There is nice extension in postgres: fuzzystrmatch <http://www.postgresql.org/docs/9.3/static/fuzzystrmatch.html> I have used to calculate the distance. From documetation: SELECT levenshtein_less_equal('extensive', 'exhaustive',2); You can use it then with your group by query. -- View this message in context: http://postgresql.nabble.com/Merge-rows-based-on-Levenshtein-distance-tp5828841p5829111.html Sent from the PostgreSQL - general mailing list archive at Nabble.com.
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Соглашаюсь с условиями обработки персональных данных