Filter inside add field mongoDB

Repulsive Raccoon answered on October 22, 2021 Popularity 3/10 Helpfulness 1/10

answer Filter inside add field mongoDB

Filter inside add field mongoDB

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Tip Repulsive Raccoon 1 GREPCC

> db.demo118.aggregate([
...    {
...       "$addFields": {
...          "Details": {
...             "$filter": {
...                "input": "$Details",
...                "as": "out",
...                "cond": { "$in": ["$$out.S", "$Subjects"] }
...             }
...          }
...       }
...    }
... ]).pretty();

xxxxxxxxxx

> db.demo118.aggregate([

...    {

...       "$addFields": {

...          "Details": {

...             "$filter": {

...                "input": "$Details",

...                "as": "out",

...                "cond": { "$in": ["$$out.S", "$Subjects"] }

...             }

...          }

...       }

...    }

... ]).pretty();

Popularity 3/10 Helpfulness 1/10 Language whatever

Source: www.tutorialspoint.com

Tags: add field filter mongodb whatever

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Contributed on Oct 22 2021

Repulsive Raccoon

0 Answers Avg Quality 2/10

Filter inside add field mongoDB

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