From a79b999e7a01b320b6d30389a8f131ab0d219448 Mon Sep 17 00:00:00 2001
From: Sandro Santilli <strk@keybit.net>
Date: Mon, 11 Feb 2013 15:05:23 +0100
Subject: [PATCH] Do not try to send commands to an unoconnected redis client

This changes "Cannot read property 'HGET' of null" messages into
"Redis connection to 127.0.0.1:6379 failed - connect ECONNREFUSED".
---
 lib/cartodb/carto_data.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/cartodb/carto_data.js b/lib/cartodb/carto_data.js
index dc2c71ea..e43b7233 100644
--- a/lib/cartodb/carto_data.js
+++ b/lib/cartodb/carto_data.js
@@ -223,6 +223,7 @@ module.exports = function() {
                 redis_pool.acquire(db, this);
             },
             function executeQuery(err, data) {
+                if ( err ) throw err;
                 redisClient = data;
                 redisArgs.push(this);
                 redisClient[redisFunc.toUpperCase()].apply(redisClient, redisArgs);