lib/storage/sync-updates.js
function doListUpdates(datasetId, criteria, options, callback) {
  debug('[%s] doListUpdates criteria = %j',datasetId,criteria);
  var updatesCollection = mongoClient.collection(getDatasetUpdatesCollectionName(datasetId));
  var docLimit = options && options.limit;
  var cursor = updatesCollection.find(criteria);
  if (docLimit && docLimit > 0) {
    cursor = cursor.limit(docLimit);
  }
  cursor.toArray(function(err, updates) {
    if (err) {
      debugError('[%s] Failed to doListUpdates due to error %s :: criteria = %j' + criteria,datasetId,err,criteria);
      return callback(err);
    }
    return callback(null, updates);
  });
}
function doListUpdates(datasetId, criteria, options, callback) {
  debug('[%s] doListUpdates criteria = %j',datasetId,criteria);
  var updatesCollection = mongoClient.collection(getDatasetUpdatesCollectionName(datasetId));
  var docLimit = options && options.limit;
  var cursor = updatesCollection.find(criteria);
  if (docLimit && docLimit > 0) {
    cursor = cursor.limit(docLimit);
  }
  cursor.toArray(function(err, updates) {
    if (err) {
      debugError('[%s] Failed to doListUpdates due to error %s :: criteria = %j' + criteria,datasetId,err,criteria);
      return callback(err);
    }
    return callback(null, updates);
  });
}
function doListUpdates ( datasetId , criteria , options , callback ) { debug ( '[%s] doListUpdates criteria = %j' , datasetId , criteria ) ; var updatesCollection = mongoClient . collection ( getDatasetUpdatesCollectionName ( datasetId ) ) ; var docLimit = options && options . limit ; var cursor = updatesCollection . find ( criteria ) ; if ( docLimit && docLimit > 0 ) { cursor = cursor . limit ( docLimit ) ; } cursor . toArray ( function ( err , updates ) { if ( err ) { debugError ( '[%s] Failed to doListUpdates due to error %s :: criteria = %j' + criteria , datasetId , err , criteria ) ; return callback ( err ) ; } return callback ( null , updates ) ; } ) ; }
List all the updates that match the given search criteria

@param {String} datasetId
@param {Object} criteria
@param {Object} options
@param {Function} callback
List all the updates that match the given search criteria