org.apache.flink.table.operations

Class ValuesQueryOperation

java.lang.Object

org.apache.flink.table.operations.ValuesQueryOperation

All Implemented Interfaces:

Operation, QueryOperation

@Internal
public class ValuesQueryOperation
extends Object
implements QueryOperation

Table operation that computes new table using given Expressions from its input relational operation.

Constructor Summary

Constructors

Constructor and Description
ValuesQueryOperation(List<List<ResolvedExpression>> values, ResolvedSchema resolvedSchema)

Method Summary

Modifier and Type	Method and Description
<T> T	accept(QueryOperationVisitor<T> visitor)
String	asSerializableString() Returns a string that fully serializes this instance.
String	asSummaryString() Returns a string that summarizes this operation for printing to a console.
boolean	equals(Object o)
List<QueryOperation>	getChildren()
ResolvedSchema	getResolvedSchema() Resolved schema of this operation.
List<List<ResolvedExpression>>	getValues()
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ValuesQueryOperation

public ValuesQueryOperation(List<List<ResolvedExpression>> values,
                            ResolvedSchema resolvedSchema)

Method Detail

getValues

public List<List<ResolvedExpression>> getValues()

getResolvedSchema

public ResolvedSchema getResolvedSchema()

Description copied from interface: QueryOperation

Resolved schema of this operation.

Specified by:

getResolvedSchema 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

asSerializableString

public String asSerializableString()

Description copied from interface: QueryOperation

Returns a string that fully serializes this instance. The serialized string can be used for storing the query in e.g. a Catalog as a view.

Specified by:

asSerializableString in interface QueryOperation

Returns:

detailed string for persisting in a catalog

See Also:

Operation.asSummaryString()

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

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object