mongodb 사용 부모 컬렉션 (Listing)의 하위 컬렉션 (listingFeatures)에서 속성 (_id)을 제거하려고합니다. 다른 말로하면, ListFeature 객체 목록이있는 Listing 객체가 있습니다. ListFeature에는 삭제하려고하는 _id 속성이 있습니다.하위 컬렉션에서 속성 제거
db.Listing.update({ "ListingFeatures._id": { $exists:true } }, { $unset: { "ListingFeatures._id": 1 } }, false, true);
이 (목록은 300 만 개 기록을 가지고),이 오류를 던지거나 어떤을주지 않았다 완료하기 전에 ~ 30 분 동안 실행 : 여기
내가 일하는 것이 생각 나는 시도 명령이다 성공 또는 실패했음을 나타내는 일종의 메시지이지만, Listing.ListingFeatures._id 특성은 여전히 존재합니다.무엇이 누락 되었습니까?
다음은 샘플 목록 문서입니다. 궁극적으로 ListFeatures 컬렉션에서 _id, CreateDate 및 UpdateDate를 제거하려고합니다.
{
"Address": "1080 DUNLAP ORPHANAGE RD",
"City": "Unincorporated",
"ListingFeatures": [
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "Status: ACTIVE"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "County: Tipton"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "Approximately 10 acre(s)"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "2 total full bath(s)"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "2 total half bath(s)"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "9 total rooms"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "2 stories"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "Type: General Residential"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "Master Bedroom is Carpet, Full Bath, Level 1, Walk-In Closet"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "Basement is Partial, Unfinished"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "Pool features: Above Ground"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "2 covered parking space(s)"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "Yes car garage(s)"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "Attached parking"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "Cooling features: 220 Wiring, Dual System,Cooling"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "Inclusions: Cooktop, Dishwasher, Gas Cooking, Microwave, Refrigerator, Satellite Dish, Self Cleaning Oven"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "Lot features: Chain Fenced, Landscaped, Level, Some Trees, Wooded"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "Lot size is between 10 and 20 acres"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "Utilities present: Public Water, Septic Tank"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "Swimming pool(s)"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "Basement"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "Den"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "Laundry room"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "Hardwood floors"
},
{
"_id": null,
"CreateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"UpdateDate": "Sun, 03 Apr 2011 19:40:04 GMT -04:00",
"Name": "Parking features: Driveway/Pad, Garage Door Opener(s), Storage Room(s), Workshop(s)"
}
],
"ZipCode": "38011",
"_id": {
"$oid": "4d99055b1b9ba917bcef9443"
}
}
'{ "ListingFeatures._id": {$ exists : true}}'쿼리를 사용하지 않고 업데이트를 시도한 적이 있습니까? 그게 효과가 있니? – proximus
그냥 시도하고 _id 속성이 여전히 존재합니다. db.Listing.update ({}, {$ unset : { "ListFeatures._id": 1}}, false, true); – Justin