don't set previous value in loop if raw

lib/dao.js

@@ -13,8 +13,6 @@ module.exports = (function() {
     this._previousDataValues         = {}
     this.__options                   = this.Model.options
     this.options                     = options
-    this.hasPrimaryKeys              = this.Model.options.hasPrimaryKeys
-    this.__eagerlyLoadedAssociations = []
     this.isNewRecord                 = options.isNewRecord
 
     initValues.call(this, values, options);
@@ -161,7 +159,9 @@ module.exports = (function() {
       }
     } else {
       options || (options = {})
-      originalValue = this.dataValues[key]
+      if (!options.raw) {
+        originalValue = this.dataValues[key]
+      }
       
       // If not raw, and there's a customer setter
       if (!options.raw && this._customSetters[key]) {
@@ -180,7 +180,7 @@ module.exports = (function() {
           }
 
           // If attempting to set primary key and primary key is already defined, return
-          if (this.Model._hasPrimaryKeys && originalValue && this.Model._isPrimaryKey(key)) {
+          if (!options.raw && this.Model._hasPrimaryKeys && originalValue && this.Model._isPrimaryKey(key)) {
             return
           }
 
@@ -199,7 +199,7 @@ module.exports = (function() {
             value = new Date(value)
           }
 
-          if (originalValue !== value) {
+          if (!options.raw && originalValue !== value) {
             this._previousDataValues[key] = originalValue
           }
           this.dataValues[key] = value