Function connect

server/db.js:21–32

* connnect ensures that a postgres connection is available before continuing * @param {function} callback - function called once connection is confirmed.

(callback)

 * @param {function} callback - function called once connection is confirmed.
 */
function connect (callback) {
  // console.log('L45: PG_CLIENT._connecting:', PG_CLIENT._connecting,
  //   '| PG_CLIENT._connected:', PG_CLIENT._connected);
  if (PG_CLIENT && !PG_CLIENT._connected && !PG_CLIENT._connecting) {
    PG_CLIENT.connect(function (error, data) {
      utils.log_error(error, data, new Error().stack);
      return utils.exec_cb(callback, error, PG_CLIENT);
    });
  } else {
    return utils.exec_cb(callback, null, PG_CLIENT);
  }
}

/**
 * end used in testing to end/close the Postgres connection: