farhatahmad / greenlight

class CreateActiveStorageTables < ActiveRecord::Migration[5.2]

  def change

    create_table :active_storage_blobs do |t|

      t.string   :key,        null: false

      t.string   :filename,   null: false

      t.string   :content_type

      t.text     :metadata

      t.bigint   :byte_size,  null: false

      t.string   :checksum,   null: false

      t.datetime :created_at, null: false

      t.index [:key], unique: true

    end

    create_table :active_storage_attachments do |t|

      t.string     :name,     null: false

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

      t.references :blob,     null: false

      t.datetime :created_at, null: false

      t.index [:record_type, :record_id, :name, :blob_id], name: "index_active_storage_attachments_uniqueness", unique: true

      t.foreign_key :active_storage_blobs, column: :blob_id

    end

  end

end