问题描述:
1.golang使用sqlx的事务时,报错
2.代码如下
package main
import (
"log"
_ "github.com/lib/pq" // PostgreSQL
"github.com/jmoiron/sqlx"
"github.com/lib/pq"
"fmt"
)
type Test struct {
Id int `json:"id" db:"id" form:"id"`
Name string `json:"name" db:"name" form:"name"`
Role pq.Int64Array `json:"role" db:"role" form:"role"`
}
func main() {
db, err := sqlx.Connect("postgres", "user=postgres password=*** dbname=*** sslmode=disable")
if err != nil {
log.Panicln(err)
}
defer db.Close()
db.SetMaxOpenConns(1)
tx, err := db.Beginx()
test := Test{Name: "name", Role: []int64{1, 2, 3}}
_, err1 := tx.NamedQuery(`INSERT INTO test(name,role) VALUES (:name,:role)returning id`, test)
fmt.Println(err1)
_, err1 = tx.NamedQuery(`INSERT INTO test(name,role) VALUES (:name,:role)returning id`, test)
fmt.Println(err1)
_, err1 = tx.NamedQuery(`INSERT INTO test(name,role) VALUES (:name,:role)returning id`, test)
fmt.Println(err1)
_, err1 = tx.NamedQuery(`INSERT INTO test(name,role) VALUES (:name,:role)returning id`, test)
fmt.Println(err1)
_, err1 = tx.NamedQuery(`INSERT INTO test(name,role) VALUES (:name,:role)returning id`, test)
fmt.Println(err1)
tx.Commit()
}
3.输出如下:
<nil> pq: unexpected Parse response 'D' driver: bad connection driver: bad connection driver: bad connection Process finished with exit code 0
4.把namedquery()换成namedexec()是可以通过的,但是我想拿到第一条语句返回的主键,才能进行后面的操作。
5.求大神解答,谢谢
第 1 个答案:
没直接看出毛病,又懒得写代码验证,试着猜一下
values()returning idvalues() returing id
树莓派3插上电源只有红色灯亮,CPU温度很高,然后插上显示器没反应,进入不了系统,SD重写了很多次也不行。是板子烧了吗还是sd卡坏了,SD卡电脑上可以识别。