vortex_scan/
row_mask.rs

1// SPDX-License-Identifier: Apache-2.0
2// SPDX-FileCopyrightText: Copyright the Vortex contributors
3
4//! A mask over a range of rows.
5
6use std::ops::Range;
7
8use vortex_mask::Mask;
9
10/// A RowMask captures a set of selected rows within a row range.
11///
12/// The range itself can be [`u64`], but the length of the range must fit into a [`usize`], this
13/// allows us to use a `usize` filter mask within a much larger file.
14#[derive(Debug, Clone)]
15pub struct RowMask {
16    row_offset: u64,
17    mask: Mask,
18}
19
20impl RowMask {
21    /// Create a new row range.
22    #[inline]
23    pub fn new(row_offset: u64, mask: Mask) -> Self {
24        Self { row_offset, mask }
25    }
26
27    #[inline]
28    /// The row range of the [`RowMask`].
29    pub fn row_range(&self) -> Range<u64> {
30        self.row_offset..self.row_offset + self.mask.len() as u64
31    }
32
33    /// The mask of the [`RowMask`].
34    #[inline]
35    pub fn mask(&self) -> &Mask {
36        &self.mask
37    }
38}
vortex_scan/row_mask.rs

vortex_scan/
row_mask.rs
