From 3d91e9367dc894b9f1461c8dedcfb542d23be20c Mon Sep 17 00:00:00 2001
From: yrong <yrong1997@gmail.com>
Date: Sun, 11 Apr 2021 22:40:39 +0800
Subject: [PATCH] Respect ignore migration when add column

continue https://github.com/go-gorm/gorm/pull/4028
---
 migrator/migrator.go | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/migrator/migrator.go b/migrator/migrator.go
index 075b5ca6..1800ab54 100644
--- a/migrator/migrator.go
+++ b/migrator/migrator.go
@@ -295,10 +295,13 @@ func (m Migrator) RenameTable(oldName, newName interface{}) error {
 func (m Migrator) AddColumn(value interface{}, field string) error {
 	return m.RunWithValue(value, func(stmt *gorm.Statement) error {
 		if field := stmt.Schema.LookUpField(field); field != nil {
-			return m.DB.Exec(
-				"ALTER TABLE ? ADD ? ?",
-				m.CurrentTable(stmt), clause.Column{Name: field.DBName}, m.DB.Migrator().FullDataTypeOf(field),
-			).Error
+			if !field.IgnoreMigration {
+				return m.DB.Exec(
+					"ALTER TABLE ? ADD ? ?",
+					m.CurrentTable(stmt), clause.Column{Name: field.DBName}, m.DB.Migrator().FullDataTypeOf(field),
+				).Error
+			}
+			return nil
 		}
 		return fmt.Errorf("failed to look up field with name: %s", field)
 	})