Handle sql event aswell

lib/emitters/custom-event-emitter.js

@@ -41,12 +41,11 @@ module.exports = (function() {
   }
 
   CustomEventEmitter.prototype.proxy = function(emitter) {
-    this.on('error', function (err) {
-      emitter.emit('error', err)
-    })
-    this.on('success', function (result) {
-      emitter.emit('success', result)
-    })
+    ['success', 'error', 'sql'].each(function (eventKey) {
+      this.on(eventKey, function (result) {
+        emitter.emit(eventKey, result)
+      })
+    }.bind(this))
   }