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vortex_array/arrays/varbin/compute/
slice.rs

1// SPDX-License-Identifier: Apache-2.0
2// SPDX-FileCopyrightText: Copyright the Vortex contributors
3
4use std::ops::Range;
5
6use vortex_error::VortexResult;
7
8use crate::ArrayRef;
9use crate::IntoArray;
10use crate::arrays::SliceReduce;
11use crate::arrays::VarBinArray;
12use crate::arrays::VarBinVTable;
13
14impl SliceReduce for VarBinVTable {
15    fn slice(array: &Self::Array, range: Range<usize>) -> VortexResult<Option<ArrayRef>> {
16        VarBinVTable::_slice(array, range).map(Some)
17    }
18}
19
20impl VarBinVTable {
21    pub fn _slice(array: &VarBinArray, range: Range<usize>) -> VortexResult<ArrayRef> {
22        Ok(unsafe {
23            VarBinArray::new_unchecked_from_handle(
24                array.offsets().slice(range.start..range.end + 1)?,
25                array.bytes_handle().clone(),
26                array.dtype().clone(),
27                array.validity()?.slice(range)?,
28            )
29            .into_array()
30        })
31    }
32}