def column_datatype_to_string(cls, sqla_column_type: TypeEngine,
dialect: Dialect) -> str:
"""
Convert sqlalchemy column type to string representation.
By default removes collation and character encoding info to avoid unnecessarily
long datatypes.
:param sqla_column_type: SqlAlchemy column type
:param dialect: Sqlalchemy dialect
:return: Compiled column type
"""
sqla_column_type = sqla_column_type.copy()
if hasattr(sqla_column_type, "collation"):
sqla_column_type.collation = None
if hasattr(sqla_column_type, "charset"):
sqla_column_type.charset = None
return sqla_column_type.compile(dialect=dialect).upper()
def column_datatype_to_string(cls, sqla_column_type: TypeEngine,
dialect: Dialect) -> str:
"""
Convert sqlalchemy column type to string representation. Can be overridden to remove
unnecessary details, especially collation info (see mysql, mssql).
:param sqla_column_type: SqlAlchemy column type
:param dialect: Sqlalchemy dialect
:return: Compiled column type
"""
return sqla_column_type.compile(dialect=dialect).upper()
