vortex_array/arrays/varbin/
ops.rs

1// SPDX-License-Identifier: Apache-2.0
2// SPDX-FileCopyrightText: Copyright the Vortex contributors
3
4use vortex_error::VortexResult;
5use vortex_scalar::Scalar;
6
7use crate::arrays::{VarBinArray, VarBinVTable, varbin_scalar};
8use crate::vtable::{OperationsVTable, ValidityHelper};
9use crate::{Array, ArrayRef, IntoArray};
10
11impl OperationsVTable<VarBinVTable> for VarBinVTable {
12    fn slice(array: &VarBinArray, start: usize, stop: usize) -> VortexResult<ArrayRef> {
13        VarBinArray::try_new(
14            array.offsets().slice(start, stop + 1)?,
15            array.bytes().clone(),
16            array.dtype().clone(),
17            array.validity().slice(start, stop)?,
18        )
19        .map(|a| a.into_array())
20    }
21
22    fn scalar_at(array: &VarBinArray, index: usize) -> VortexResult<Scalar> {
23        Ok(varbin_scalar(array.bytes_at(index)?, array.dtype()))
24    }
25}