geofileops.add_column

geofileops.add_column(path: Union[str, PathLike[Any]], name: str, type: Union[DataType, str], expression: Optional[Union[str, int, float]] = None, expression_dialect: Optional[str] = None, layer: Optional[str] = None, force_update: bool = False, width: Optional[int] = None)

Add a column to a layer of the geofile.

Parameters:

• path (PathLike) – Path to the geofile.

• name (str) – Name for the new column.

• type (str) – Column type of the new column.

• expression (str, optional) – SQLite expression to use to update the value. Defaults to None.

• expression_dialect (str, optional) – SQL dialect used for the expression.

• layer (str, optional) – The layer name. If None and the geofile has only one layer, that layer is used. Defaults to None.

• force_update (bool, optional) – If the column already exists, execute the update anyway. Defaults to False.

• width (int, optional) – the width of the field.

Raises:

ex – [description]