Parquet Metadata Sort Order (metadata/sort.rs)

Defines sort order logic for Parquet column statistics and metadata. Use this to ensure correct data comparison and filtering when processing Parquet files.

// Source: https://github.com/pola-rs/polars | License: MIT | Copyright 2025 Ritchie Vink
// Provided via justclaw.it.com; keep this notice with the code.
#[cfg(feature = "serde")]
use serde::{Deserialize, Serialize};

use crate::parquet::schema::types::{
    IntegerType, PhysicalType, PrimitiveConvertedType, PrimitiveLogicalType,
};

/// Sort order for page and column statistics.
///
/// Types are associated with sort orders and column stats are aggregated using a sort
/// order, and a sort order should be considered when comparing values with statistics
/// min/max.
///
/// See reference in
/// <https://github.com/apache/parquet-cpp/blob/master/src/parquet/types.h>
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
#[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
pub enum SortOrd

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