tustvold commented on code in PR #2591:
URL: https://github.com/apache/arrow-rs/pull/2591#discussion_r956485026
##########
arrow/src/compute/kernels/comparison.rs:
##########
@@ -315,6 +320,42 @@ pub fn like_utf8_scalar<OffsetSize: OffsetSizeTrait>(
Ok(BooleanArray::from(data))
}
+/// Perform SQL `left LIKE right` operation on [`StringArray`] /
+/// [`LargeStringArray`] and a scalar.
+///
+/// See the documentation on [`like_utf8`] for more details.
+pub fn like_utf8_scalar<OffsetSize: OffsetSizeTrait>(
+ left: &GenericStringArray<OffsetSize>,
+ right: &str,
+) -> Result<BooleanArray> {
+ like_scalar(left, right)
+}
+
+/// Perform SQL `left LIKE right` operation on [`DictionaryArray`] with values
+/// [`StringArray`]/[`LargeStringArray`] and a scalar.
+///
+/// See the documentation on [`like_utf8`] for more details.
+pub fn like_dict_scalar<K: ArrowNumericType>(
+ left: &DictionaryArray<K>,
+ right: &str,
+) -> Result<BooleanArray> {
+ match left.value_type() {
+ DataType::Utf8 => {
+ let left =
left.downcast_dict::<GenericStringArray<i32>>().unwrap();
+ like_scalar(left, right)
Review Comment:
Lets do it as a follow up
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