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

Class VaryingStringTypeStrategy

java.lang.Object

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

All Implemented Interfaces:

TypeStrategy

@Internal
public final class VaryingStringTypeStrategy
extends Object
implements TypeStrategy

A type strategy that ensures that the result type is either LogicalTypeRoot.VARCHAR or LogicalTypeRoot.VARBINARY from their corresponding non-varying roots.

Constructor Summary

Constructors

Constructor	Description
VaryingStringTypeStrategy(TypeStrategy initialStrategy)

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

VaryingStringTypeStrategy

public VaryingStringTypeStrategy(TypeStrategy initialStrategy)

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