org.apache.flink.table.types.inference.strategies

类 ArrayAppendPrependTypeStrategy

java.lang.Object

org.apache.flink.table.types.inference.strategies.ArrayAppendPrependTypeStrategy

所有已实现的接口:

TypeStrategy

@Internal
public class ArrayAppendPrependTypeStrategy
extends Object
implements TypeStrategy

Type strategy that returns a DataTypes.ARRAY(DataType) with element type equal to the type of the first argument if it's not nullable or element to add is not nullable, otherwise it returns DataTypes.ARRAY(DataType) with type equal to the type of the element to add to array.

构造器概要

构造器

构造器和说明
ArrayAppendPrependTypeStrategy()

方法概要

限定符和类型	方法和说明
Optional<DataType>	inferType(CallContext callContext) Infers a type from the given function call.

从类继承的方法 java.lang.Object

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

构造器详细资料

ArrayAppendPrependTypeStrategy

public ArrayAppendPrependTypeStrategy()

方法详细资料

inferType

public Optional<DataType> inferType(CallContext callContext)

从接口复制的说明: TypeStrategy

Infers a type from the given function call.

指定者:

inferType 在接口中 TypeStrategy