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Questions - graphlookup

How to sort results of graphLookup in subdocument

I have the following stage in my aggregation pipeline: { $graphLookup: { from: 'rateplans', startWith: '$ratePlans.parentRatePlanId', connectFromField: 'parentRatePla...
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Mike

mongodb

mongoose

aggregation-framework

subdocument

graphlookup

Votes: 0

Answers: 0

How to recursively query the nested documents of mogodb？

{ "id": "1505036191456227329", "materialList": [ { "id": "1505035441229459457", "model": "&qu...
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tengger

mongodb

graphlookup

Votes: 0

Answers: 1

Latest Answer

You will have to use $elemMatch for this. Ex -> db.collection.find( { materialList: { $elemMatch: {id: 1505035441229459457 } } })
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Hemant Bangar

How to get all children documents using $graphLookup of MongoDB

I have this data as below in two collections of MongoDB. categories: [ { "_id" : 1, "name" : "A" }, { "_id" : 2, "name" : "B", "cat...
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Sara

node.js

mongodb

graphlookup

Votes: 0

Answers: 1

Latest Answer

You are on the right track to use $graphLookup. db.categories.aggregate([ { "$match": { _id: 1 } }, { "$graphLookup": { "from": "catego...
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ray

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