Node.js 尝试在mongoose中使用$in查找记录
我正试图在猫鼬中找到使用$in的记录。但这对我不起作用。我在MongoShell中有相同的查询,但在mongoose中它不工作 我的模式Node.js 尝试在mongoose中使用$in查找记录,node.js,mongodb,mongoose,Node.js,Mongodb,Mongoose,我正试图在猫鼬中找到使用$in的记录。但这对我不起作用。我在MongoShell中有相同的查询,但在mongoose中它不工作 我的模式 { "_id": "574f1f979f44e7531786c80f", "name": "mySchool2", "branch": "karachi", "location": "Clifton ", "block": false, "created_at": 146480322344
{
"_id": "574f1f979f44e7531786c80f",
"name": "mySchool2",
"branch": "karachi",
"location": "Clifton ",
"block": false,
"created_at": 1464803223441,
"updated_at": 1464803223441,
"__v": 0,
"classes": [
"574f216afd487958cd69772a"
],
"admin": [
"574f20509f44e7531786c811",
"57508a2a3a0a919c16ace3c0"
],
"teacher": [
"574f20f39f44e7531786c812",
"575002b48188a3f821c2a66e",
"57500bbaea09bc400d047bf6"
],
"student": [
"574f2d56590529c01a2a473b",
"574f2e5842c5885b1b1729ab",
"574f2ed542c5885b1b1729ae",
"574f2f57555210991bf66e07",
"574f2fcd087809b11bd8d5e4",
"574f301d1f5025d61b7392b6",
"574f30481d02afff1bb00c71",
"574f30b01d02afff1bb00c74",
"574f310038136b3d1cf31b96"
]
}
我的mongose问题
app.services._chkAdminSchool = function(payload){
var deferred = q.defer();
School
//.find({ teacher:{$in:['574f20f39f44e7531786c812']}})
.find({_id : "574f1f979f44e7531786c80f",admin:{"$in":[Object("57508a2a3a0a919c16ace3c0")]}})
//.select(filers)
.exec(function(error, record) {
if (error) {
deferred.reject({
status:404,
message: 'Error in API',
error: error
});
} else {
if(record.length === 0){
deferred.reject({
message: 'Admin and school doesnot match',
data: record
});
}else{
deferred.resolve({
message: 'Successfully get Admin',
data: record
});
}
}
});
return deferred.promise;
}
记录返回空数组。
提前感谢您的帮助您使用的查询对我来说运行良好并返回对象,请确保在模式中定义admin字段,如下所示:
"admin": [{type: mongoose.Schema.ObjectId }]
以避免管理数组对象为字符串。如果您将
对象(“57508a2a3a0a919c16ace3c0”)
与“57508a2a3a0a919c16ace3c0”进行比较,它将返回空数组,请检查并重播给我,谢谢。您使用的查询对我来说运行良好并返回对象,请确保您在架构中定义了如下管理字段:
"admin": [{type: mongoose.Schema.ObjectId }]
以避免管理数组对象为字符串。如果您将对象(“57508a2a3a0a919c16ace3c0”)
与“57508a2a3a0a919c16ace3c0”进行比较,它将返回空数组,请检查并重播给我,谢谢。我不确定您如何定义学校架构,但如果您将id
作为字符串保存在admin
数组中,您不需要在mongoose查询中更改为Object
School.find({
_id: "574f1f979f44e7531786c80f",
admin: {
$in : ['57508a2a3a0a919c16ace3c0']
}
}, functin (err, record) {
...
})
我不确定如何定义学校模式,但如果要在admin
数组中将id
保存为字符串,则无需在mongoose查询中更改为Object
School.find({
_id: "574f1f979f44e7531786c80f",
admin: {
$in : ['57508a2a3a0a919c16ace3c0']
}
}, functin (err, record) {
...
})
'var SchoolSchema=new Schema({name:{type:String,required:true,unique:true},branch:{type:String},location:{type:String},block:{type:Boolean},webURL:{type:String},在:{type:Number}创建,在:{type:Number},更新:{type:Number},学生:{type:Array},教师:{type:Array},admin:{type:Array},class:{type:Array}});“这是我的模式,我尝试了ObjectID和简单id字符串来查找管理员。但是它不起作用”var SchoolSchema=new模式({name:{type:string,required:true,unique:true},分支:{type:string},位置:{type:string},block:{type:Boolean},webURL:{type:String},创建:{type:Number},更新:{type:Number},学生:{type:Array},教师:{type:Array},管理员:{type:Array},班级:{type:Array})在我的模式中,我尝试了ObjectID和简单id字符串来查找管理员。但是它不起作用