From: Ozz Nixon <ozzni...@gmail.com> Sent: Friday, October 26, 2018 12:50 PM To: jeff.ja...@gmail.com Cc: spl...@ya.ru; srkrish...@aol.com; pgsql-general@lists.postgresql.org Subject: Re: GIN Index for low cardinality
Jeff, Great info! Your example on Mr. Mrs. Miss, etc. is there a good rule of thumb that if the data is under "x"KB an index is overhead not help? I am not worried about space, more interested in performance. I think, partial/conditional indexes: …. Where greeting = ‘…’ – may help. Regards, Igor Neyman
