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