org.apache.flink.table.dataformat

接口 BaseMap

所有已知实现类:

BinaryMap, GenericMap

public interface BaseMap

An interface for map used internally in Flink Table/SQL.

There are different implementations depending on the scenario: After serialization, it becomes the BinaryMap format. Convenient updates use the GenericMap format.

方法概要

限定符和类型	方法和说明
int	numElements() Invoke by codeGens.
Map	toJavaMap(org.apache.flink.table.types.logical.LogicalType keyType, org.apache.flink.table.types.logical.LogicalType valueType) This method will return a Java map containing INTERNAL type data.

方法详细资料

numElements

int numElements()

Invoke by codeGens.

toJavaMap

Map toJavaMap(org.apache.flink.table.types.logical.LogicalType keyType,
              org.apache.flink.table.types.logical.LogicalType valueType)

This method will return a Java map containing INTERNAL type data. If you want a Java map containing external type data, you have to use converters.