title: Zen
description: Various topics by Oleg Bartunov.
link: http://www.sai.msu.su/~megera/wiki/relation_featur%E5s/DB/GiST/GiST_internals/TODO/Tsearch2/GiST/TODO/CAS/2021-03-04/Blog/2009-11-26
generator: Oddmuse