org.apache.flink.table.operations

Class CalculatedQueryOperation

java.lang.Object

org.apache.flink.table.operations.CalculatedQueryOperation

All Implemented Interfaces:

Operation, QueryOperation

@Internal
public class CalculatedQueryOperation
extends Object
implements QueryOperation

Describes a relational operation that was created from applying a TableFunction.

Constructor Summary

Constructors

Constructor and Description
CalculatedQueryOperation(FunctionDefinition functionDefinition, FunctionIdentifier functionIdentifier, List<ResolvedExpression> arguments, TableSchema tableSchema)

Method Summary

Modifier and Type	Method and Description
<U> U	accept(QueryOperationVisitor<U> visitor)
String	asSummaryString() Returns a string that summarizes this operation for printing to a console.
List<ResolvedExpression>	getArguments()
List<QueryOperation>	getChildren()
FunctionDefinition	getFunctionDefinition()
Optional<FunctionIdentifier>	getFunctionIdentifier()
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

CalculatedQueryOperation

public CalculatedQueryOperation(FunctionDefinition functionDefinition,
                                @Nullable
                                FunctionIdentifier functionIdentifier,
                                List<ResolvedExpression> arguments,
                                TableSchema tableSchema)

Method Detail

getFunctionDefinition

public FunctionDefinition getFunctionDefinition()

getFunctionIdentifier

public Optional<FunctionIdentifier> getFunctionIdentifier()

getArguments

public List<ResolvedExpression> getArguments()

getTableSchema

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

Specified by:

accept in interface QueryOperation