Trait polars_io::export::Statistics
source · [−]pub trait Statistics: Debug {
fn data_type(&self) -> &DataType;
fn as_any(&self) -> &(dyn Any + 'static);
fn null_count(&self) -> Option<i64>;
}
Expand description
Trait representing a deserialized parquet statistics into arrow.
Required methods
Returns dyn Any
can used to downcast to a physical type.
fn null_count(&self) -> Option<i64>
fn null_count(&self) -> Option<i64>
Return the null count statistic