剔除字段修正(gorm自带修正功能)

model/init.go

@@ -255,7 +255,6 @@ func (m *DBModel) initDatabase() (err error) {
 	if err = m.initFriendlink(); err != nil {
 		m.logger.Error("initFriendlink", zap.Error(err))
 	}
-	m.upgradeTableFieldLength()
 	return
 }
 
@@ -420,26 +419,3 @@ func (m *DBModel) generateQuerySort(db *gorm.DB, tableName string, querySort []s
 	}
 	return db
 }
-
-// upgradeFieldLength 升级修正数据库表字段长度
-func (m *DBModel) upgradeTableFieldLength() {
-	// 1. 调整IP字段长度为64位，以存储IPv6地址
-	table := map[string][]string{
-		Attachment{}.TableName(): {"ip"},
-		Comment{}.TableName():    {"ip"},
-		Download{}.TableName():   {"ip"},
-		Sign{}.TableName():       {"ip"},
-		User{}.TableName():       {"last_login_ip", "register_ip"},
-	}
-	sql := "ALTER TABLE `%s` CHANGE `%s` `%s` VARCHAR(64) NOT NULL DEFAULT ''"
-	for tableName, fields := range table {
-		for _, field := range fields {
-			execSQL := fmt.Sprintf(sql, tableName, field, field)
-			m.logger.Info("upgradeTableFieldLength", zap.String("execSQL", execSQL))
-			err := m.db.Exec(execSQL).Error
-			if err != nil {
-				m.logger.Error("upgradeTableFieldLength", zap.Error(err))
-			}
-		}
-	}
-}