(fn[rq rs](let[v(.getAttribute rq"vars")c(.getAttribute rq"c") ds(:datastoreService v) l(.getParameter rq"l") ll(if l(Long. l)64) q(doto (com.google.appengine.api.datastore.Query."BootStrap") (.setKeysOnly) (.addSort"date"(:sortDirAsc v))) rl(.asIterable(.prepare ds q) ((:queryLimit v)ll))] (apply str(map(fn[e](str(.getId(.getKey e))" ")) rl))))