ST_DISTANCE
ST_INTERSECTS
ST_DISJOINT
ST_CONTAINS
ST_WITHIN
ST_X
ST_Y
ST_ENVELOPE
ST_XMAX
ST_XMIN
ST_YMAX
ST_YMIN
ST_GEOTILE
ST_GEOTILE_TO_STRING
ST_GEOTILE_TO_LONG
ST_GEOHEX
ST_GEOHEX_TO_STRING
ST_GEOHEX_TO_LONG
ST_GEOHASH
ST_GEOHASH_TO_STRING
ST_GEOHASH_TO_LONG