我有ItemCatalog集合,其中包含类型,单位,项目。集看起来像下面猫鼬在同一集合中填充引用
{
"_id": ObjectId("57b188d67aa27ae4ee87e11c"),
"type": [
{
"_id" : ObjectId("57b188d6e128064381ae2f2f"),
"typeName" : "abc"
}
],
"__v": 0,
"unit": [
{
"_id" : ObjectId("57b188e4e128064381ae2f54"),
"unit" : "mg"
}
],
"items": [
{
"itemStrength" : "100",
"itemName" : "a1",
"idType" : ObjectId("57b188d6e128064381ae2f2f"),
"idUnit" : ObjectId("57b188e4e128064381ae2f54"),
"isActive" : true,
"_id" : ObjectId("57b188f3e128064381ae2f7a")
}
]
}
我怎么能检索的活跃和项目数据的
var Categories = new Schema({
typeName: String
});
var MeasurementUnit = new Schema({
unit: String
});
var Items = new Schema({
itemName: String,
itemStrength: String,
idType: { type: Schema.Types.ObjectId, ref: 'Categories' },
idUnit: { type: Schema.Types.ObjectId, ref: 'MeasurementUnit' },
isActive: Boolean
});
var ItemCatalog = new Schema({
type: Categories,
unit: MeasurementUnit,
items: Items
});
文件填充idType和idUnit,而不是获取整个文档,并在客户端循环?
想要的数据是这样的
{
_id: "57b188d67aa27ae4ee87e11c",
drugs: [
{
itemStrength: "100",
itemName: "a1",
typeName: "abc",
unit: "mg",
isActive: true,
_id: "57b188f3e128064381ae2f7a"
}
]
}
请建议最好的方式来实现相同的。
我不认为这是可能的使用人口,因为'type'和'unit'存储为[子文档](http://mongoosejs.com/docs/subdocs.html),而不是在单独的集合中。 – robertklep
谢谢@robertklep – vijay