On 10 January 2018 at 09:54, Konstantin Knizhnik <k.knizh...@postgrespro.ru> wrote:
> (new version attached) Why this comment? Current implementation of projection optimization has to calculate index expression twice in case of hit (value of index expression is not changed) and three times if values are different. Old + New for check = 2 plus calculate again in index = 3 ? -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
