db/migrate/20180509103163_make_attachments_polymorphic.decidim_participatory_processes.rb
# frozen_string_literal: true
# This migration comes from decidim_participatory_processes (originally 20170123134023)
class MakeAttachmentsPolymorphic < ActiveRecord::Migration[5.0]
def change
transaction do
remove_index :decidim_participatory_process_attachments, name: "index_decidim_processes_attachments_on_decidim_process_id"
rename_table :decidim_participatory_process_attachments, :decidim_attachments
add_column :decidim_attachments, :attachable_type, :string
execute("UPDATE decidim_attachments SET attachable_type = 'Decidim::ParticipatoryProcess'")
rename_column :decidim_attachments, :decidim_participatory_process_id, :attachable_id
add_index :decidim_attachments, [:attachable_id, :attachable_type]
change_column_null(:decidim_attachments, :attachable_id, false)
change_column_null(:decidim_attachments, :attachable_type, false)
end
end
end