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New posts in aggregation-framework
The Field "$_id" must be an accumulator object
Dec 09, 2019
mongodb
mongodb-query
aggregation-framework
Get index of given element in array field in MongoDB
Aug 24, 2022
mongodb
mapreduce
mongodb-query
aggregation-framework
Mongodb count all array elements in all objects matching by criteria
Nov 17, 2022
mongodb
mongodb-query
aggregation-framework
What is $$ROOT in MongoDB aggregate and how it works?
Oct 29, 2022
mongodb
aggregation-framework
pymongo
How to group documents with specific field in aggregation of mongodb
Apr 18, 2022
mongodb
aggregation-framework
How to solve empty array with $unwind?
Oct 03, 2022
mongodb
mongodb-query
aggregation-framework
Return whole document from aggregation
Aug 22, 2022
mongodb
aggregation-framework
MongoDB nested object aggregation counting
Nov 03, 2022
mongodb
mongodb-query
aggregation-framework
Combine multiple groups in an aggregation in mongodb
Mar 18, 2022
mongodb
aggregation-framework
mongodb multiple match conditions and return documents with common name
Oct 20, 2022
mongodb
match
aggregation-framework
multiple-conditions
How can I implement addFields mongoDB query in Java
Feb 05, 2022
java
mongodb
mongodb-query
aggregation-framework
spring-data-mongodb
Mongoose 5.x disallows passing a spread of operators
Nov 11, 2022
javascript
mongodb
mongoose
aggregation-framework
Mongo DB aggregation array size greater than match [duplicate]
May 04, 2022
mongodb
aggregation-framework
Find match over Array of RegEx in MongoDB Collection
Oct 25, 2022
regex
performance
mongodb
aggregation-framework
mongodb aggregation project objectId with concat
Feb 08, 2022
mongodb
aggregation-framework
MongoDB Aggregation Error "each item in the pipeline must be a document"
Jan 03, 2021
mongodb
aggregation-framework
mongovue
Why mongo doesn't allow to use a $facet stage inside another $facet?
Oct 21, 2022
mongodb
mongodb-query
aggregation-framework
Concat String by Group
Sep 14, 2022
mongodb
group-by
aggregation-framework
concat
How to use graph lookup aggregation in a embedded array document
Oct 24, 2022
mongodb
aggregation-framework
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