io.delta.kernel.internal.types

Class DataTypeJsonSerDe

Object

io.delta.kernel.internal.types.DataTypeJsonSerDe

public class DataTypeJsonSerDe
extends Object

Serialize and deserialize Delta data types DataType to JSON and from JSON class based on the serialization rules outlined in the Delta Protocol.

Method Summary

Modifier and Type	Method and Description
static StructType	deserializeStructType(String structTypeJson) Deserializes a JSON string representing a Delta data type to a DataType.
static String	serializeDataType(DataType dataType) Serializes a DataType to a JSON string according to the Delta Protocol.
static String	serializeStructType(StructType structType) Serializes a StructType to a JSON string

Methods inherited from class Object

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

Method Detail

serializeStructType

public static String serializeStructType(StructType structType)

Serializes a StructType to a JSON string

Parameters:

structType -

Returns:

serializeDataType

public static String serializeDataType(DataType dataType)

Serializes a DataType to a JSON string according to the Delta Protocol. TODO: Only reason why this API added was due to Flink-Kernel dependency. Currently Flink-Kernel uses the Kernel DataType.toJson and Standalone DataType.fromJson to convert between types.

Parameters:

dataType -

Returns:

JSON string representing the data type

deserializeStructType

public static StructType deserializeStructType(String structTypeJson)

Deserializes a JSON string representing a Delta data type to a DataType.

Parameters:

structTypeJson - JSON string representing a StructType data type