0
保存後填充時,我正在對Mongoose模型丟失一些(但不是全部)更改。我將一個隨機(在這裏簡化爲第一個)元素從數組中拼接出來並分配給另一個變量。目標(activeTile)和數組(unusedTiles)都在數據庫中更新,但在填充調用中,我只看到更新的目標而不是數組。貓鼬填充丟失數組已保存的更改
// Executing code
console.log('==0> ' + gamestate.unusedTiles.length);
console.log('==0> ' + gamestate.activeTile.tile);
gamestate.nextTile(function(err, gamestate2) {
console.log('==2>' + gamestate2.unusedTiles.length);
console.log('==2>' + gamestate2.activeTile);
gamestate2.populate('activeTile unusedTiles', function(err, gamestate3) {
console.log('==3> ' + gamestate3.unusedTiles.length);
console.log('==3> ' + gamestate3.activeTile);
});
});
// And in the Mongoose model
var gamestateSchema = mongoose.Schema({
unusedTiles: [{ type: mongoose.Schema.Types.ObjectId, ref: 'Tile' }],
activeTile: { type: mongoose.Schema.Types.ObjectId, ref: 'Tile' }
});
gamestateSchema.methods.nextTile = function(callback) {
var gamestate = this;
gamestate.activeTile = gamestate.unusedTiles.splice(0, 1)[0];
gamestate.markModified('unusedTiles');
gamestate.save(function(err, gamestate1) {
console.log('==1> ' + gamestate1.unusedTiles.length);
console.log('==1> ' + gamestate1.activeTile);
callback(err, gamestate1);
});
}
,並將所得控制檯輸出顯示如下:
==0> 65
==0> 5356b8907b915c0000e068a2
==1> 64
==1> 5356b8907b915c0000e06887
==2> 64
==2> 5356b8907b915c0000e06887
==3> 65
==3> {
_id: 5356b8907b915c0000e06887,
... // rest of tile object
}
我希望在填入回調可以看出兩者的變化。所以unusedTiles數組的新長度應該是65而不是64.任何想法是怎麼回事?
我正在使用Mongoose 3.8.1。