lidavidm commented on a change in pull request #10448:
URL: https://github.com/apache/arrow/pull/10448#discussion_r645542932
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File path: cpp/src/arrow/compute/kernels/scalar_string.cc
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@@ -484,6 +484,42 @@ struct PlainSubstringMatcher {
bool Match(util::string_view current) const { return Find(current) >= 0; }
};
+struct PlainStartsWithMatcher {
+ const MatchSubstringOptions& options_;
+
+ explicit PlainStartsWithMatcher(const MatchSubstringOptions& options)
+ : options_(options) {}
+
+ static Result<std::unique_ptr<PlainStartsWithMatcher>> Make(
+ const MatchSubstringOptions& options) {
+ // Should be handled by partial template specialization below
Review comment:
I mean L612-L653 below which are partial template specializations that
convert a case-insensitive prefix/suffix match into an equivalent regex (to
avoid having to do Unicode case folding ourselves):
https://github.com/apache/arrow/pull/10448/files#diff-eb8300bc4dea7d1c46b2576b7dbd8e42b927ab7d42c031f4aecae892a72ee244R612-R653
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