From bf0a0c8547a5202168c681554f28a6c7c861b2c0 Mon Sep 17 00:00:00 2001
From: Louis Chatriot <louis.chatriot@gmail.com>
Date: Mon, 2 Sep 2013 20:09:34 +0200
Subject: [PATCH] If a multi update fails on one docs, the others shouldnt be
 changed

---
 lib/datastore.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/datastore.js b/lib/datastore.js
index 3d167e7..6d0ed4a 100644
--- a/lib/datastore.js
+++ b/lib/datastore.js
@@ -427,12 +427,14 @@ Datastore.prototype._update = function (query, updateQuery, options, cb) {
       return callback(err);
     }
 	
+	// Change the docs in memory
 	try {
       self.updateIndexes(modifications);
 	} catch (err) {
 	  return callback(err);
 	}
 
+	// Update the datafile
     self.persistence.persistNewState(_.pluck(modifications, 'newDoc'), function (err) {
       if (err) { return callback(err); }
       return callback(null, numReplaced);