Created
May 3, 2016 20:56
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using System; | |
using System.Collections.Generic; | |
using System.IO; | |
using System.Linq; | |
using System.Threading; | |
using System.Threading.Tasks; | |
using MongoDB.Bson; | |
using MongoDB.Bson.IO; | |
using MongoDB.Bson.Serialization; | |
using MongoDB.Bson.Serialization.Attributes; | |
using MongoDB.Bson.Serialization.Conventions; | |
using MongoDB.Driver; | |
using MongoDB.Driver.Linq; | |
namespace TestBugs | |
{ | |
internal class Program | |
{ | |
private static void Main(string[] args) | |
{ | |
var client = new MongoClient(); | |
var db = client.GetDatabase("test"); | |
db.DropCollection("people"); | |
var col = db.GetCollection<Person>("people"); | |
col.InsertOne(new Person | |
{ | |
First = "Jack", | |
Last = "McJack", | |
Age = 42 | |
}); | |
Console.WriteLine("Lambdas"); | |
var query = col.Find("{}").Project(p => new Person { First = p.First }); | |
Console.WriteLine(query.ToString()); | |
foreach (var result in query.ToList()) | |
{ | |
Console.WriteLine(result.ToString()); | |
} | |
Console.WriteLine("Projection"); | |
query = col.Find("{}").Project<Person>(Builders<Person>.Projection.Exclude("Last").Exclude("Age")); | |
Console.WriteLine(query.ToString()); | |
foreach (var result in query.ToList()) | |
{ | |
Console.WriteLine(result.ToString()); | |
} | |
} | |
public class Person | |
{ | |
public ObjectId Id; | |
public string First; | |
public string Last; | |
public int Age; | |
public override string ToString() | |
{ | |
return $"{First} {Last}, {Age}"; | |
} | |
} | |
} | |
} |
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