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Showing posts with the label Aggregation Framework
Is It Possible To Use Query Projection On The Same Collection That Has A $elemmatch Projection?

Is It Possible To Use Query Projection On The Same Collection That Has A $elemmatch Projection?

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I understand that you can limit the items in a subcollection array using $elemMatch as a projection… Read more Is It Possible To Use Query Projection On The Same Collection That Has A $elemmatch Projection?
Mongoose - Aggregation $match Based On Enum Values

Mongoose - Aggregation $match Based On Enum Values

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I have an aggregation with mongoose, the objects what i get looks like this: foods: { fruits: {… Read more Mongoose - Aggregation $match Based On Enum Values
Got Duplicated Data When Subscribe Multiple Times

Got Duplicated Data When Subscribe Multiple Times

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I am using MongoDB aggregation in meteor. I got duplicated data when subscribe multiple times. (The… Read more Got Duplicated Data When Subscribe Multiple Times
Time Series And Aggregation Framework (mongo)

Time Series And Aggregation Framework (mongo)

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I'm trying to synchronise two functions I run in my app. First one checks the count of the docu… Read more Time Series And Aggregation Framework (mongo)
Possible To Compare Date Strings In Mongodb?

Possible To Compare Date Strings In Mongodb?

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I have a collection that contains documents with a date attribute like so: { title: 'whateve… Read more Possible To Compare Date Strings In Mongodb?