我很难为用户查询,这被定义为:
type User struct {
ID int `db:"id" json:"id"`
UserName string `db:"username" json:"username"`
Email string `db:"email" json:"email"`
CreatedAt time.Time `db:"created_at" json:"created_at"`
StatusID uint8 `db:"status_id" json:"status_id"`
Deleted uint8 `db:"deleted" json:"deleted"`
...
}
MariaDB中的表格定义如下:
+--------------+------------------+------+-----+-------------------+----------------+
| Field | Type | Null | Key | Default | Extra |
+--------------+------------------+------+-----+-------------------+----------------+
| id | int(10) unsigned | NO | PRI | NULL | auto_increment |
| username | varchar(50) | NO | | NA | |
| email | varchar(255) | NO | | NULL | |
| created_at | datetime | NO | | CURRENT_TIMESTAMP | |
| status_id | tinyint(1) | NO | | 0 | |
| deleted | tinyint(1) | NO | | 0 | |
... |
然而,当我像这样询问:
func GetUsers(c *gin.Context) {
var users []model.User
err := shared.Dbmap.Select(&users, "SELECT * FROM user")
if err == nil {
c.JSON(200, users)
} else {
fmt.Println("%v \n", err)
c.JSON(http.StatusInternalServerError, gin.H{"error": "no user(s) in the table or problem in the query"})
}
// curl -i http://127.0.0.1:8080/api/v1/users
}
我得到了这个错误:
sql: Scan error on column index 3: unsupported Scan, storing driver.Value type []uint8 into type *time.Time
虽然桌子上有几行.
我也try 过created_at
作为timestamp
,但仍然得到同样的错误.
所以我不知道这里怎么了?我该怎么修?
P.S.虽然我的问题与this的答案相同,但这里的上下文不同(sqlx
而不是go-sql-driver/mysql
).此外,由于这里的错误是主题,它可能更容易搜索的人谁谷歌相同的错误.因此,也许这值得作为一个单独的问题保留.