MazterQyou commented on code in PR #1846:
URL: https://github.com/apache/arrow-rs/pull/1846#discussion_r896095995
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arrow/src/compute/kernels/comparison.rs:
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@@ -548,6 +548,89 @@ pub fn ilike_utf8_scalar<OffsetSize: OffsetSizeTrait>(
Ok(BooleanArray::from(data))
}
+/// Perform SQL `left NOT ILIKE right` operation on [`StringArray`] /
+/// [`LargeStringArray`].
+///
+/// See the documentation on [`like_utf8`] for more details.
+pub fn nilike_utf8<OffsetSize: OffsetSizeTrait>(
+ left: &GenericStringArray<OffsetSize>,
+ right: &GenericStringArray<OffsetSize>,
+) -> Result<BooleanArray> {
+ regex_like(left, right, true, |re_pattern| {
+ Regex::new(&format!("(?i)^{}$", re_pattern)).map_err(|e| {
+ ArrowError::ComputeError(format!(
+ "Unable to build regex from ILIKE pattern: {}",
+ e
+ ))
+ })
+ })
+}
+
+/// Perform SQL `left NOT ILIKE right` operation on [`StringArray`] /
+/// [`LargeStringArray`] and a scalar.
+///
+/// See the documentation on [`like_utf8`] for more details.
+pub fn nilike_utf8_scalar<OffsetSize: OffsetSizeTrait>(
Review Comment:
I had this in mind as well but decided to open the PR nevertheless
considering there are already three similar functions (which means whoever
accepted them in was okay with that). I'll refactor those and see how that goes.
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