org.apache.flink.table.operations

Class CatalogQueryOperation

java.lang.Object

org.apache.flink.table.operations.CatalogQueryOperation

All Implemented Interfaces:

Operation, QueryOperation

@Internal
public class CatalogQueryOperation
extends Object
implements QueryOperation

Describes a relational operation that was created from a lookup to a catalog.

Constructor Summary

Constructors

Constructor and Description
CatalogQueryOperation(org.apache.flink.table.catalog.ObjectIdentifier tableIdentifier, org.apache.flink.table.api.TableSchema tableSchema)

Method Summary

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

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

CatalogQueryOperation

public CatalogQueryOperation(org.apache.flink.table.catalog.ObjectIdentifier tableIdentifier,
                             org.apache.flink.table.api.TableSchema tableSchema)

Method Detail

getTableIdentifier

public org.apache.flink.table.catalog.ObjectIdentifier getTableIdentifier()

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

getChildren

public List<QueryOperation> getChildren()

Specified by:

getChildren in interface QueryOperation

accept

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

Specified by:

accept in interface QueryOperation