This will cache the query via workbench.

CacheQueryViaWorkbench.js

function cacheQuery(){
   //check if the result came or not
   if(!document.getElementById('query_results') && document.getElementsByClassName('displayWarning').length == 0 ){//no results found
      //check if system is not waiting for the result i.e query is processing
      if(!document.getElementsByClassName('disableWhileAsyncLoading')[0].disabled){ //button is not disabled so try again
          document.getElementsByClassName('disableWhileAsyncLoading')[0].click();
      }
   }
}

setInterval(cacheQuery , 1000);