I uesd MongoDB v3.6.4 with mgo(gopkg.in/mgo.v2) package
Bson
var id interface{}
id = 249678041972736
bson.M{"_id": id}
var id int64
id = 249678041972736
bson.M{"_id": id}
Tow bsons are not same?
eg:
func GetUser(id interface{}) (*User, error) {
session := MongoDB()
defer session.Close()
var m *User
err := session.DB.C("user").Find(&bson.M{"_id": id}).One(&m)
// !!!err: not found
if err != nil {
return nil, err
} else {
return m, nil
}
}
but:
func GetUser(id int64) (*User, error) {
session := MongoDB()
defer session.Close()
var m *User
err := session.DB.C("user").Find(&bson.M{"_id": id}).One(&m)
// !!! err == nil
if err != nil {
return nil, err
} else {
return m, nil
}
}
GetUser(id interface{}) can get err (not found)
GetUser(id int64) can get nil err
Pay attention to error
I used function GetUser and import same value 249678041972736 but different parameter type get differents result
why???