org.apache.flink.table.operations

类 ExternalQueryOperation<E>

java.lang.Object

org.apache.flink.table.operations.ExternalQueryOperation<E>

类型参数:

E - External type of data stream

所有已实现的接口:

org.apache.flink.table.operations.Operation, org.apache.flink.table.operations.QueryOperation

@Internal
public final class ExternalQueryOperation<E>
extends Object
implements org.apache.flink.table.operations.QueryOperation

Describes a relational operation that reads from a DataStream.

It contains all information necessary to perform a stream-to-table conversion.

构造器概要

构造器

构造器和说明
ExternalQueryOperation(org.apache.flink.table.catalog.ContextResolvedTable contextResolvedTable, org.apache.flink.streaming.api.datastream.DataStream<E> dataStream, org.apache.flink.table.types.DataType physicalDataType, boolean isTopLevelRecord, org.apache.flink.table.connector.ChangelogMode changelogMode)

方法概要

限定符和类型	方法和说明
<T> T	accept(org.apache.flink.table.operations.QueryOperationVisitor<T> visitor)
String	asSummaryString()
org.apache.flink.table.connector.ChangelogMode	getChangelogMode()
List<org.apache.flink.table.operations.QueryOperation>	getChildren()
org.apache.flink.table.catalog.ContextResolvedTable	getContextResolvedTable()
org.apache.flink.streaming.api.datastream.DataStream<E>	getDataStream()
org.apache.flink.table.types.DataType	getPhysicalDataType()
org.apache.flink.table.catalog.ResolvedSchema	getResolvedSchema()
boolean	isTopLevelRecord()

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.flink.table.operations.QueryOperation

asSerializableString

构造器详细资料

ExternalQueryOperation

public ExternalQueryOperation(org.apache.flink.table.catalog.ContextResolvedTable contextResolvedTable,
                              org.apache.flink.streaming.api.datastream.DataStream<E> dataStream,
                              org.apache.flink.table.types.DataType physicalDataType,
                              boolean isTopLevelRecord,
                              org.apache.flink.table.connector.ChangelogMode changelogMode)

方法详细资料

getContextResolvedTable

public org.apache.flink.table.catalog.ContextResolvedTable getContextResolvedTable()

getDataStream

public org.apache.flink.streaming.api.datastream.DataStream<E> getDataStream()

getPhysicalDataType

public org.apache.flink.table.types.DataType getPhysicalDataType()

isTopLevelRecord

public boolean isTopLevelRecord()

getChangelogMode

public org.apache.flink.table.connector.ChangelogMode getChangelogMode()

asSummaryString

public String asSummaryString()

指定者:

asSummaryString 在接口中 org.apache.flink.table.operations.Operation

getChildren

public List<org.apache.flink.table.operations.QueryOperation> getChildren()

指定者:

getChildren 在接口中 org.apache.flink.table.operations.QueryOperation

getResolvedSchema

public org.apache.flink.table.catalog.ResolvedSchema getResolvedSchema()

指定者:

getResolvedSchema 在接口中 org.apache.flink.table.operations.QueryOperation

accept

public <T> T accept(org.apache.flink.table.operations.QueryOperationVisitor<T> visitor)

指定者:

accept 在接口中 org.apache.flink.table.operations.QueryOperation