text: const table = {};
  
  async function dbSelect(table, { uid }) {
    return [ table[uid] ];
  }
  
  async function dbUpdate(table, params, { uid }) {
    table[uid] = Object.assign({}, table[uid] || {}, params);
  }
  
  async function dbInsert(table, params) {
    table[params.uid] = params;
  }
  
  module.exports = {
    dbSelect,
    dbUpdate,
    dbInsert,
  };
  