接口的使用
org.apache.flink.table.dataformat.BaseMap

使用BaseMap的程序包

程序包	说明
org.apache.flink.table.dataformat
org.apache.flink.table.runtime.typeutils

org.apache.flink.table.dataformat中BaseMap的使用

实现BaseMap的org.apache.flink.table.dataformat中的类

限定符和类型	类和说明
class	BinaryMap [4 byte(keyArray size in bytes)] + [Key BinaryArray] + [Value BinaryArray].
class	GenericMap A GenericMap is a map where all the keys have the same type, and all the values have the same type.

返回BaseMap的org.apache.flink.table.dataformat中的方法

限定符和类型	方法和说明
BaseMap	TypeGetterSetters.getMap(int ordinal) Get map value, internal format is BaseMap.
BaseMap	NestedRow.getMap(int pos)
BaseMap	ColumnarRow.getMap(int ordinal)
BaseMap	UpdatableRow.getMap(int ordinal)
BaseMap	BinaryArray.getMap(int pos)
BaseMap	JoinedRow.getMap(int i)
BaseMap	ObjectArrayRow.getMap(int ordinal)
BaseMap	GenericArray.getMap(int pos)
BaseMap	BinaryRow.getMap(int pos)

参数类型为BaseMap的org.apache.flink.table.dataformat中的方法

限定符和类型	方法和说明
void	AbstractBinaryWriter.writeMap(int pos, BaseMap input, BaseMapSerializer serializer)
void	BinaryWriter.writeMap(int pos, BaseMap value, BaseMapSerializer serializer)

org.apache.flink.table.runtime.typeutils中BaseMap的使用

返回BaseMap的org.apache.flink.table.runtime.typeutils中的方法

限定符和类型	方法和说明
BaseMap	BaseMapSerializer.copy(BaseMap from) NOTE: Map should be a HashMap, when we insert the key/value pairs of the TreeMap into a HashMap, problems maybe occur.
BaseMap	BaseMapSerializer.copy(BaseMap from, BaseMap reuse)
BaseMap	BaseMapSerializer.createInstance()
BaseMap	BaseMapSerializer.deserialize(BaseMap reuse, org.apache.flink.core.memory.DataInputView source)
BaseMap	BaseMapSerializer.deserialize(org.apache.flink.core.memory.DataInputView source)

返回变量类型为BaseMap的类型的org.apache.flink.table.runtime.typeutils中的方法

限定符和类型	方法和说明
org.apache.flink.api.common.typeutils.TypeSerializer<BaseMap>	BaseMapSerializer.duplicate()
org.apache.flink.api.common.typeutils.TypeSerializerSchemaCompatibility<BaseMap>	BaseMapSerializer.BaseMapSerializerSnapshot.resolveSchemaCompatibility(org.apache.flink.api.common.typeutils.TypeSerializer<BaseMap> newSerializer)
org.apache.flink.api.common.typeutils.TypeSerializer<BaseMap>	BaseMapSerializer.BaseMapSerializerSnapshot.restoreSerializer()
org.apache.flink.api.common.typeutils.TypeSerializerSnapshot<BaseMap>	BaseMapSerializer.snapshotConfiguration()

参数类型为BaseMap的org.apache.flink.table.runtime.typeutils中的方法

限定符和类型	方法和说明
BaseMap	BaseMapSerializer.copy(BaseMap from) NOTE: Map should be a HashMap, when we insert the key/value pairs of the TreeMap into a HashMap, problems maybe occur.
BaseMap	BaseMapSerializer.copy(BaseMap from, BaseMap reuse)
BaseMap	BaseMapSerializer.deserialize(BaseMap reuse, org.apache.flink.core.memory.DataInputView source)
void	BaseMapSerializer.serialize(BaseMap record, org.apache.flink.core.memory.DataOutputView target)
BinaryMap	BaseMapSerializer.toBinaryMap(BaseMap from)

类型变量类型为BaseMap的org.apache.flink.table.runtime.typeutils中的方法参数

限定符和类型	方法和说明
org.apache.flink.api.common.typeutils.TypeSerializerSchemaCompatibility<BaseMap>	BaseMapSerializer.BaseMapSerializerSnapshot.resolveSchemaCompatibility(org.apache.flink.api.common.typeutils.TypeSerializer<BaseMap> newSerializer)