func Example() {
// Connect to server.
conn, err := mongo.Dial("localhost")
if err != nil {
log.Fatal(err)
}
defer conn.Close()
c := mongo.Collection{conn, "example-db.example-collection", mongo.DefaultLastErrorCmd}
// Insert a document.
id := mongo.NewObjectId()
err = c.Insert(&ExampleDoc{Id: id, Title: "Hello", Body: "Mongo is fun."})
if err != nil {
log.Fatal(err)
}
// Find the document.
var doc ExampleDoc
err = c.Find(map[string]interface{}{"_id": id}).One(&doc)
if err != nil {
log.Fatal(err)
}
log.Print(doc.Title, " ", doc.Body)
}
// Dynacmiaclly create headers for a csv
// file by getting setting the field names
// into a slice
// accepts a collection
// returns collection, err
func CreateHeadersDyn(c mongo.Collection) []string {
var m mongo.M
err := c.Find(nil).One(&m)
if err != nil && err != mongo.Done {
log.Fatal(err)
}
var header []string
for k, _ := range m {
header = append(header, fmt.Sprint(k))
}
return header
}
func evict(m map[string]interface{}, collection *mongo.Collection) {
fmt.Println("Removing", m["_id"])
collection.Remove(mongo.M{"_id": m["_id"]})
}