StackOverflow Questions for Tag: mongodb-lookup

satish t
satish t

Reputation: 1

Lookup fails when do the match in the pipeline in mongodb

Score: 0

Views: 21

Answers: 0

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Coder
Coder

Reputation: 339

Get matched and unmatched count from another collection mongodb

Score: 0

Views: 399

Answers: 1

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user1952461
user1952461

Reputation: 41

Index not getting applied while $lookup for one of my query but for others it's getting applied. Not able to find out the mistake i am doing

Score: 0

Views: 33

Answers: 0

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tomas jindal
tomas jindal

Reputation: 11

MongoDB query of filter data based on field present in foreign collection after the lookup is taking time

Score: 0

Views: 101

Answers: 1

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bernard
bernard

Reputation: 1

create view aggregating 3 collections with a concatenation

Score: 0

Views: 47

Answers: 1

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Alok
Alok

Reputation: 10534

Auto conversion of foreign key from string to ObjectId to make $lookup aggregation work by MongoDB

Score: 0

Views: 442

Answers: 1

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Shehan V
Shehan V

Reputation: 176

How to improve the performance of Aggregation Pipeline in MongoDb C#

Score: 0

Views: 110

Answers: 1

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Shehan V
Shehan V

Reputation: 176

MongoDb $Lookup doesn't work as expected in C#

Score: 1

Views: 65

Answers: 0

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Pedro Rabbi
Pedro Rabbi

Reputation: 391

Inside a pipeline, perform a search in other collection without $lookup MongoDb

Score: 0

Views: 94

Answers: 0

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J H
J H

Reputation: 43

Having issues matching local and foreign fields in a $lookup pipeline for a MongoDB aggregate query

Score: 0

Views: 871

Answers: 1

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does $lookup use indexes in the foreignField key?

Score: 0

Views: 812

Answers: 1

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Sensei_75
Sensei_75

Reputation: 66

How to add condition in mongodb aggregate lookup?

Score: 0

Views: 517

Answers: 1

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M. Altmann
M. Altmann

Reputation: 726

$lookup with pipeline match and projection does not work for guid

Score: 0

Views: 1255

Answers: 1

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erickles
erickles

Reputation: 157

MongoDB aggregation with nested arrays of objects

Score: 1

Views: 1110

Answers: 2

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Mani
Mani

Reputation: 2553

How to get associated document who satisfy match object

Score: 1

Views: 29

Answers: 1

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aidinMC
aidinMC

Reputation: 1426

Mongodb lookup for not equal fields

Score: 0

Views: 2588

Answers: 1

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OGordo
OGordo

Reputation: 143

Perform lookup on all dynamic reference fields if they exist

Score: 2

Views: 370

Answers: 0

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Vrangle
Vrangle

Reputation: 323

MongoDB aggregation make inner array in root

Score: 1

Views: 789

Answers: 1

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Bhavin
Bhavin

Reputation: 209

MongoDB - lookup - multiple collection - Result in one array

Score: 1

Views: 1328

Answers: 1

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Wajih
Wajih

Reputation: 93

One to Many MongoDB lookup with project req fields

Score: 0

Views: 1161

Answers: 2

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