create_images.rb

class CreateImages < ActiveRecord::Migration
  def self.up
    create_table :images do |t|
      t.references :solution
      t.string :data_file_name
      t.string :data_content_type
      t.integer :data_file_size
      t.datetime :data_updated_at
      t.string :description
      t.integer :part_id
      t.integer :project_id
      t.string :caption
      t.string :name
      t.integer :user_id
      t.timestamps
    end
    add_index :images, :solution_id
  end

  def self.down
    drop_table :images
  end
end