albertlockett commented on code in PR #9871:
URL: https://github.com/apache/arrow-rs/pull/9871#discussion_r3174251941
##########
arrow-string/src/like.rs:
##########
@@ -187,6 +189,30 @@ pub fn contains(left: &dyn Datum, right: &dyn Datum) ->
Result<BooleanArray, Arr
like_op(Op::Contains, left, right)
}
+/// Perform equality check on two byte arrays using an ASCII case-insensitive
match.
+///
+/// `left` and `right` must be the same type, and one of
+/// - Utf8
+/// - LargeUtf8
+/// - Utf8View
+///
+/// # Example
+/// ```
+/// # use arrow_array::{StringArray, BooleanArray};
+/// # use arrow_string::like::eq_ignore_ascii_case;
+/// let strings = StringArray::from(vec!["arrow", "rs", "arrow-rS",
"Parquet"]);
+/// let patterns = StringArray::from(vec!["ARROW", "rS", "ARROW-rs", "arrow"]);
+///
+/// let result = eq_ignore_ascii_case(&strings, &patterns).unwrap();
+/// assert_eq!(result, BooleanArray::from(vec![true, true, true, false]));
+/// ```
+pub fn eq_ignore_ascii_case(
Review Comment:
I'm hoping like is the correct module to add this function?
I added it here because I wanted to reuse a lot of the machinery that was
already in place to invoke the `Predicate`, but I was hesitating because this
does not have an equivalent SQL function, unlike the other functions/Operator
variants in this module.
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