polars_io::parquet::metadata

Function deserialize

Source 
pub fn deserialize<'a>(
    field: &Field,
    field_md: impl ExactSizeIterator<Item = &'a ColumnChunkMetadata>,
) -> Result<Statistics, PolarsError>
Available on crate feature parquet only.
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)