Contents

# frozen_string_literal: true

class CreateRatingTables < ActiveRecord::Migration[5.0]
  def change
    create_table :rating_rates do |t|
      t.decimal :value, default: 0, precision: 17, scale: 14

      t.references :author  , index: true, null: false, polymorphic: true
      t.references :resource, index: true, null: false, polymorphic: true

      t.timestamps null: false
    end

    add_index :rating_rates, %i[author_id author_type resource_id resource_type],
      name:   :index_rating_rates_on_author_and_resource,
      unique: true

    create_table :rating_ratings do |t|
      t.decimal :average , default: 0, mull: false, precision: 17, scale: 14
      t.decimal :estimate, default: 0, mull: false, precision: 17, scale: 14
      t.integer :sum     , default: 0, mull: false
      t.integer :total   , default: 0, mull: false

      t.references :resource, index: true, null: false, polymorphic: true

      t.timestamps null: false
    end

    add_index :rating_ratings, %i[resource_id resource_type], unique: true
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
rating-0.1.0	lib/generators/rating/templates/db/migrate/create_rating_tables.rb