Mongodb 如何将多个推送到嵌套数组
我的目标如下:Mongodb 如何将多个推送到嵌套数组,mongodb,nosql,Mongodb,Nosql,我的目标如下: { "_id" : ObjectId("5d7052a3807ab14e286ba5bd"), "companyBases" : [ { "vehicles" : [], "_id" : ObjectId("5d7052a3807ab14e286ba5b0"), "name" : "Tech Parking 3", "location" : {
{
"_id" : ObjectId("5d7052a3807ab14e286ba5bd"),
"companyBases" : [
{
"vehicles" : [],
"_id" : ObjectId("5d7052a3807ab14e286ba5b0"),
"name" : "Tech Parking 3",
"location" : {
"lng" : 50.01744,
"lat" : 20.033522
},
"country" : ObjectId("5d7052a2807ab14e286ba578"),
"__v" : 0
},
{
"vehicles" : [],
"_id" : ObjectId("5d7052a3807ab14e286ba5af"),
"name" : "Tech Parking 2",
"location" : {
"lng" : 50.036017,
"lat" : 20.086752
},
"country" : ObjectId("5d7052a2807ab14e286ba578"),
"__v" : 0
}
],
"nameOfCompany" : "Transport Tech Service 2 ",
"plan" : {
"name" : "Enterprise",
"vehicles" : 56,
"companyBases" : 10,
"users" : 10,
"price" : 1200
},
"__v" : 0
}
我尝试过这样做:
db.companies.update(
{
_id: ObjectId("5d7052a3807ab14e286ba5bd")
},
{
$push: {
"companyBases.$[filter1].vehicles": {
"name": "Truck 1",
"combustion": 28
},
"companyBases.$[filter2].vehicles": {
"name": "Truck 2",
"combustion": 28
}
}
},
{
"arrayFilters": [
{
"filter1._id": "5d7052a3807ab14e286ba5b0"
},
{
"filter2._id": "5d7052a3807ab14e286ba5af"
}
]
}
)
但是,它不会更新我的嵌套数组“vehicles”
它返回给我:
WriteResult({ "nMatched" : 1, "nUpserted" : 0, "nModified" : 0 })
我查了身份证,没问题。几天前,我创建了类似的问题,但使用$set pipeline而不是$push-,但我认为可以将该示例重写为$push。问题:在数组过滤器中,id与字符串匹配,而不是与ObjectId匹配。 以下查询将精确更新集合:
db.companies.update(
{
_id: ObjectId("5d7052a3807ab14e286ba5bd")
},
{
$push: {
"companyBases.$[filter1].vehicles": {
"name": "Truck 1",
"combustion": 28
},
"companyBases.$[filter2].vehicles": {
"name": "Truck 2",
"combustion": 28
}
}
},
{
"arrayFilters": [{
"filter1._id": ObjectId("5d7052a3807ab14e286ba5b0")
},
{
"filter2._id": ObjectId("5d7052a3807ab14e286ba5af")
}
]
}
)
问题:在数组筛选器中,id与字符串匹配,而不是与ObjectId匹配 以下查询将精确更新集合:
db.companies.update(
{
_id: ObjectId("5d7052a3807ab14e286ba5bd")
},
{
$push: {
"companyBases.$[filter1].vehicles": {
"name": "Truck 1",
"combustion": 28
},
"companyBases.$[filter2].vehicles": {
"name": "Truck 2",
"combustion": 28
}
}
},
{
"arrayFilters": [{
"filter1._id": ObjectId("5d7052a3807ab14e286ba5b0")
},
{
"filter2._id": ObjectId("5d7052a3807ab14e286ba5af")
}
]
}
)
你的问题似乎很完美。你能用object id
ObjectId(“5d7052a3807ab14e286ba5bd”)
I更新了数据库中的真实对象存储吗?你的查询似乎很完美。你能用object idObjectId(“5d7052a3807ab14e286ba5bd”)
共享这个文档吗?我用数据库中的真实对象存储更新了。是的,现在它工作了,我忘了用ObjectId包装。是的,现在它工作了,我忘了用ObjectId包装。