Facebook 开源 Golang 实体框架 Ent 现已支持 TiDB

docker run -p 4000:4000 pingcap/tidb

git clone https://github.com/hedwigz/tidb-hello-world.git

go title="ent/schema/user.go"
 func (User) Fields() []ent.Field {
           return []ent.Field{
                  field.Time("created_at").
                          Default(time.Now),
                  field.String("name"),
                  field.Int("age"),
          }
 }

go title="main.go"
client, err := ent.Open("mysql", "root@tcp(localhost:4000)/test?parseTime=true")
if err != nil {
        log.Fatalf("failed opening connection to TiDB: %v", err)
}
defer client.Close()
// Run the auto migration tool, with Atlas.
if err := client.Schema.Create(context.Background(), schema.WithAtlas(true)); err != nil {
        log.Fatalf("failed printing schema changes: %v", err)
}

go title="main.go"
client.User.Create().
               SetAge(30).
               SetName("hedwigz").
               SaveX(context.Background())
user := client.User.Query().FirstX(context.Background())
fmt.Printf("the user: %s is %d years old\n", user.Name, user.Age)

$ go run main.go
the user: hedwigz is 30 years old