loopback-connector-sqlite/examples/crud_with_automigrate.js

LoopBack SQLite3 Database Connector. LoopBack is an API Mgmt/MBaas platform built on top of express by StrongLoop. It supports the notion of connectors to connect to databases, restful web services, soap web services etc.

/**
* Created by tushar-chauhan on 12-Apr-2015
*/

var DataSource = require('loopback-datasource-juggler').DataSource;
var db = new DataSource(require('../index'), {
  file_name: 'dev.sqlite3',
  debug: false
});

var model = {
  'name': {'type': String, 'required': true},
  'universe': {'type': String}
};

var Superhero = db.define('Superhero', model);

var heroes = [
  {name: 'Batman', universe: 'DC'},
  {name: 'The Hulk', universe: 'Marvel Comics'},
  {name: 'Green Arrow', universe: 'DC'},
  {name: 'Superman', universe: 'DC'},
  {name: 'Aquaman', universe: 'DC'},
];

//Auto Migrate
db.automigrate(function(){
  // CREATE
  Superhero.create(heroes, function(err, h){
    if(err){
      console.log(err);
    } else {
      console.log("Created: \n", h);
      // FIND
      Superhero.find({where: {universe: 'DC'}}, function(err, arr){
        console.log("\nFind by universe 'DC' : \n", arr);
        // UPDATE
        Superhero.update({universe: 'DC'}, {universe: 'DC Comics'}, function(err, data){
          console.log("\nData after updating universe:");
          //Show All
          Superhero.all(function(err, data){
            console.log(data);
            console.log("\nData after deleting a row:");
            // DELETE
            Superhero.destroyAll({name: 'Aquaman'}, function(err, data){
              //Show All after delete
              Superhero.all(function(err, data){
                console.log(data);
              });
            });
          });
        });
      });
    }
  });
});