Neutron Polarization Manipulator

    nosdb

    2.0.1 • Public • Published

    ## NosDB Node.js Client

    About NosDB

    NosDB is a 100% native .NET Open Source NoSQL Database (released under the Apache 2.0 License). NosDB is extremely fast and linearly scalable and allows your .NET applications to handle extreme transaction loads (XTP). NosDB also helps you accelerate your .NET development by providing a flexible JSON schema. With JSON, you can quickly adjust to your changing requirements and lower your time to market and your cost of ownership.

    About Node.js Client

    Alachisoft has enabled you to use NosDB through Node.js by providing this client. Simply use this and open the world of NoSql to your Node.js applications.

    How to install

          npm install nosdb
    

    How to use

    Perform following prerequisites and the sample code given below will execute without an issue.

    • Start Distributor Service (NosDistributorSvc).
    • Import Northwind sample data as explained in [InstallationDir]\samples\data\json\README.md of NosDB.
    • Provide correct password in the Connection String(connStr) hard-coded in the code below.
    var nosDBClient = require('nosdb').nosDBClient;
    var connStr = `data source=127.0.0.1 ; Database=northwind; Local Instance = false; 
            Distributor Address=127.0.0.1; Integrated Security=false; User Id=admin; password=4Islamabad;`;
    // Get database using the connection string
     
    nosDBClient.getDatabase(connStr, function (dbErr, db) {
        console.log(connStr);
        if (dbErr) throw dbErr;
        // Get instance of customers collection
        db.getCollection("Customers", function (collErr, customersCollection) {
            if (collErr) throw collErr;
            // Fetch customer from Customers collection
            getCustomer(db, function (err, reader) {
                if (err) throw err;
                reader.toArray(function (readerErr, array) {
                    if (readerErr) throw readerErr;
                    if (array[0]) {
                        var customerId = array[0].CustomerID;
                        var companyName = array[0].CompanyName;
                        var address = array[0].Address;
                        var city = array[0].City;
                        console.log("'" + array.length + "' record(s) retrieved");
                    }
                    else {
                        console.log("No document is retrieved against 'FRANK'.");
                    }
                });
                    // Release resources
                db.dispose();
            });                    
               
        });
    });
     
    /**
     * This method fetches customer from the collection
     * @param {dbCollection} coll collection from which customer will be fetched
     * @param {callback} callback callback that will be called after the operation
     */
    var getCustomer = function (db, callback) {
        var getQueryCmd = {
            query: 'Select *  from Customers WHERE CustomerID = @customerId',
            parameters: [{ name: 'customerId', value: "FRANK" }]
        };
        db.executeReader(getQueryCmd, callback);
    };

    Requirements

    NosDB 2.0 ENT or higher.

    Additional Resources

    Documentation

    The complete online documentation for NosDB is available at: http://www.alachisoft.com/resources/docs/#nosdb

    Programmers' Guide

    The complete programmers guide of NosDB is available at: http://www.alachisoft.com/resources/docs/nosdb/nosdb-programmers-guide.pdf

    Technical Support

    To request additional features in the future, or if you notice any discrepancy regarding this document, please drop an email to support@alachisoft.com.

    License

    Licensed under Apache License, Version 2.0. © Copyright 2017 Alachisoft

    Keywords

    none

    Install

    npm i nosdb

    DownloadsWeekly Downloads

    3

    Version

    2.0.1

    License

    Apache-2.0

    Last publish

    Collaborators

    • ncachedev
    • nosdb