Re: [HACKERS] Patch: pg_trgm: gin index scan performance for similarity search

On Fri, Dec 25, 2015 at 11:10 AM, Teodor Sigaev wrote: > Good catch, committed. > Thank you!

[HACKERS] Patch: pg_trgm: gin index scan performance for similarity search

Hi, I think that we can improve the gin index scan performance for similarity search defined in the pg_trgm extension. The similarity function is (for the default case where DIVUNION is defined in the code): count / (len1 + len2 - count) >= trgm_limit where len1 is the number of unique