From 0e2cd4475f53c8143fd5f758933355425dcafdff Mon Sep 17 00:00:00 2001
From: Jinzhu <wosmvp@gmail.com>
Date: Thu, 16 Apr 2015 18:39:30 +0800
Subject: [PATCH] Only load Fields when defined preload

---
 preload.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/preload.go b/preload.go
index d252238a..541f7b95 100644
--- a/preload.go
+++ b/preload.go
@@ -20,10 +20,10 @@ func equalAsString(a interface{}, b interface{}) bool {
 }
 
 func Preload(scope *Scope) {
-	fields := scope.Fields()
-	isSlice := scope.IndirectValue().Kind() == reflect.Slice
-
 	if scope.Search.preload != nil {
+		fields := scope.Fields()
+		isSlice := scope.IndirectValue().Kind() == reflect.Slice
+
 		for key, conditions := range scope.Search.preload {
 			for _, field := range fields {
 				if field.Name == key && field.Relationship != nil {