pyarrow.dataset.field¶
- pyarrow.dataset.field(name)[source]¶
Reference a named column of the dataset.
Stores only the field’s name. Type and other information is known only when the expression is bound to a dataset having an explicit scheme.
- Parameters
- name
str
The name of the field the expression references to.
- name
- Returns
- field_expr
Expression
- field_expr