Simple iteration of mongo documents

simplemongoiteration.go

// This is an example program that iterates over all 
// items in a mongodb collection in a memory safe way
package main 

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

type Item struct {
	Id string `bson:"_id,omitempty"`
	Name string `bson:"name"`
	Active bool `bson:"active"`
}

func main() {
	
	session, err := mgo.Dial("127.0.0.1")
	if err != nil {
		panic(err)
	}
	defer session.Close()
	
	session.SetMode(mgo.Monotonic, true)
	
	c := session.DB("database").C("collection")
	
	item := Item{}
	
	find := c.Find(bson.M{})
	
	items := find.Iter()
	for items.Next(&item) {
		fmt.Println(item.Name)
	}
}