vortex_sparse/
ops.rs

1// SPDX-License-Identifier: Apache-2.0
2// SPDX-FileCopyrightText: Copyright the Vortex contributors
3
4use vortex_array::ArrayView;
5use vortex_array::ExecutionCtx;
6use vortex_array::scalar::Scalar;
7use vortex_array::vtable::OperationsVTable;
8use vortex_error::VortexResult;
9
10use crate::Sparse;
11use crate::SparseExt as _;
12
13impl OperationsVTable<Sparse> for Sparse {
14    fn scalar_at(
15        array: ArrayView<'_, Sparse>,
16        index: usize,
17        _ctx: &mut ExecutionCtx,
18    ) -> VortexResult<Scalar> {
19        Ok(array
20            .patches()
21            .get_patched(index)?
22            .unwrap_or_else(|| array.fill_scalar().clone()))
23    }
24}
25
26#[cfg(test)]
27mod tests {
28    use vortex_array::IntoArray;
29    use vortex_array::LEGACY_SESSION;
30    use vortex_array::VortexSessionExecute;
31    use vortex_array::arrays::PrimitiveArray;
32    use vortex_array::assert_arrays_eq;
33    use vortex_buffer::buffer;
34
35    use crate::Sparse;
36
37    #[test]
38    fn slice_partially_invalid() {
39        let mut ctx = LEGACY_SESSION.create_execution_ctx();
40        let values = buffer![0u64].into_array();
41        let indices = buffer![0u8].into_array();
42
43        let sparse = Sparse::try_new(indices, values, 1000, 999u64.into()).unwrap();
44        let sliced = sparse.slice(0..1000).unwrap();
45        let mut expected = vec![999u64; 1000];
46        expected[0] = 0;
47
48        let values = sliced.execute::<PrimitiveArray>(&mut ctx).unwrap();
49        assert_arrays_eq!(values, PrimitiveArray::from_iter(expected));
50    }
51}
vortex_sparse/ops.rs

vortex_sparse/
ops.rs
