title: Zen description: Various topics by Oleg Bartunov. link: http://www.sai.msu.su/~megera/wiki/relation_featur%E5s/DB/GiST/GiST_internals/spgist_dev/CAS/CASCurrentServices/SAI_RVO/SAI_SN/HowTo/spgist_dev/Gin/HowTo/Gin/spgist_dev/SOA/TODO generator: Oddmuse