Mgo self-increment id of golang
Import (
"fmt"
"gopkg.in/mgo.v2"
"gopkg.in/mgo.v2/bson"
".. /.. / funcs"
)
/ / id increments from 1
Func GenId (db * mgo.Database) (int64, error) {
IDInt64: = struct {
Value int64 `bson: "max_id" `
} {Value: 1}
_, err: = db.C ("gen_id") .find (bson.M {}) .Apply (mgo.Change {Update: bson.M {"$inc": IDInt64}, Upsert: true, ReturnNew: true}, & IDInt64)
Return IDInt64.Value, err
}
