From 0ac664c9ae7a1b20e2ad27370261508a002dde1d Mon Sep 17 00:00:00 2001
From: Berkeley Martinez <Berkeley@robotie.com>
Date: Thu, 4 Jun 2015 14:21:01 -0700
Subject: [PATCH] Use mongodb sparse indexing for user emails

---
 common/models/user.json | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/common/models/user.json b/common/models/user.json
index c3cb375b11..1f3af30fa8 100644
--- a/common/models/user.json
+++ b/common/models/user.json
@@ -8,7 +8,12 @@
       "type": "string",
       "lowercase": true,
       "trim": true,
-      "sparse": true
+      "index": {
+        "mongodb": {
+          "unique": true,
+          "sparse": true
+        }
+      }
     },
     "password": "string",
     "facebook": "string",