程序包 org.apache.flink.table.types

接口概要

接口	说明
AbstractDataType<T extends AbstractDataType<T>>	Highest abstraction that describes the data type of a value in the table ecosystem.
DataTypeQueryable	Indicates that a DataType can be retrieved from a class that implements this interfaces.
DataTypeVisitor<R>	The visitor definition of DataType.

类概要

类	说明
AtomicDataType	A data type that does not contain further data types (e.g.
CollectionDataType	A data type that contains an element type (e.g.
DataType	Describes the data type of a value in the table ecosystem.
FieldsDataType	A data type that contains field data types (i.e. row, structured, and distinct types).
KeyValueDataType	A data type that contains a key and value data type (e.g.
UnresolvedDataType	Partially resolved data type that requires a lookup in a catalog or configuration before creating the corresponding LogicalType.