From 5d759aa0b2e82e1cf7685b44341e594ccafe947d Mon Sep 17 00:00:00 2001
From: Yuyang Gong <yuyang@narvii.com>
Date: Thu, 21 Mar 2019 18:53:26 +0800
Subject: [PATCH] add query hint support

---
 callback_query.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/callback_query.go b/callback_query.go
index 7facc42b..43c650f7 100644
--- a/callback_query.go
+++ b/callback_query.go
@@ -60,6 +60,11 @@ func queryCallback(scope *Scope) {
 
 	if !scope.HasError() {
 		scope.db.RowsAffected = 0
+
+		if str, ok := scope.Get("gorm:query_hint"); ok {
+			scope.SQL = addExtraSpaceIfExist(fmt.Sprint(str)) + scope.SQL
+		}
+
 		if str, ok := scope.Get("gorm:query_option"); ok {
 			scope.SQL += addExtraSpaceIfExist(fmt.Sprint(str))
 		}