From 6b8eb5c80c72a164a374a0075569350e968f7774 Mon Sep 17 00:00:00 2001
From: Louis Orenstein <titaniumlou@gmail.com>
Date: Fri, 23 Aug 2013 16:32:44 -0600
Subject: [PATCH] optional keepAlive configuration param

allow users to specify an optional keepAlive parameter that will issue the query 'select 1' every keepAlive milliseconds so the schema-maintained connection does not get closed due to the MySQL server's idle connection timeout
---
 lib/mysql.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/mysql.js b/lib/mysql.js
index 91b7437..87831b1 100644
--- a/lib/mysql.js
+++ b/lib/mysql.js
@@ -32,6 +32,12 @@ exports.initialize = function initializeSchema(schema, callback) {
         charset: s.collation.toUpperCase(), // Correct by docs despite seeming odd.
         supportBigNumbers: s.supportBigNumbers
     });
+    
+    if (s.keepAlive) {
+    	setInterval(function() {
+    		schema.client.query('select 1');
+    	}, s.keepAlive);
+    }
 
     schema.client.on('error', function (err) {
         schema.emit('error', err);