数据库的值是null的时候 只获取某列会报错

[w3eee]

写法
var name string has, err := engine.Where("id = ?", id).Cols("name").Get(&name) 数据库的name值是NULL
报错信息如下:
sql: Scan error on column index 0: unsupported Scan, storing driver.Value type <nil> into type *string