tustvold commented on code in PR #6662:
URL: https://github.com/apache/arrow-rs/pull/6662#discussion_r1826175583
##########
arrow-string/src/predicate.rs:
##########
@@ -116,10 +116,17 @@ impl<'a> Predicate<'a> {
}),
Predicate::Contains(finder) => {
if let Some(string_view_array) =
array.as_any().downcast_ref::<StringViewArray>() {
+ let nulls = string_view_array.logical_nulls();
BooleanArray::from(
string_view_array
.bytes_iter()
- .map(|haystack| finder.find(haystack).is_some() !=
negate)
+ .enumerate()
+ .map(|(idx, haystack)| {
+ if nulls.as_ref().map(|n|
n.is_null(idx)).unwrap_or_default() {
Review Comment:
FWIW I am not sure why this isn't using from_unary which would provide
option 2, and be significantly more efficient than first collecting into a
Vec...
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