Package org.apache.flink.table.data.util

Class DataFormatConverters

java.lang.Object

org.apache.flink.table.data.util.DataFormatConverters

public class DataFormatConverters
extends Object

Converters between internal data format and java format.

The following scenarios will use converter for java format to internal data format: In source, data from user define source to internal sql engine. In udx return value, User outputs java format data to the SQL engine.

The following scenarios will use converter for internal data format to java format: In udx method parameters, data from internal sql engine need to be provided to user udx. In sink, data from internal sql engine need to be provided to user define sink.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	DataFormatConverters.AbstractRowDataConverter<E>	Abstract converter for internal base row.
static final class	DataFormatConverters.ArrayDataConverter	Converter for ArrayData.
static final class	DataFormatConverters.BigDecimalConverter	Converter for BigDecimal.
static final class	DataFormatConverters.BooleanConverter	Converter for boolean.
static final class	DataFormatConverters.ByteConverter	Converter for byte.
static final class	DataFormatConverters.CaseClassConverter	Converter for case class.
static class	DataFormatConverters.DataFormatConverter<Internal,External>	Converter between internal data format and java format.
static final class	DataFormatConverters.DateConverter	Converter for date.
static final class	DataFormatConverters.DecimalDataConverter	Converter for DecimalData.
static final class	DataFormatConverters.DoubleConverter	Converter for double.
static final class	DataFormatConverters.FloatConverter	Converter for float.
static final class	DataFormatConverters.GenericConverter<T>	Converter for RawValueData.
static class	DataFormatConverters.IdentityConverter<T>	Identity converter.
static final class	DataFormatConverters.InstantConverter	Converter for Instant.
static final class	DataFormatConverters.IntConverter	Converter for int.
static final class	DataFormatConverters.LocalDateConverter	Converter for LocalDate.
static final class	DataFormatConverters.LocalDateTimeConverter	Converter for LocalDateTime.
static final class	DataFormatConverters.LocalTimeConverter	Converter for LocalTime.
static final class	DataFormatConverters.LongConverter	Converter for long.
static final class	DataFormatConverters.LongTimestampDataConverter	Converter for Long and TimestampData.
static final class	DataFormatConverters.MapConverter	Converter for map.
static final class	DataFormatConverters.MapDataConverter	Converter for MapData.
static final class	DataFormatConverters.ObjectArrayConverter<T>	Converter for object array.
static final class	DataFormatConverters.PojoConverter<T>	Converter for pojo.
static final class	DataFormatConverters.PrimitiveBooleanArrayConverter	Converter for primitive boolean array.
static final class	DataFormatConverters.PrimitiveByteArrayConverter	Converter for primitive byte array.
static final class	DataFormatConverters.PrimitiveDoubleArrayConverter	Converter for primitive double array.
static final class	DataFormatConverters.PrimitiveFloatArrayConverter	Converter for primitive float array.
static final class	DataFormatConverters.PrimitiveIntArrayConverter	Converter for primitive int array.
static final class	DataFormatConverters.PrimitiveLongArrayConverter	Converter for primitive long array.
static final class	DataFormatConverters.PrimitiveShortArrayConverter	Converter for primitive short array.
static final class	DataFormatConverters.RawValueDataConverter	Converter for RawValueData.
static final class	DataFormatConverters.RowConverter	Converter for row.
static final class	DataFormatConverters.RowDataConverter	Converter for base row.
static final class	DataFormatConverters.ShortConverter	Converter for short.
static final class	DataFormatConverters.StringConverter	Converter for String.
static final class	DataFormatConverters.StringDataConverter	Converter for StringData.
static final class	DataFormatConverters.TimeConverter	Converter for time.
static final class	DataFormatConverters.TimestampConverter	Converter for timestamp.
static final class	DataFormatConverters.TimestampDataConverter	Converter for TimestampData class.
static final class	DataFormatConverters.TimestampLtzConverter	Converter for timestamp which doesn't consider the time zone.
static final class	DataFormatConverters.TupleConverter	Converter for flink tuple.

Constructor Summary

Constructors

Constructor	Description
DataFormatConverters()

Method Summary

Modifier and Type	Method	Description
static DataFormatConverters.DataFormatConverter	getConverterForDataType(org.apache.flink.table.types.DataType originDataType)	Get DataFormatConverters.DataFormatConverter for DataType.

Methods inherited from class java.lang.Object

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

Constructor Details

DataFormatConverters

public DataFormatConverters()

Method Details

getConverterForDataType

public static DataFormatConverters.DataFormatConverter getConverterForDataType(org.apache.flink.table.types.DataType originDataType)

Get DataFormatConverters.DataFormatConverter for DataType.

Parameters:

originDataType - DataFormatConverter is oriented to Java format, while LogicalType has lost its specific Java format. Only DataType retains all its Java format information.