org.apache.flink.table.types.inference

Class TypeTransformations

java.lang.Object

org.apache.flink.table.types.inference.TypeTransformations

@Internal
public class TypeTransformations
extends Object

Transformations for transforming one data type to another.

See Also:

TypeTransformation

Constructor Summary

Constructors

Constructor and Description
TypeTransformations()

Method Summary

Modifier and Type	Method and Description
static TypeTransformation	legacyDecimalToDefaultDecimal() Returns a type transformation that transforms legacy decimal data type to DECIMAL(38, 18).
static TypeTransformation	legacyRawToTypeInfoRaw() Returns a type transformation that transforms LEGACY('RAW', ...) type to the RAW(..., ?) type.
static TypeTransformation	timeToSqlTypes() Returns a type transformation that transforms data type to a new data type whose conversion class is Timestamp/Time/Date if the original data type is TIMESTAMP/TIME/DATE.
static TypeTransformation	toNullable() Returns a type transformation that transforms data type to nullable data type but keeps other information unchanged.

Methods inherited from class java.lang.Object

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

Constructor Detail

TypeTransformations

public TypeTransformations()

Method Detail

timeToSqlTypes

public static TypeTransformation timeToSqlTypes()

Returns a type transformation that transforms data type to a new data type whose conversion class is Timestamp/Time/Date if the original data type is TIMESTAMP/TIME/DATE.

legacyDecimalToDefaultDecimal

public static TypeTransformation legacyDecimalToDefaultDecimal()

Returns a type transformation that transforms legacy decimal data type to DECIMAL(38, 18).

legacyRawToTypeInfoRaw

public static TypeTransformation legacyRawToTypeInfoRaw()

Returns a type transformation that transforms LEGACY('RAW', ...) type to the RAW(..., ?) type.

toNullable

public static TypeTransformation toNullable()

Returns a type transformation that transforms data type to nullable data type but keeps other information unchanged.