HyukjinKwon commented on issue #26875: [SPARK-30245][SQL] Add cache for Like and RLike when pattern is not static URL: https://github.com/apache/spark/pull/26875#issuecomment-576996736 Gentle ping @ulysses-you, would you mind if I ask to do a benchmark, for instance, with a very long strings like `"aaaaaaaaaaaab"` so strings have to be compared up to the end. I think we should check the worst case as well to see if this PR is really worhty.
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