2 篇博文 含有标签「mongoose」

{
    "_id" : "Football",
    "ancestors" : [
        "Categories",
        "Sports and fitness"
     ],
     "parent" : "Sports and fitness"
}

var mongoose = require('mongoose');

var Category = mongoose.Schema({
    _id: String
});

var categorySchema = mongoose.Schema({
    ancestors: [Category],
    parent: [Category]
});


//  Initiate database connection
var db = mongoose.createConnection('mongodb://localhost/Categories');
db.on('error', console.error.bind(console, 'connection error:'));
db.once('open', function callback () {
  console.log("openDB categories");
});

module.exports.category = db.model('Category', categorySchema);

var categoryModel = require('../models/Category');
var Category = categoryModel.category;

exports.getAncestors = function(req, res) {
    if (req.params.id == undefined){res.send("no id specified!"); return;}

    Category.findOne({_id: 'Football'}, 'ancestors', function(err, ancestors){
        if(err) console.log(err);

        res.send(ancestors);
    });
}

{ message: 'Cast to ObjectId failed for value "Football" at path "_id"',
  name: 'CastError',
  type: 'ObjectId',
  value: 'Football',
  path: '_id' }

var categorySchema = mongoose.Schema({
    _id: String,
    ancestors: [{type: String }],
    parent: {type: String}
},{ _id: false });

var Category = mongoose.model( "Category", categorySchema );

var options = {
    server: {
      socketOptions: {
        autoReconnect: true,
        connectTimeoutMS: 10000,
        socketTimeoutMS: 10000,
      },
    },
  }

// Good way to make sure mongoose never stops trying to reconnect
mongoose.connect(uri, options);