org.apache.flink.table.operations

Class ExternalQueryOperation<E>

java.lang.Object

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

Type Parameters:

E - External type of data stream

All Implemented Interfaces:

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.

Constructor Summary

Constructors

Constructor and Description
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)

Method Summary

Modifier and Type	Method and Description
<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()

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.operations.QueryOperation

asSerializableString

Constructor Detail

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)

Method Detail

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()

Specified by:

asSummaryString in interface org.apache.flink.table.operations.Operation

getChildren

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

Specified by:

getChildren in interface org.apache.flink.table.operations.QueryOperation

getResolvedSchema

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

Specified by:

getResolvedSchema in interface org.apache.flink.table.operations.QueryOperation

accept

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

Specified by:

accept in interface org.apache.flink.table.operations.QueryOperation