socialforge/db/migrate/20161220062249_create_contests.rb

class CreateContests < ActiveRecord::Migration
  def change
    drop_table :contests
    drop_table :contest_notifications
    drop_table :contesting_projects
    drop_table :contesting_softapplications
    drop_table :contestnotifications

    create_table :contests do |t|
      t.integer :user_id
      t.string :name
      t.text :description
      t.boolean :is_public
      t.boolean :is_delete, :default => false
      t.integer :visits, :default => 0
      t.string :invite_code
      t.integer :invite_code_halt, :default => 0

      t.timestamps
    end

    for i in 1 .. 779
      Contest.create(:user_id => 2, :name => 'test', :is_public => false, :is_delete => true)
    end
  end
end