Dandandan commented on a change in pull request #1085:
URL: https://github.com/apache/arrow-rs/pull/1085#discussion_r773967897
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File path: arrow/src/compute/kernels/comparison.rs
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@@ -259,14 +259,14 @@ where
let mut result = BooleanBufferBuilder::new(left.len());
for i in 0..left.len() {
let haystack = left.value(i);
- let pat = right.value(i);
- let re = if let Some(ref regex) = map.get(pat) {
+ let pat = escape(right.value(i));
+ let re = if let Some(ref regex) = map.get(&pat) {
regex
} else {
let re_pattern = pat.replace("%", ".*").replace("_", ".");
Review comment:
Yeah, to make a proper regex out of it (instead of literally matching on
the percentage or underscore character).
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