Gorm gorm最新版Has Many只写入了关联数组的第一个

测试程序如下：

package main

import (
    "fmt"
    "gorm.io/driver/sqlite"
    "gorm.io/gorm"
    "log"
    "time"
)

type Card struct {
    CardName    string  `gorm:"column:cardName;"`
    CardId      int     `gorm:"column:cardId;"`
    UserID      uint    `gorm:"index"`
}

type User struct {
    ID      uint        `gorm:"primarykey"`
    Name    string      `gorm:"column:name; type:varchar(64)"`
    Time    time.Time
    Cards   []Card
}

func main(){
    var user User
    var card Card
    db, err := gorm.Open(sqlite.Open("test.db"), &gorm.Config{})
    if err != nil {
        log.Panic(err)
    }
    _ = db.AutoMigrate(&user)
    _ = db.AutoMigrate(&card)
    ret := dataEncode(1)
    /*create data*/
    err = db.Save(&ret).Error
    if err != nil {
        log.Printf("create user error, err = %v", err)
    }
    ret = dataEncode(2)
    err = db.Create(&ret).Error
    if err != nil {
        log.Printf("create user error, err = %v", err)
    }
    /*query data*/
    err = db.Preload("Cards").Last(&user).Error
    if err != nil {
        log.Printf("query data error, err = %v", err)
    }
    log.Printf("cards len is %d", len(user.Cards))
}


func dataEncode(index int) User {
    return User{
        Name: fmt.Sprintf("name-%d", index),
        Time: time.Now(),
        Cards: []Card{
            {
                CardName: fmt.Sprintf("card%d-01", index),
                CardId: 32,
            },
            {
                CardName: fmt.Sprintf("card%d-02", index),
                CardId: 33,
            },
            {
                CardName: fmt.Sprintf("card%d-03", index),
                CardId: 34,
            },
        },
    }
}

出现问题的go.mod:

module sqlite-gorm

go 1.16

require (
    gorm.io/driver/sqlite v1.3.1
    gorm.io/gorm v1.23.1
)

我尝试使用Has Many功能，一个User关联三个Card.但是执行代码发现，Card只被写入了一个。

---

正常的go.mod

module sqlite-gorm

go 1.16

require (
    gorm.io/driver/sqlite v1.1.6
    gorm.io/gorm v1.21.16
)

当我回退gorm和sqlite版本之后，一个User的三个Card均被正常写入。

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