        boolean retainHeader,
                        List<InputProperty> inputProperties,
                        org.apache.flink.table.types.logical.RowType outputType,
                        String description)

Method Detail

translateToPlanInternal

protected org.apache.flink.api.dag.Transformation<org.apache.flink.table.data.RowData> translateToPlanInternal(org.apache.flink.table.planner.delegation.PlannerBase planner,
                                                                                                               ExecNodeConfig config)

Description copied from class: ExecNodeBase

Internal method, translates this node into a Flink operator.

Specified by:

translateToPlanInternal in class ExecNodeBase<org.apache.flink.table.data.RowData>

Parameters:

planner - The planner.

config - per-ExecNode configuration that contains the merged configuration from various layers which all the nodes implementing this method should use, instead of retrieving configuration from the planner. For more details check ExecNodeConfig.