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

Class SpecificInputTypeStrategies

java.lang.Object

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

@Internal
public final class SpecificInputTypeStrategies
extends Object

Entry point for specific input type strategies not covered in InputTypeStrategies.

This primarily serves the purpose of reducing visibility of individual type strategy implementations to avoid polluting the API classpath.

Field Summary

Fields

Modifier and Type	Field and Description
static InputTypeStrategy	ARRAY Strategy specific for BuiltInFunctionDefinitions.ARRAY.
static ArgumentTypeStrategy	ARRAY_ELEMENT_ARG Argument type derived from the array element type.
static InputTypeStrategy	CAST See CastInputTypeStrategy.
static InputTypeStrategy	CURRENT_WATERMARK See CurrentWatermarkTypeStrategy.
static InputTypeStrategy	EXTRACT See ExtractInputTypeStrategy.
static ArgumentTypeStrategy	JSON_ARGUMENT Argument type representing all types supported in a JSON context.
static InputTypeStrategy	JSON_OBJECT Input strategy for BuiltInFunctionDefinitions.JSON_OBJECT.
static InputTypeStrategy	MAP See MapInputTypeStrategy.
static InputTypeStrategy	TEMPORAL_OVERLAPS See TemporalOverlapsInputTypeStrategy.
static InputTypeStrategy	TWO_EQUALS_COMPARABLE Strategy that checks all types are equals comparable with each other.
static InputTypeStrategy	TWO_FULLY_COMPARABLE Strategy that checks all types are fully comparable with each other.

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

CAST

public static final InputTypeStrategy CAST

See CastInputTypeStrategy.

MAP

public static final InputTypeStrategy MAP

See MapInputTypeStrategy.

CURRENT_WATERMARK

public static final InputTypeStrategy CURRENT_WATERMARK

See CurrentWatermarkTypeStrategy.

JSON_ARGUMENT

public static final ArgumentTypeStrategy JSON_ARGUMENT

Argument type representing all types supported in a JSON context.

ARRAY_ELEMENT_ARG

public static final ArgumentTypeStrategy ARRAY_ELEMENT_ARG

Argument type derived from the array element type.

JSON_OBJECT

public static final InputTypeStrategy JSON_OBJECT

Input strategy for BuiltInFunctionDefinitions.JSON_OBJECT.

The first argument defines the on-null behavior and is followed by any number of key-value pairs. Keys must be character string literals, while values are arbitrary expressions.

EXTRACT

public static final InputTypeStrategy EXTRACT

See ExtractInputTypeStrategy.

TEMPORAL_OVERLAPS

public static final InputTypeStrategy TEMPORAL_OVERLAPS

See TemporalOverlapsInputTypeStrategy.

ARRAY

public static final InputTypeStrategy ARRAY

Strategy specific for BuiltInFunctionDefinitions.ARRAY.

It expects at least one argument. All the arguments must have a common super type.

TWO_FULLY_COMPARABLE

public static final InputTypeStrategy TWO_FULLY_COMPARABLE

Strategy that checks all types are fully comparable with each other. Requires exactly two arguments.

TWO_EQUALS_COMPARABLE

public static final InputTypeStrategy TWO_EQUALS_COMPARABLE

Strategy that checks all types are equals comparable with each other. Requires exactly two arguments.