use vortex_error::VortexResult;
use crate::ArrayRef;
use crate::IntoArray;
use crate::array::ArrayView;
use crate::arrays::VarBin;
use crate::arrays::VarBinArray;
use crate::arrays::varbin::VarBinArrayExt;
use crate::scalar_fn::fns::mask::MaskReduce;
use crate::validity::Validity;
impl MaskReduce for VarBin {
fn mask(array: ArrayView<'_, VarBin>, mask: &ArrayRef) -> VortexResult<Option<ArrayRef>> {
Ok(Some(
VarBinArray::try_new(
array.offsets().clone(),
array.bytes().clone(),
array.dtype().as_nullable(),
array.validity()?.and(Validity::Array(mask.clone()))?,
)?
.into_array(),
))
}
}
#[cfg(test)]
mod test {
use crate::IntoArray;
use crate::arrays::VarBinArray;
use crate::compute::conformance::mask::test_mask_conformance;
use crate::dtype::DType;
use crate::dtype::Nullability;
#[test]
fn test_mask_var_bin_array() {
let array = VarBinArray::from_vec(
vec!["hello", "world", "filter", "good", "bye"],
DType::Utf8(Nullability::NonNullable),
);
test_mask_conformance(&array.into_array());
let array = VarBinArray::from_iter(
vec![Some("hello"), None, Some("filter"), Some("good"), None],
DType::Utf8(Nullability::Nullable),
);
test_mask_conformance(&array.into_array());
}
}