schema¶

schema(row_spec, *, order_columns=True, missing_columns='error', extra_columns='drop', validate=True)[source]¶

Creates a dataframe schema from a row specification dataclass

For detailed description of the keyword arguments, look up the Schema attributes documentation.

Parameters

row_spec (Type[TypeVar(_RowSpec)]) – Data class specifying a dataframe row

Keyword Arguments

order_columns – Whether to order the dataframe columns as in the specification
missing_columns – What to do with missing columns
extra_columns – What to do with extra columns
validate – Whether to perform validation

Return type

Schema[TypeVar(_RowSpec)]

Returns

A dataframe schema

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