org.apache.flink.table.runtime.functions.table

Class ReplicateRowsFunction

java.lang.Object

org.apache.flink.table.functions.UserDefinedFunction

org.apache.flink.table.functions.TableFunction<T>

org.apache.flink.table.runtime.functions.table.BuiltInTableFunction<org.apache.flink.table.data.RowData>

org.apache.flink.table.runtime.functions.table.ReplicateRowsFunction

All Implemented Interfaces:

Serializable, org.apache.flink.table.functions.FunctionDefinition

@Internal
public class ReplicateRowsFunction
extends BuiltInTableFunction<org.apache.flink.table.data.RowData>

Replicate the row N times. N is specified as the first argument to the function. This is an internal function solely used by optimizer to rewrite EXCEPT ALL AND INTERSECT ALL queries.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ReplicateRowsFunction(org.apache.flink.table.functions.SpecializedFunction.SpecializedContext specializedContext)

Method Summary

Modifier and Type	Method and Description
void	eval(Object... inputs)

Methods inherited from class org.apache.flink.table.runtime.functions.table.BuiltInTableFunction

getArgumentDataTypes, getOutputDataType, getRequirements, getTypeInference, isDeterministic

Methods inherited from class org.apache.flink.table.functions.TableFunction

collect, finish, getKind, getParameterTypes, getResultType, setCollector

Methods inherited from class org.apache.flink.table.functions.UserDefinedFunction

close, functionIdentifier, open, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ReplicateRowsFunction

public ReplicateRowsFunction(org.apache.flink.table.functions.SpecializedFunction.SpecializedContext specializedContext)

Method Detail

eval

public void eval(Object... inputs)