io.delta.kernel.types

Class MapType

Object

io.delta.kernel.types.DataType

io.delta.kernel.types.MapType

@Evolving
public class MapType
extends DataType

Data type representing a map type.

Since:

3.0.0

Constructor Summary

Constructors

Constructor and Description
MapType(DataType keyType, DataType valueType, boolean valueContainsNull)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
boolean	equivalent(DataType dataType) Are the data types same? The metadata or column names could be different.
DataType	getKeyType()
DataType	getValueType()
int	hashCode()
boolean	isValueContainsNull()
String	toJson() Convert the data type to Delta protocol specified serialization format.
String	toString()

Methods inherited from class Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

MapType

public MapType(DataType keyType,
               DataType valueType,
               boolean valueContainsNull)

Method Detail

getKeyType

public DataType getKeyType()

getValueType

public DataType getValueType()

isValueContainsNull

public boolean isValueContainsNull()

equivalent

public boolean equivalent(DataType dataType)

Description copied from class: DataType

Are the data types same? The metadata or column names could be different.

Overrides:

equivalent in class DataType

Returns:

equals

public boolean equals(Object o)

Specified by:

equals in class DataType

hashCode

public int hashCode()

Specified by:

hashCode in class DataType

toJson

public String toJson()

Description copied from class: DataType

Convert the data type to Delta protocol specified serialization format.

Specified by:

toJson in class DataType

Returns:

Data type serialized in JSON format.

toString

public String toString()

Specified by:

toString in class DataType