def METHOD_NAME(cls, d: dict) -> "ColumnDefinition":
    return cls(
        name=d["name"],
        source_sql_type=d.get("source_sql_type"),
        sql_type=d.get("sql_type"),
        expression=d.get("expression"),
        type_=d.get("type"),
        not_null=d.get("not_null"),
        identity=d.get("identity"),
        encoding=d.get("encoding"),
    )