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/sncat_README/Tsearch2/FTS_Todo/spgist_dev/SOA/TODO/SOA/CAS generator: Oddmuse