vortex_array/arrays/varbin/compute/
mask.rs1use vortex_error::VortexResult;
5
6use crate::ArrayRef;
7use crate::IntoArray;
8use crate::array::ArrayView;
9use crate::arrays::VarBin;
10use crate::arrays::VarBinArray;
11use crate::arrays::varbin::VarBinArrayExt;
12use crate::scalar_fn::fns::mask::MaskReduce;
13use crate::validity::Validity;
14
15impl MaskReduce for VarBin {
16 fn mask(array: ArrayView<'_, VarBin>, mask: &ArrayRef) -> VortexResult<Option<ArrayRef>> {
17 Ok(Some(
18 VarBinArray::try_new(
19 array.offsets().clone(),
20 array.bytes().clone(),
21 array.dtype().as_nullable(),
22 array.validity()?.and(Validity::Array(mask.clone()))?,
23 )?
24 .into_array(),
25 ))
26 }
27}
28
29#[cfg(test)]
30mod test {
31 use crate::IntoArray;
32 use crate::arrays::VarBinArray;
33 use crate::compute::conformance::mask::test_mask_conformance;
34 use crate::dtype::DType;
35 use crate::dtype::Nullability;
36
37 #[test]
38 fn test_mask_var_bin_array() {
39 let array = VarBinArray::from_vec(
40 vec!["hello", "world", "filter", "good", "bye"],
41 DType::Utf8(Nullability::NonNullable),
42 );
43 test_mask_conformance(&array.into_array());
44
45 let array = VarBinArray::from_iter(
46 vec![Some("hello"), None, Some("filter"), Some("good"), None],
47 DType::Utf8(Nullability::Nullable),
48 );
49 test_mask_conformance(&array.into_array());
50 }
51}