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

Class ArrayAppendPrependTypeStrategy

java.lang.Object

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

All Implemented Interfaces:

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.

Constructor Summary

Constructors

Constructor and Description
ArrayAppendPrependTypeStrategy()

Method Summary

Modifier and Type	Method and Description
Optional<DataType>	inferType(CallContext callContext) Infers a type from the given function call.

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayAppendPrependTypeStrategy

public ArrayAppendPrependTypeStrategy()

Method Detail

inferType

public Optional<DataType> inferType(CallContext callContext)

Description copied from interface: TypeStrategy

Infers a type from the given function call.

Specified by:

inferType in interface TypeStrategy