vortex_array/arrays/varbin/
ops.rs

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