gistfile1.js

'use strict';



exports.seed = function(knex, Promise) {
  var players = knex('players');
  var users = knex('users');

  return new Promise(function(resolve, reject) {

    Promise.resolve([

      [players.del], 
      [users.del], 
      [users.insert, {id: 1, name: 'Joaozin'}],
      [players.insert, {id: 1, name: 'JoaozinPlayer', user_id: 1}],
      [users.insert, {id: 2, name: 'Mariazinha'}],
      [players.insert, {id: 2, name: 'MariazinhaPlayer', user_id: 2}],
      [users.insert, {id: 3, name: 'Joaquinzinho'}],
      [users.insert, {id: 3, name: 'JoaquinzinhoPlayer', user_id: 3}]
    ]).map(function(exec){

      return exec[1].call(exec[1], exec[2]);
    }, {concurrency: 1}).then(function(execs){
      
      resolve(execs);
    }).catch(function(err){

      reject(err);
    });

  });
};