vortex-array 0.70.0

Vortex in memory columnar data format
Documentation 
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// SPDX-License-Identifier: Apache-2.0
// SPDX-FileCopyrightText: Copyright the Vortex contributors

use std::ops::BitAnd;

use vortex_error::VortexResult;
use vortex_mask::AllOr;

use super::MinMaxPartial;
use super::MinMaxResult;
use crate::ExecutionCtx;
use crate::arrays::BoolArray;
use crate::arrays::bool::BoolArrayExt;
use crate::dtype::Nullability::NonNullable;
use crate::scalar::Scalar;

pub(super) fn accumulate_bool(
    partial: &mut MinMaxPartial,
    array: &BoolArray,
    ctx: &mut ExecutionCtx,
) -> VortexResult<()> {
    if array.is_empty() {
        return Ok(());
    }

    let mask = array
        .as_ref()
        .validity()?
        .execute_mask(array.as_ref().len(), ctx)?;
    let (true_count, valid_count) = match mask.bit_buffer() {
        AllOr::None => return Ok(()),
        AllOr::All => (array.to_bit_buffer().true_count(), array.as_ref().len()),
        AllOr::Some(validity) => (
            array.to_bit_buffer().bitand(validity).true_count(),
            validity.true_count(),
        ),
    };

    if valid_count == 0 {
        return Ok(());
    }

    let (min, max) = if true_count == 0 {
        (false, false)
    } else if true_count == valid_count {
        (true, true)
    } else {
        (false, true)
    };

    partial.merge(Some(MinMaxResult {
        min: Scalar::bool(min, NonNullable),
        max: Scalar::bool(max, NonNullable),
    }));
    Ok(())
}