org.apache.flink.table.types.inference

Class TypeStrategies

java.lang.Object

org.apache.flink.table.types.inference.TypeStrategies

@Internal
public final class TypeStrategies
extends Object

Strategies for inferring an output or accumulator data type of a function call.

See Also:

TypeStrategy

Field Summary

Fields

Modifier and Type	Field and Description
static TypeStrategy	MISSING Placeholder for a missing type strategy.

Method Summary

Modifier and Type	Method and Description
static TypeStrategy	explicit(DataType dataType) Type strategy that returns a fixed DataType.
static TypeStrategy	mapping(Map<InputTypeStrategy,TypeStrategy> mappings) Type strategy that maps an InputTypeStrategy to a TypeStrategy if the input strategy infers identical types.

Methods inherited from class java.lang.Object

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

Field Detail

MISSING

public static final TypeStrategy MISSING

Placeholder for a missing type strategy.

Method Detail

explicit

public static TypeStrategy explicit(DataType dataType)

Type strategy that returns a fixed DataType.

mapping

public static TypeStrategy mapping(Map<InputTypeStrategy,TypeStrategy> mappings)

Type strategy that maps an InputTypeStrategy to a TypeStrategy if the input strategy infers identical types.