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在postgres重复查询会报错显示 prepared statement already exists (SQLSTATE 42P05)

Ecalose opened this issue · comments

复现代码如下

type User struct {
	ID         uint   `gorm:"primaryKey"`
	Username   string `gorm:"unique;not null"`
	Email      string `gorm:"unique;not null"`
	Password   string
	ReferrerID *uint
	CreatedAt  time.Time
	UpdatedAt  time.Time
	Referrer   *User `gorm:"foreignKey:ReferrerID"`
}
func main() {
		dsn := "user= password= TimeZone=Asia/Shanghai"
	db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{
		Logger: logger.Default.LogMode(logger.Error),
		NamingStrategy: schema.NamingStrategy{
			TablePrefix: "test.",
		},
	})
	if err != nil {
		panic("open error:" + err.Error())
	}
	user1 := new(User)
	db.First(&user1, 1)
	fmt.Println(user1)
}

第一次查询没有问题,但如果随后再运行一次则会报错,报错结果如下

ERROR: prepared statement "stmtcache_1bf13e07b440e6435429cc5d947ef4bea4959aebb2634e29" already exists (SQLSTATE 42P05)
[522.992ms] [rows:0] SELECT * FROM "test"."users" WHERE "users"."id" = 1 ORDER BY "users"."id" LIMIT 1

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