MySQL data import to MongoDB by ruby.

MySQLtoMongoDB.md

MySQL

How to use mysql2

gem install mysql2

require 'mysql2'

ms_client = Mysql2::Client.new(
              host: 'localhost',
              username: 'root',
              database: 'db'
            )

results = ms_client.query('SELECT * FROM users')

results.each do |row|
  puts row
end

MongoDB

How to use mongo

gem install mongo

require 'mongo'

include Mongo

mg_client = MongoClient.new('localhost')
db = mg_client.db('db')
users = db.collection('users')

results = users.find

results.each do |row|
  puts row
end