public void UpdateOneNoMatched()
{
IMongoDatabase db = MongoBase.GetDatabase();
var col = db.GetCollection <Foo>("foo");
var opt = new UpdateOptions();
opt.IsUpsert = true; //是否插入
//读取数据，ID为不为空，再更新，会报以下错误
//insertDocument :: caused by :: 11000 E11000 duplicate key error index: MissionV2.foo.$_id_ dup key: { : ObjectId('577a1b2a9b3252d0c80529ae') }
//var myfoo = col.Find(x => x.Name == "tg").SingleOrDefault();
//myfoo.Name = "tg" + myfoo.Age;
//myfoo.Age += 1;
var myfoo = new Foo()
{
Name = "droba", Age = 40
};
var doc = new BsonDocument {
{ "$set", myfoo.ToBsonDocument() }
};
UpdateResult res = col.UpdateOne(x => x.Name == "nonamematch", doc, opt);
System.Diagnostics.Debug.WriteLine(res.ToJson());
}
public string CappedColVsRedis1_read()
{
this._db = MongoBase.GetDatabase();
var col = _db.GetCollection <MyUser>("cappedcol1");
var one = col.Find(x => x.age == 12).FirstOrDefault();
return(one.ToJson());
}
public void CreateCappedCollection()
{
this._db = MongoBase.GetDatabase();
this._db.CreateCollection("cappedcol1", new CreateCollectionOptions()
{
Capped = true,
MaxDocuments = 5,
MaxSize = 500
});
}
/// <summary>
/// 更新一个，但多个匹配
/// 只会更新第一个匹配
/// </summary>
public void UpdateOneManyMatched()
{
IMongoDatabase db = MongoBase.GetDatabase();
var col = db.GetCollection <Foo>("foo");
var doc = new BsonDocument {
{ "$set", new BsonDocument {
{ "Name", "droba" }, { "Age", 40 }
} }
};
UpdateResult res = col.UpdateOne(x => x.Sex == 1, doc);
System.Diagnostics.Debug.WriteLine(res.ToJson());
}
/// <summary>
/// 整个对象替换，效率不及UpdateOne，有针对性更新
/// </summary>
public void ReplaceOne()
{
IMongoDatabase db = MongoBase.GetDatabase();
var col = db.GetCollection <Foo>("foo");
var myfoo = col.Find(x => x.Name == "tg").SingleOrDefault();
myfoo.Name = "tg2";
myfoo.Age = 77;
ReplaceOneResult res = col.ReplaceOne(x => x.Id == myfoo.Id, myfoo);
System.Diagnostics.Debug.WriteLine(res.ToJson());
}
public void UpdateOne1()
{
IMongoDatabase db = MongoBase.GetDatabase();
var col = db.GetCollection <Foo>("foo");
var opt = new UpdateOptions();
opt.IsUpsert = true; //是否插入
var doc = new BsonDocument {
{ "$set", new BsonDocument {
{ "Sex", "wowen" }
} }
};
UpdateResult res = col.UpdateOne(x => x.Name == "tg", doc, opt);
System.Diagnostics.Debug.WriteLine(res.ToJson());
}
public void UpdateOne2()
{
IMongoDatabase db = MongoBase.GetDatabase();
var col = db.GetCollection <Foo>("foo");
var opt = new UpdateOptions();
opt.IsUpsert = true; //是否插入
var myfoo = col.Find(x => x.Name == "tg").SingleOrDefault();
myfoo.Name = "tg2";
myfoo.Age += 1;
var doc = new BsonDocument {
{ "$set", myfoo.ToBsonDocument() }
};
//var doc = myfoo.ToBsonDocument();
UpdateResult res = col.UpdateOne(x => x.Id == myfoo.Id, doc, opt);
System.Diagnostics.Debug.WriteLine(res.ToJson());
}
public void CappedColVsRedis1()
{
int level = 1000000;
this._db = MongoBase.GetDatabase();
//this._db.CreateCollection("col2redis", new CreateCollectionOptions()
//{
// Capped = true,
// MaxDocuments = level,
// MaxSize = level * 100
//});
var col = _db.GetCollection <MyUser>("col2redis");
MyUser my = new MyUser()
{
name = "tg",
age = 12,
amount = "1283"
};
col.InsertOne(my);
}
