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

Class CommonTypeStrategy

java.lang.Object

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

All Implemented Interfaces:

TypeStrategy

@Internal
public final class CommonTypeStrategy
extends Object
implements TypeStrategy

Type strategy that returns a common, least restrictive type of selected arguments.

Constructor Summary

Constructors

Constructor	Description
CommonTypeStrategy()
CommonTypeStrategy(ArgumentCount argumentRange)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
int	hashCode()
Optional<DataType>	inferType(CallContext callContext)	Infers a type from the given function call.

Methods inherited from class java.lang.Object

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

Constructor Details

CommonTypeStrategy

public CommonTypeStrategy()

CommonTypeStrategy

public CommonTypeStrategy(ArgumentCount argumentRange)

Method Details

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

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object