From f26fa242cc1bf884f9a4f98849f70fb8e73f441f Mon Sep 17 00:00:00 2001
From: Jinzhu <wosmvp@gmail.com>
Date: Thu, 25 Aug 2016 17:59:26 +0800
Subject: [PATCH] Support specify GORM tag setting inside scanner

---
 migration_test.go | 2 +-
 model_struct.go   | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/migration_test.go b/migration_test.go
index 7fdf7bf8..30085263 100644
--- a/migration_test.go
+++ b/migration_test.go
@@ -117,7 +117,7 @@ type Company struct {
 }
 
 type Role struct {
-	Name string
+	Name string `gorm:"size:256"`
 }
 
 func (role *Role) Scan(value interface{}) error {
diff --git a/model_struct.go b/model_struct.go
index d6a71c0b..d9e84c3c 100644
--- a/model_struct.go
+++ b/model_struct.go
@@ -188,6 +188,13 @@ func (scope *Scope) GetModelStruct() *ModelStruct {
 				if _, isScanner := fieldValue.(sql.Scanner); isScanner {
 					// is scanner
 					field.IsScanner, field.IsNormal = true, true
+					if indirectType.Kind() == reflect.Struct {
+						for i := 0; i < indirectType.NumField(); i++ {
+							for key, value := range parseTagSetting(indirectType.Field(i).Tag) {
+								field.TagSettings[key] = value
+							}
+						}
+					}
 				} else if _, isTime := fieldValue.(*time.Time); isTime {
 					// is time
 					field.IsNormal = true