c# mongodb driver

This article gives me some problems and solutions for developing and modifying MongoDB C + + driver for a long time.At present, the related engines introduced in this article have also released the closed source version, please download it yourselfLibrary version and related location: http://code.google.com/p/mongodb-c

option.16. Added some development issues.1] Skip + limit page flip, the more slow the back, some materials say that using the array element paging can solve, not yetI tried it. The more reliable method is to first find the ID of the last time and do not use skip when turning pages:Last_row_id = objectid ('....');DB. activity_stream-> Find ({_ ID: {$ LT: last_row_id },User_id: 20}). Sort ({_ ID:-1}). Limit (10 );2]. select only the fields that are actually needed3]. When updating a piece of data

 Official website http://mongoc.org/libmongoc/current/tutorial.html Download wget https://github.com/mongodb/mongo-c-driver/releases/download/1.6.3/mongo-c-driver-1.6.3.tar.gz$ tar xzf mongo-c-

MongoDB C # Driver (driver) IntroductionThere are currently two types of MongoDB drivers based on C #, namely the official drive () and the Samus driver ().This time we only demonstrate

MongoDB 3.0 uses the C # Call after security authentication to encounter problems related to the "System. TimeoutException" type exceptions in MongoDB. Driver. Core. dll, An exception of the "System. TimeoutException" type occurs in MongoDB.

- 1页数据 .Skip((index - 1) * size) // 选取一页数据 .Take(size) // 转换为集合 .ToListAsync();#endregion对内嵌数组的查询操作主要是通过聚合来实现，以上代码转换为Native方式后是以下命令。aggregate([ {"$match" : { "_id" : ObjectId("5aa877e4aa25752ab4d4cae3") } }, { "$unwind" : "$Records" }, { "$project" : { "Records" : "$Records", "_id" : 0 } }, { "$sort" : { "Records.RecorDateTime" : 1 } }, { "$skip" : 30 }, { "$limit" : 10 }]);If both System.Linq and MongoDB.Driver.Linq are referenced at the same time, the method ambi

1. Installing the MongoDb Driver package 2. Use the wrapper class: public class Mongodbwrapper:idisposable {private Mongoserver _server; Private Mongodatabase _db; Public Mongodbwrapper () {var uri = configurationsettings.appsettings["Mongourl"]; var url = new Mongourl (URI); var client = new Mongoclient (URL); _server = client. Getserver (); _db = _serve

Tags: div for doc Tab IDT C # ons ref util The first column lists the driver version (s). c#/.net Driver Version MONGODB 2.6 MONGODB 3.0

service. Run Cmd.exe > CD F: > CD F:\mongodb\bin > F:\mongodb\bin>mongod--dbpath F:\mongodb\data\db--logpath F:\mongodb\logs\mongodb.log--install-- ServiceName "MongoDB" Here Mongodb.log is the log file that was started,--servicename the "

MongoDB C # basic driver usage The official MongoDB C # driver can be obtained through this link. Link to the. msiand. Zip methods to obtain the driver dll file. This article introduces

Label:Recently, in order to resolve the need for high-speed write and multi-document type support for IM message logging, we decided to use MongoDB to resolve it.Considering that MongoDB has a higher requirement vs version, incompatible with my existing VS version, in Leveldb, Ssdb, Redis, HBase and other nosql relays a lap, and finally chose MongoDB, should have

Reprint: http://www.cnblogs.com/wilber2013/p/4175825.htmlMongoDB's Official C # driver can be obtained through this link. The link provides the. msi and. zip two ways to get the drive DLL files.Through this article to introduce the basic C # Drive database connection, adding and removing changes to check operations.When using

Tags: mongodb c + + driverAccording to the official website (https://github.com/mongodb/mongo-cxx-driver/wiki/quickstart-guide-(new-driver)), the C + + driver internal use of Libbson an

MongoDB's Official C # driver can be obtained through this link. The link provides the. msi and. zip two ways to get the drive DLL files.Through this article to introduce the basic C # Drive database connection, adding and removing changes to check operations.When using C # drivers, add references to "MongoDB.Bson.dll"

Label:Windows installation of MongoDB C language Program driver must rely on cross-compiling software cmake, but the official website of the documents for some details account of very unclear, yesterday took half a day, finally successfully installed, the steps are as follows: 1. Download MongoDB to extract the Mongo-

The MongoDbCsharpHelper class (CRUD class) is encapsulated based on the official MongoDb C # driver ), MongoDb is used as a log persistence object in recent work. MongoDb needs to be added, deleted, modified, and queried. However, because

(cursor.hasNext())printjson(cursor.next()); >db.things.find().forEach(printjson); >varcursor=db.things.find(); >printjson(cursor[4]); >vararr=db.things.find().toArray(); >arr[5]; >db.things.find({name:"mongo"}).forEach(printjson); >db.things.find({x:4},{j:true}).forEach(printjson); >printjson(db.things.findOne({name:"mongo"})); >db.things.find().limit(3); 3: C # driver The follo

System: centos7.2Indicates that all source stacking is1. Prepare the MongoDB C + + driver dependencyYum-y Install Epel-releaseYum install-y git gcc gcc-c++ OpenSSL openssl-devel make Texinfo patch imake wget perl-test-harness perl-thread-queue Perl-data-dumper Help2man cyrus-sasl-devel glib-devel gettext gettext-devel

install default installation PcreCompile Build Libmongoclient.aDownload the latest C + + driver on the MongoDB website, links such as the following:http://dl.mongodb.org/dl/cxx-driver/Download the Cxx-driver/mongodb-linux-x86_64-

({x: 4}, {j: true}). forEach (printjson ); Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->> Printjson (db. things. findOne ({name: "mongo "})); Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->> Db. things. find (). limit (3 ); 3: c # driver The following describes several