Golang Mongo insert

mongo_insert.go

package main

import (
	"fmt"
	"time"
	"os"
	"labix.org/v2/mgo"
	"labix.org/v2/mgo/bson"
)

type Person struct {
	ID			bson.ObjectId	`bson:"_id,omitempty"`
	Name		string			`bson:"nm"`
	Phone		string			`bson:"ph"`
	Created		time.Time		`bson:"c,omitempty"`
}

func main() {
	//get session
	session, err := mgo.Dial("localhost")
	if err != nil {
		fmt.Printf("dial fail %v\n", err)
		os.Exit(1)
	}
	defer session.Close()

	//error check on every access
	session.SetSafe(&mgo.Safe{})

	//get collection
	collection := session.DB("test_db").C("people")

	//build record
	people := [...]Person{Person{ID: bson.NewObjectId(),
					Name: "Gordon Sumner",
					Phone: "+11 22 3456 7890",
					Created: time.Now()},
				Person{ID: bson.NewObjectId(),
					Name: "Andy Summers",
					Phone: "+11 22 4567 7890",
					Created: time.Now()},
				Person{ID: bson.NewObjectId(),
					Name: "Stewart Copeland",
					Phone: "+11 22 5678 7890",
					Created: time.Now()}}

	//insert
	for i, v := range people {
		err = collection.Insert(v)
		if err != nil {
			fmt.Printf("insert fail #%d %v\n", i, err)
			os.Exit(1)
		}
	}
}