db transaction

Author: glenkurniawan-adslot

slim.js

@@ -144,6 +144,7 @@ DynamoTable.prototype.update = function(key, actions, options, cb) {
   // If actions is a string or array, then it's a whitelist for attributes to update
   if (typeof actions === 'string') actions = [actions]
   if (Array.isArray(actions)) { pick = actions; actions = key; key = null }
+  if (!actions) { actions = key; key = null }
 
   // If key is null, assume actions has a full object to put so clone it (without keys)
   if (key == null) {