/*
 * given an sql stmt, run it over the db and
 * call the provided storefunc on any returned
 * record
 */
function dataGet(stmt, storefunc) {
  //open DB
  //do retry stuff
  //close DB

  var db = new sqlite3.Database(routes.fileDbRam, sqlite3.OPEN_READONLY, function(err) {

    if (err) return console.error('cannot open DB: ' + err);

    db.each(stmt
      , function item(err, row) {
        if (err) {
          console.error('error: db.each: row: ' + err);
        }
        else {
          console.log('row callback');
          // do the real stuff here
          storefunc(row);
        }
      }
      , function complete(err, nrow) {
        if (err) {
          console.error('error: db.each: complete: ' + err);
        }
        // howsoever close the DB
        console.log('complete callback (nrow = ' + nrow + ')');
        db.close(function(err) {
          if (err) return console.error('cannot close DB: ' + err);
          console.log('well done');
        });
    });

  });
}