outline/server/migrations/20190811231511-maintainers.js

module.exports = {
  up: async (queryInterface, Sequelize) => {
    await queryInterface.addColumn('collections', 'maintainerApprovalRequired', {
      type: Sequelize.BOOLEAN,
      allowNull: false,
      defaultValue: false,
    });
    await queryInterface.changeColumn('collection_users', 'permission', {
      type: Sequelize.STRING,
      allowNull: false,
      defaultValue: 'read_write',
    });
    await queryInterface.addIndex('collection_users', ['permission']);

  },
  down: async (queryInterface, Sequelize) => {
    await queryInterface.removeColumn('collections', 'maintainerApprovalRequired');
    await queryInterface.changeColumn('collection_users', 'permission', {
      type: Sequelize.STRING,
      allowNull: false,
      defaultValue: null,
    });
    await queryInterface.removeIndex('collection_users', ['permission']);
  },
};