syncRecords.js

      for (i in serverRecs) {
        var serverRec = serverRecs[i];
        var serverRecUid = i;
        var serverRecHash = serverRec.hash;

        if (clientRecs[serverRecUid]) {
          // only do this if there isn't an applied or pending update of this record
          if (clientRecs[serverRecUid] !== serverRecHash) {
            syncUtil.doLog(dataset_id, 'verbose', 'Updating client record ' + serverRecUid + ' client hash=' + clientRecs[serverRecUid], params);
            updates[serverRecUid] = serverRec;
          }
        } else {
          // only do this if there isn't an applied or pending delete of this record
          syncUtil.doLog(dataset_id, 'verbose', 'Creating client record ' + serverRecUid, params);
          creates[serverRecUid] = serverRec;
        }
      }

      // Itterate over each of the client records. If there is no corresponding server record then mark the client
      // record for deletion
      for (i in clientRecs) {
        if (!serverRecs[i]) {
          // only do this if there isn't an applied or pending create of this record
          syncUtil.doLog(dataset_id, 'verbose', 'Deleting client record ' + serverRecs[i], params);
          deletes[i] = {};
        }
      }