@ExecNodeMetadata(name="stream-exec-join", version=1, producedTransformations="join", minPlanVersion=v1_15, minStateVersion=v1_15) public class StreamExecJoin extends ExecNodeBase<org.apache.flink.table.data.RowData> implements StreamExecNode<org.apache.flink.table.data.RowData>, SingleTransformationTranslator<org.apache.flink.table.data.RowData>
StreamExecNode for regular Joins.
Regular joins are the most generic type of join in which any new records or changes to either side of the join input are visible and are affecting the whole join result.
| 限定符和类型 | 字段和说明 |
|---|---|
static String |
FIELD_NAME_JOIN_SPEC |
static String |
FIELD_NAME_LEFT_UNIQUE_KEYS |
static String |
FIELD_NAME_RIGHT_UNIQUE_KEYS |
static String |
JOIN_TRANSFORMATION |
FIELD_NAME_CONFIGURATION, FIELD_NAME_DESCRIPTION, FIELD_NAME_ID, FIELD_NAME_INPUT_PROPERTIES, FIELD_NAME_OUTPUT_TYPE, FIELD_NAME_TYPE| 构造器和说明 |
|---|
StreamExecJoin(int id,
ExecNodeContext context,
org.apache.flink.configuration.ReadableConfig persistedConfig,
JoinSpec joinSpec,
List<int[]> leftUniqueKeys,
List<int[]> rightUniqueKeys,
List<InputProperty> inputProperties,
org.apache.flink.table.types.logical.RowType outputType,
String description) |
StreamExecJoin(org.apache.flink.configuration.ReadableConfig tableConfig,
JoinSpec joinSpec,
List<int[]> leftUniqueKeys,
List<int[]> rightUniqueKeys,
InputProperty leftInputProperty,
InputProperty rightInputProperty,
org.apache.flink.table.types.logical.RowType outputType,
String description) |
| 限定符和类型 | 方法和说明 |
|---|---|
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.
|
accept, createFormattedTransformationDescription, createFormattedTransformationName, createTransformationDescription, createTransformationMeta, createTransformationMeta, createTransformationName, createTransformationUid, getContextFromAnnotation, getDescription, getId, getInputEdges, getInputProperties, getOutputType, getPersistedConfig, getSimplifiedName, inputsContainSingleton, replaceInputEdge, setInputEdges, translateToPlanclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitaccept, getDescription, getId, getInputEdges, getInputProperties, getOutputType, replaceInputEdge, setInputEdgestranslateToPlanpublic StreamExecJoin(org.apache.flink.configuration.ReadableConfig tableConfig,
JoinSpec joinSpec,
List<int[]> leftUniqueKeys,
List<int[]> rightUniqueKeys,
InputProperty leftInputProperty,
InputProperty rightInputProperty,
org.apache.flink.table.types.logical.RowType outputType,
String description)
public StreamExecJoin(int id,
ExecNodeContext context,
org.apache.flink.configuration.ReadableConfig persistedConfig,
JoinSpec joinSpec,
List<int[]> leftUniqueKeys,
List<int[]> rightUniqueKeys,
List<InputProperty> inputProperties,
org.apache.flink.table.types.logical.RowType outputType,
String 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)
ExecNodeBasetranslateToPlanInternal 在类中 ExecNodeBase<org.apache.flink.table.data.RowData>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.Copyright © 2014–2022 The Apache Software Foundation. All rights reserved.