Function polars::frame::row::rows_to_supertypes

source ·
pub fn rows_to_supertypes(
    rows: &[Row<'_>],
    infer_schema_length: Option<usize>
) -> Result<Vec<DataType>, PolarsError>
Available on crate features rows or object only.
Expand description

Infer the schema data types of rows by determining the supertype of the values.