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

类 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

所有已实现的接口:

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.

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
ReplicateRowsFunction(org.apache.flink.table.functions.SpecializedFunction.SpecializedContext specializedContext)

方法概要

限定符和类型	方法和说明
void	eval(Object... inputs)

从类继承的方法 org.apache.flink.table.runtime.functions.table.BuiltInTableFunction

getArgumentDataTypes, getOutputDataType, getRequirements, getTypeInference, isDeterministic

从类继承的方法 org.apache.flink.table.functions.TableFunction

collect, finish, getKind, getParameterTypes, getResultType, setCollector

从类继承的方法 org.apache.flink.table.functions.UserDefinedFunction

close, functionIdentifier, open, toString

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.flink.table.functions.FunctionDefinition

supportsConstantFolding

构造器详细资料

ReplicateRowsFunction

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

方法详细资料

eval

public void eval(Object... inputs)