[英]How to lookup and filter in array of objects mongo?
我對mongodb中的對象查找和過濾器數組有疑問
我有以下結構:人
{
"_id": "5cc3366c22c3767a2b114c6b",
"flags": [
"5cc30210fada5d7820d03aaf",
"5cc2c3924a94a575adbdc56a"
],
"key": "Animal",
"name": "name1",
"description": "description1",
"endpoints": [
{
"isEnabled": true,
"publishUrl": "megaUrl",
"env": "5cc1a8911b19026fd193506b"
},
{
"isEnabled": true,
"publishUrl": "megaUrl",
"env": "5ccaeef3312acb103730d4c5"
}
]
}
envs集合
{
"_id" : "5cc1a8911b19026fd193506b",
"name" : "name2",
"key" : "PROD",
"publishUrl" : "url1",
"__v" : 0
}
{
"_id" : "5ccaeef3312acb103730d4c5",
"name" : "name2",
"key" : "PROD",
"publishUrl" : "url1",
"__v" : 0
}
我應該按endpoints。$。env篩選文檔,所以,我有: accessKeys = ["PROD", "UAY"]
,我應該看到result。 具有env.key === "PROD" || env.key === "UAT"
端點 env.key === "PROD" || env.key === "UAT"
預期結果:
{
"_id": "5cc3366c22c3767a2b114c6b",
"flags": [
"5cc30210fada5d7820d03aaf",
"5cc2c3924a94a575adbdc56a"
],
"key": "Animal",
"name": "name1",
"description": "description1",
"endpoints": [
{
"isEnabled": true,
"publishUrl": "megaUrl",
"env": {
"_id" : "5cc1a8911b19026fd193506b",
"name" : "name2",
"key" : "PROD",
"publishUrl" : "url1",
"__v" : 0
}
},
]
}
請幫助我,我該怎么做? 我知道聚合,但不能做到這一點:(
嘗試這個 :
db.persons.aggregate([{
$unwind : "$endpoints"
},{
$lookup :{
from : "envs",
localField : "endpoints.env",
foreignField : "_id",
as : "endpoints.env"
}
},{
$unwind : "$endpoints.env"
},{
$match : {
"endpoints.env.key" : {$in : accessKeys}
}
},{
$group : {
_id : "$_id",
flags : {$first : "$flags"},
key : {$first : "$key"},
name : {$first : "$name"},
description : {$first : "$description"},
endpoints : {$push : "$endpoints"},
}
}])
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