The Type Hierarchy — SQLAlchemy 2.0 Documentation

The Type Hierarchy¶ SQLAlchemy provides abstractions for most common database data types, as well as several techniques for customization of datatypes. Database types are represented using Python classes, all of which ultimately extend from the base type class known as TypeEngine. There are two general categories of datatypes, each of which express themselves within the typing hierarchy in differe

[somemo]

“Changed in version 1.1: the Enum type now provides in-Python validation of input values as well as on data being returned by the database. ”

[fulabo77]

SQLAlchemyでColumnの中で指定するデータタイプについてのドキュメント。重要。