xorm/examples/derive.go
2014-04-11 17:16:43 +08:00

68 lines
1.0 KiB
Go

package main
import (
"fmt"
"os"
"github.com/go-xorm/xorm"
_ "github.com/mattn/go-sqlite3"
)
type User struct {
Id int64
Name string
}
type LoginInfo struct {
Id int64
IP string
UserId int64
}
type LoginInfo1 struct {
LoginInfo `xorm:"extends"`
UserName string
}
func main() {
f := "derive.db"
os.Remove(f)
Orm, err := xorm.NewEngine("sqlite3", f)
if err != nil {
fmt.Println(err)
return
}
defer Orm.Close()
Orm.ShowSQL = true
err = Orm.CreateTables(&User{}, &LoginInfo{})
if err != nil {
fmt.Println(err)
return
}
_, err = Orm.Insert(&User{1, "xlw"}, &LoginInfo{1, "127.0.0.1", 1})
if err != nil {
fmt.Println(err)
return
}
info := LoginInfo{}
_, err = Orm.Id(1).Get(&info)
if err != nil {
fmt.Println(err)
return
}
fmt.Println(info)
infos := make([]LoginInfo1, 0)
err = Orm.Sql(`select *, (select name from user where id = login_info.user_id) as user_name from
login_info limit 10`).Find(&infos)
if err != nil {
fmt.Println(err)
return
}
fmt.Println(infos)
}