vortex-array 0.62.0

Vortex in memory columnar data format
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25

// SPDX-License-Identifier: Apache-2.0
// SPDX-FileCopyrightText: Copyright the Vortex contributors

use std::ops::Range;

use vortex_error::VortexResult;

use crate::ArrayRef;
use crate::IntoArray;
use crate::arrays::SliceArray;
use crate::arrays::SliceVTable;
use crate::arrays::slice::SliceReduce;

impl SliceReduce for SliceVTable {
    fn slice(array: &Self::Array, range: Range<usize>) -> VortexResult<Option<ArrayRef>> {
        let inner_range = array.slice_range();

        let combined_start = inner_range.start + range.start;
        let combined_end = inner_range.start + range.end;

        Ok(Some(
            SliceArray::new(array.child().clone(), combined_start..combined_end).into_array(),
        ))
    }
}