if v, ok := schema.FieldsByDBName[field.DBName]; !ok || ((field.Creatable || field.Updatable || field.Readable) && len(field.BindNames) < len(v.BindNames)) {
				if _, ok := schema.FieldsByDBName[field.DBName]; !ok {
					schema.DBNames = append(schema.DBNames, field.DBName)
				}
				schema.FieldsByDBName[field.DBName] = field
				schema.FieldsByName[field.Name] = field

						// not found, add column
						if err = execTx.Migrator().AddColumn(value, dbName); err != nil {
							return err
						}
					} else {
						// found, smartly migrate
						field := stmt.Schema.FieldsByDBName[dbName]
						if err = execTx.Migrator().MigrateColumn(value, field, foundColumn); err != nil {
							return err
						}
					}
				}