Trait polars::export::arrow::io::parquet::read::statistics::Statistics

source · [−]
pub trait Statistics: Debug {
    fn data_type(&self) -> &DataType;

    fn as_any(&self) -> &(dyn Any + 'static);

    fn null_count(&self) -> Option<i64>;
}
This is supported on crate feature io_parquet only.
Expand description

Trait representing a deserialized parquet statistics into arrow.

Required methods

returns the DataType of the statistics.

Returns dyn Any can used to downcast to a physical type.

Return the null count statistic

Trait Implementations

This method tests for self and other values to be equal, and is used by ==. Read more

This method tests for !=.

Implementors