From 56af9673c16fdb0f2a9fab019be1e3e78a47550a Mon Sep 17 00:00:00 2001
From: Raymond Feng <raymond@strongloop.com>
Date: Fri, 31 May 2013 13:40:50 -0700
Subject: [PATCH] Avoid duplicate connecting

---
 lib/datasource.js | 20 +++++++++-----------
 1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/lib/datasource.js b/lib/datasource.js
index b4e31ca9..77bdfe9f 100644
--- a/lib/datasource.js
+++ b/lib/datasource.js
@@ -137,28 +137,26 @@ DataSource.prototype.setup = function(name, settings) {
 
     schema.connect = function(cb) {
         var schema = this;
-        if(schema.connected) {
-            if (cb) {
-                process.nextTick(cb);
-            }
+        if(schema.connected || schema.connecting) {
+            process.nextTick(function() {
+                cb && cb();
+            });
             return;
         }
         schema.connecting = true;
         if (schema.adapter.connect) {
-            schema.adapter.connect(function(err) {
+            schema.adapter.connect(function(err, result) {
                 if (!err) {
                     schema.connected = true;
                     schema.connecting = false;
                     schema.emit('connected');
                 }
-                if (cb) {
-                    cb(err);
-                }
+                cb && cb(err, result);
             });
         } else {
-            if (cb) {
-                process.nextTick(cb);
-            }
+            process.nextTick(function() {
+                cb && cb();
+            });
         }
     };
 }