datafusion_datasource_parquet::file_format

Function fetch_statistics

Source 
pub async fn fetch_statistics(
    store: &dyn ObjectStore,
    table_schema: SchemaRef,
    file: &ObjectMeta,
    metadata_size_hint: Option<usize>,
) -> Result<Statistics>
Expand description

Read and parse the statistics of the Parquet file at location path

See statistics_from_parquet_meta_calc for more details