contains_geo_tpoint disjoint_geo_tpoint disjoint_tpoint_geo dwithin_geo_tpoint dwithin_tpoint_geo dwithin_tpoint_tpoint geog_coveredby geog_covers geog_dwithin geog_intersects geom_contains geom_containsproperly geom_coveredby geom_covers geom_crosses geom_disjoint geom_dwithin2d geom_dwithin3d geom_equals geom_intersects2d geom_intersects3d geom_overlaps geom_relate geom_relate_pattern geom_touches geom_within get_dwithin_fn intersects_geo_tpoint intersects_tpoint_geo spatialrel touches_geo_tpoint touches_tpoint_geo

geom_touches() Datum geom_touches ( Datum  geom1, Datum  geom2  ) Calls the PostGIS function ST_Touches with the 2 arguments.