StackOverflow Questions for Tag: aggregation-framework

Shahan
Shahan

Reputation: 49

Mongodb $unionWith not working as a UnionALL

Score: 0

Views: 42

Answers: 0

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Sourabh Banka
Sourabh Banka

Reputation: 1117

MongoDB Aggregation Optimization for Fetching Hierarchical User Accounts with Low Latency

Score: 0

Views: 37

Answers: 1

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Riddsaw
Riddsaw

Reputation: 23

MongoDB - Count number of object in array

Score: 2

Views: 47

Answers: 1

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Stefan
Stefan

Reputation: 897

Why are 10 $in with small lists way faster then 1 $in with a large list

Score: 2

Views: 53

Answers: 1

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R2D2
R2D2

Reputation: 10737

Match/filter/project nested fields from array in array in object

Score: 2

Views: 47

Answers: 1

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BreenDeen
BreenDeen

Reputation: 732

Unable to display the course information for a student

Score: 2

Views: 124

Answers: 2

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Stefan
Stefan

Reputation: 897

Why are multiple $first in a group way slower then just one

Score: 2

Views: 106

Answers: 1

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siddhant srivastava
siddhant srivastava

Reputation: 41

Compare integers stored as Strings in Mongodb

Score: 4

Views: 8547

Answers: 2

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BreenDeen
BreenDeen

Reputation: 732

Replace Mongo Queries with an Mongo aggregation pipeline for products and product-categories collection

Score: 0

Views: 80

Answers: 1

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Alan Jurgensen
Alan Jurgensen

Reputation: 863

Spring Mongodb Aggregation Pageable now giving TransactionExceededLifetimeLimitSeconds

Score: 0

Views: 22

Answers: 0

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Shahan
Shahan

Reputation: 49

Converting csv (";" based) string value of a field to new key:value items in same document in Mongodb aggregate

Score: 1

Views: 48

Answers: 2

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chzigkol
chzigkol

Reputation: 29

PySpark and MongoDB Connector: Cannot query with dates inside a pipeline

Score: 1

Views: 2085

Answers: 2

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user9817468211
user9817468211

Reputation: 11

Is $push+$reduce really slower than a custom accumulator?

Score: 0

Views: 94

Answers: 2

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Alexander Zhyshkevich
Alexander Zhyshkevich

Reputation: 396

Mongo aggregation without storing null objects or empty collections using MongoDB.Net driver

Score: 1

Views: 50

Answers: 1

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Create array of strings from array of documents in MongoDB

Score: 3

Views: 721

Answers: 2

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eazyezy
eazyezy

Reputation: 185

MongoDB lookup on two field with condition of third field (array)

Score: 0

Views: 45

Answers: 1

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basse
basse

Reputation: 1339

Deconstruct array field of single document to output documents in Mongo

Score: 1

Views: 35

Answers: 1

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Stefan Weber
Stefan Weber

Reputation: 115

MongoDB aggregation conditional adding field based on value in array

Score: 10

Views: 17735

Answers: 2

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Miquel
Miquel

Reputation: 8979

Retrieving object from an array using '$filter' along with all other fields

Score: 0

Views: 133

Answers: 0

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user468587
user468587

Reputation: 5031

mongodb search and paginate documents in array

Score: 0

Views: 64

Answers: 1

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