require 'carto/db/migration_helper'

include Carto::Db::MigrationHelper

migration(
  Proc.new do
    drop_table :visualization_backups
    create_table :visualization_backups do
        Uuid      :id,                primary_key: true, default: Sequel.lit('uuid_generate_v4()')
        foreign_key :user_id, :users, type: :uuid, null: false, on_delete: :cascade
        Uuid      :visualization_id,  null: false
        DateTime  :created_at,        default: Sequel::CURRENT_TIMESTAMP
        String    :category,          null: false
        json      :export,            null: false
    end
  end,
  Proc.new do
    drop_table :visualization_backups
    create_table :visualization_backups do
      String    :username,        null: false
      Uuid      :visualization,   null: false, primary_key: true
      String    :export_vizjson,  null: false
      DateTime  :created_at,      default: Sequel::CURRENT_TIMESTAMP
    end
  end
)