CREATE TABLE IF NOT EXISTS osm_important_place_point AS ( SELECT osm.geometry, osm.osm_id, osm.name, osm.name_en, osm.place, ne.scalerank, COALESCE(osm.population, ne.pop_min) AS population FROM ne_10m_populated_places AS ne, osm_place_point AS osm WHERE ( ne.name ILIKE osm.name OR ne.name ILIKE osm.name_en OR ne.namealt ILIKE osm.name OR ne.namealt ILIKE osm.name_en OR ne.meganame ILIKE osm.name OR ne.meganame ILIKE osm.name_en OR ne.gn_ascii ILIKE osm.name OR ne.gn_ascii ILIKE osm.name_en OR ne.nameascii ILIKE osm.name OR ne.nameascii ILIKE osm.name_en ) AND (osm.place = 'city' OR osm.place= 'town' OR osm.place = 'village') AND ST_DWithin(ne.geom, osm.geometry, 50000) ); CREATE INDEX IF NOT EXISTS osm_important_place_point_geometry_idx ON osm_important_place_point USING gist(geometry); CLUSTER osm_important_place_point USING osm_important_place_point_geometry_idx;