Fix hasmany 'has' accessor to work with custom keys

Changelog.md

@@ -1,3 +1,6 @@
+### v3.2.2
+- Fix the fix in [#761](../../issues/761) so that it works with custom keys ([#762](../../issues/762))
+
 ### v3.2.1
 - Fix has many 'has' accessor failing when join table has duplicate entries ([#761](../../issues/761))
 

lib/Associations/Many.js

@@ -185,10 +185,16 @@ function extendInstance(Model, Instance, Driver, association, opts, createInstan
 				if (err)                  return cb(err);
 				if (_.isEmpty(Instances)) return cb(null, false);
 
-				var foundItemsIDs = _(foundItems).map('id').uniq().value();
-				var InstancesIDs  = _(Instances ).map('id').uniq().value();
+				var mapKeysToString = function (item) {
+					return _.map(association.model.keys, function (k) {
+						return item[k];
+					}).join(',')
+				}
+
+				var foundItemsIDs = _(foundItems).map(mapKeysToString).uniq().value();
+				var InstancesIDs  = _(Instances ).map(mapKeysToString).uniq().value();
 
-				var sameLength    = foundItemsIDs.length == InstancesIDs.length;
+				var sameLength   = foundItemsIDs.length == InstancesIDs.length;
 				var sameContents = sameLength && _.isEmpty(_.difference(foundItemsIDs, InstancesIDs));
 
 				return cb(null, sameContents);

package.json

@@ -12,7 +12,7 @@
 		"sqlite",
 		"mongodb"
 	],
-	"version"     : "3.2.1",
+	"version"     : "3.2.2",
 	"license"     : "MIT",
 	"homepage"    : "http://dresende.github.io/node-orm2",
 	"repository"  : "http://github.com/dresende/node-orm2.git",