mongodb-query

问题 I got this structure in my mongodb (2 collections: restaurant and cocktail ) restaurant {id=1001, name="Res1", coor=[12.392, 19.123], cocktail=[13, 0, 92]} cocktail {id=13, name="Capiroska"}, {id=167, name="Capirinha"}, {id=92, name="Negroni"}, {id=0, name="Martini"} Multiple restaurant s and multiple cocktail s, N:N relationship. My goal is to find which different cocktail s I can drink within a specified area. I've already written a query that finds all restaurants near my position like

问题 I am trying to get sets of having an array of missing consecutive numbers only has [low, high] Example, mongodb collection 'meta_import' has these numbers: [1,2,3,4,7,8,100,101,200,400,401,403] I want to get [[5,6], [9,99], [102,199], [201,399], [402]] I have tried: var pipe = [ {'$group' : {'_id' : null, min : {'$min' : "$num"}, max : {'$max' : "$num"}}}, {'$addFields' : {'rangeIds' : {'$range' : ["$min", "$max"]}}}, {'$lookup' : {'from' : "meta_import", localField : "rangeIds", foreignField

问题 I have a MongoDB collection with some documents that have a field called Personal.FirstName and another field call Personal.Surname. Some documents are messed up and have the persons first name and last name in both fields. For example there are some documents that have Personal.FirstName = 'John Doe' and Personal.Surname = 'John Doe'. I want to write a mongo update statement that will do the following: Find all of the documents that have a Personal section Find all of the documents where

问题 I have a MongoDB collection with some documents that have a field called Personal.FirstName and another field call Personal.Surname. Some documents are messed up and have the persons first name and last name in both fields. For example there are some documents that have Personal.FirstName = 'John Doe' and Personal.Surname = 'John Doe'. I want to write a mongo update statement that will do the following: Find all of the documents that have a Personal section Find all of the documents where

问题 I am trying to replace multiple occurrences of the same phrase in the same field. Here is an example of the field 'imageUrl' contents: "imageUrl" : "https://cdn.test.com/s/files/1/0035/4671/0061/products/Screen_Shot_2019-12-13_at_12.47.01_pm_2000x.png?v=1576212956\n \n https://cdn.test.com/s/files/1/0035/4671/0061/products/Screen_Shot_2019-12-13_at_12.47.01_pm_2000x.png?v=1576212956\n \n \n" My current formula: { $match: { imageUrl: { $regex: "_2000x" }, brand: "Goat The Label" } }, {

问题 I am trying to replace multiple occurrences of the same phrase in the same field. Here is an example of the field 'imageUrl' contents: "imageUrl" : "https://cdn.test.com/s/files/1/0035/4671/0061/products/Screen_Shot_2019-12-13_at_12.47.01_pm_2000x.png?v=1576212956\n \n https://cdn.test.com/s/files/1/0035/4671/0061/products/Screen_Shot_2019-12-13_at_12.47.01_pm_2000x.png?v=1576212956\n \n \n" My current formula: { $match: { imageUrl: { $regex: "_2000x" }, brand: "Goat The Label" } }, {

问题 I'm trying to query MongoDB using MongoDB.Driver and return a partial result using mongo projection. I've figured out how to query without projection, but not a partial result. This is my function for finding results: let Find<'a> collectionName (filterDefinition: FilterDefinition<'a>) = let collection = database.GetCollection<'a> collectionName collection.Find(filterDefinition).ToEnumerable() |> List.ofSeq This is an example of how I call it: let findByIdFilter id = Builders<MyModel>.Filter

问题 I have the following document in a collection name chats : { "_id" : 25281, "conversation" : [ { "time" : "1970-01-18T20:16:28.988Z" }, { "time" : "2018-11-09T18:43:09.297Z" } ], } For some reason this specific document is not returning in the below query, although similar documents are returning as expected. Here is the query: db.getCollection('chats').find({"conversation.1.time": { "$gte": ISODate("2018-11-09T00:00:00.000Z"), "$lt": ISODate("2018-11-10T00:00:00.000Z") } }) 回答1: This

问题 I have 10000 records in MongoDB in table1. Data is as below: "_id" : ObjectId("5d5e500cb89312272cfe51fc"), "cities" : [ { "cityid" : "5d5d2205cdd42d1cf0a92b33", "value" : "XYZ" }, { "cityid" : "5d5d2214cdd42d1cf0a92b34", "value" : "Rowcliffe" }, ], Query is as below: { $unwind: "$cities" }, { "$addFields": { "cities.cityid": { "$toObjectId": "$cities.cityid" } } }, { $lookup: { from: "cities", localField: "cities.cityid", foreignField: "_id", as: "docs" } }, So, here i lookup cityid in

问题 I have a current MongoDB Aggregate framework pipeline from a previous question and I am unable to add populate query to grab user profile by id. My code is below Product.aggregate([ { $group: { _id: { hub: "$hub", status: "$productStatus", }, count: { $sum: 1 }, }, }, { $group: { _id: "$_id.hub", counts: { $push: { k: "$_id.status", v: "$count", }, }, }, }, { $group: { _id: null, counts: { $push: { k: { $toString: "$_id" }, v: "$counts", }, }, }, }, { $addFields: { counts: { $map: { input: "