Function query

packages/pg-native/test/load.js:8–12

(n, cb)

  const client = new Client()
  client.connectSync()
  const query = function (n, cb) {
    client.query('SELECT $1::int as num', [n], function (err) {
      cb(err)
    })
  }
  return async.timesSeries(
    5,
    query,