Re: [PR] [feat](func) Add levenshtein, damerau_levenshtein, jaro_winkler, jaccard_similarity built-in scalar functions [doris]

["puranjay2597 (via GitHub)" <gi...@apache.org>]

puranjay2597 commented on PR #60799:
URL: https://github.com/apache/doris/pull/60799#issuecomment-3952633963

   @zclllyybb - I've added be-ut and regression-test cases, and also removed cosine_similarity since it conflicts with #60403.
   
   Regarding damerau_levenshtein — ClickHouse has [damerauLevenshteinDistance] (https://clickhouse.com/docs/en/sql-reference/functions/string-functions#dameraulevensteindistance). The key difference from standard Levenshtein is that a single adjacent transposition (e.g. 'ab' → 'ba') costs 1 instead of 2, which matters for natural-language typo correction and deduplication
   


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