From f9a3fa3c2368b2e05390f34bbe5305300998957c Mon Sep 17 00:00:00 2001
From: John Guo <john@johng.cn>
Date: Mon, 11 Apr 2022 17:58:07 +0800
Subject: [PATCH] fix issue #1700

---
 database/gdb/gdb_z_mysql_model_test.go | 16 ++++++++++------
 internal/utils/utils_is.go             |  8 ++++----
 2 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/database/gdb/gdb_z_mysql_model_test.go b/database/gdb/gdb_z_mysql_model_test.go
index 153711135..7e23c60cc 100644
--- a/database/gdb/gdb_z_mysql_model_test.go
+++ b/database/gdb/gdb_z_mysql_model_test.go
@@ -4256,6 +4256,7 @@ func Test_Model_Issue1700(t *testing.T) {
 			UserId: 3,
 		}).Insert()
 		t.AssertNil(err)
+
 		one, err := db.Model(table).One()
 		t.AssertNil(err)
 		t.Assert(one, g.Map{
@@ -4263,11 +4264,14 @@ func Test_Model_Issue1700(t *testing.T) {
 			"user_id": 2,
 			"UserId":  3,
 		})
-		var user *User
-		err = db.Model(table).Scan(&user)
-		t.AssertNil(err)
-		t.Assert(user.Id, 1)
-		t.Assert(user.Userid, 2)
-		t.Assert(user.UserId, 3)
+
+		for i := 0; i < 1000; i++ {
+			var user *User
+			err = db.Model(table).Scan(&user)
+			t.AssertNil(err)
+			t.Assert(user.Id, 1)
+			t.Assert(user.Userid, 2)
+			t.Assert(user.UserId, 3)
+		}
 	})
 }
diff --git a/internal/utils/utils_is.go b/internal/utils/utils_is.go
index 778d45ed9..a46ddb7c1 100644
--- a/internal/utils/utils_is.go
+++ b/internal/utils/utils_is.go
@@ -84,12 +84,12 @@ func IsMap(value interface{}) bool {
 // IsStruct checks whether `value` is type of struct.
 func IsStruct(value interface{}) bool {
 	var (
-		reflectValue = reflect.ValueOf(value)
-		reflectKind  = reflectValue.Kind()
+		reflectType = reflect.TypeOf(value)
+		reflectKind = reflectType.Kind()
 	)
 	for reflectKind == reflect.Ptr {
-		reflectValue = reflectValue.Elem()
-		reflectKind = reflectValue.Kind()
+		reflectType = reflectType.Elem()
+		reflectKind = reflectType.Kind()
 	}
 	switch reflectKind {
 	case reflect.Struct: