org.apache.flink.table.operations

Class TableSourceQueryOperation<T>

java.lang.Object

org.apache.flink.table.operations.TableSourceQueryOperation<T>

All Implemented Interfaces:

Operation, QueryOperation

@Internal
public class TableSourceQueryOperation<T>
extends Object
implements QueryOperation

Inline scan of a TableSource. Used only when a Table was created from TableEnvironment.fromTableSource(TableSource).

Constructor Summary

Constructors

Constructor and Description
TableSourceQueryOperation(org.apache.flink.table.sources.TableSource<T> tableSource, boolean isBatch)

Method Summary

Modifier and Type	Method and Description
<R> R	accept(QueryOperationVisitor<R> visitor)
String	asSummaryString() Returns a string that summarizes this operation for printing to a console.
List<QueryOperation>	getChildren()
org.apache.flink.table.api.TableSchema	getTableSchema() Resolved schema of this operation.
org.apache.flink.table.sources.TableSource<T>	getTableSource()
boolean	isBatch()

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

TableSourceQueryOperation

public TableSourceQueryOperation(org.apache.flink.table.sources.TableSource<T> tableSource,
                                 boolean isBatch)

Method Detail

getTableSchema

public org.apache.flink.table.api.TableSchema getTableSchema()

Description copied from interface: QueryOperation

Resolved schema of this operation.

Specified by:

getTableSchema in interface QueryOperation

asSummaryString

public String asSummaryString()

Description copied from interface: Operation

Returns a string that summarizes this operation for printing to a console. An implementation might skip very specific properties.

Specified by:

asSummaryString in interface Operation

Returns:

summary string of this operation for debugging purposes

getTableSource

public org.apache.flink.table.sources.TableSource<T> getTableSource()

isBatch

public boolean isBatch()

getChildren

public List<QueryOperation> getChildren()

Specified by:

getChildren in interface QueryOperation

accept

public <R> R accept(QueryOperationVisitor<R> visitor)

Specified by:

accept in interface QueryOperation