From 270e38c518260be891e227bbfd7521728aeb5309 Mon Sep 17 00:00:00 2001
From: Jinzhu <wosmvp@gmail.com>
Date: Mon, 29 Nov 2021 14:23:10 +0800
Subject: [PATCH] Fix duplicated error when Scan, close #4525

---
 finisher_api.go | 4 +---
 scan.go         | 6 +++---
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/finisher_api.go b/finisher_api.go
index 920ea739..633a7fa0 100644
--- a/finisher_api.go
+++ b/finisher_api.go
@@ -454,9 +454,7 @@ func (db *DB) Scan(dest interface{}) (tx *DB) {
 	tx = db.getInstance()
 	tx.Config = &config
 
-	if rows, err := tx.Rows(); err != nil {
-		tx.AddError(err)
-	} else {
+	if rows, err := tx.Rows(); err == nil {
 		defer rows.Close()
 		if rows.Next() {
 			tx.ScanRows(rows, dest)
diff --git a/scan.go b/scan.go
index b931aff4..b03b79b4 100644
--- a/scan.go
+++ b/scan.go
@@ -102,9 +102,9 @@ func (db *DB) scanIntoStruct(sch *schema.Schema, rows *sql.Rows, reflectValue re
 type ScanMode uint8
 
 const (
-	ScanInitialized         ScanMode = 1 << 0    // 1
-	ScanUpdate              ScanMode = 1 << 1    // 2
-	ScanOnConflictDoNothing ScanMode = 1 << 2    // 4
+	ScanInitialized         ScanMode = 1 << 0 // 1
+	ScanUpdate              ScanMode = 1 << 1 // 2
+	ScanOnConflictDoNothing ScanMode = 1 << 2 // 4
 )
 
 func Scan(rows *sql.Rows, db *DB, mode ScanMode) {