polars_parquet::arrow::read::statistics

Function deserialize

Source 
pub fn deserialize<'a>(
    field: &Field,
    field_md: impl ExactSizeIterator<Item = &'a ColumnChunkMetadata>,
) -> PolarsResult<Statistics>
Expand description

Deserializes the statistics in the column chunks from a single row_group into Statistics associated from field’s name.

§Errors

This function errors if the deserialization of the statistics fails (e.g. invalid utf8)