Fix mysql endpoint

statsd/endpoint/mysql/index.js

@@ -62,7 +62,7 @@ app.all('/search', function (req, res) {
     search('sets_statistics');
 });
 
-function query(table, req, res)
+function query(table, req, mysql_query_result, res)
 {
     var from = new Date(req.body.range.from);
     var to = new Date(req.body.range.to);
@@ -117,13 +117,13 @@ function query(table, req, res)
     });
 }
 
-var mysql_query_result = [];
 app.all('/query', function (req, res) {
-    mysql_query_result = [];
-    query('gauges_statistics', req);
-    query('counters_statistics', req);
-    query('timers_statistics', req);
-    query('sets_statistics', req, res);
+    var mysql_query_result = [];
+    
+    query('gauges_statistics', req, mysql_query_result);
+    query('counters_statistics', req, mysql_query_result);
+    query('timers_statistics', req, mysql_query_result);
+    query('sets_statistics', req, mysql_query_result, res);
 });
 
 app.listen(8000);