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edited Oct 29, 2020 at 3:37You need to make use of 2 concepts: mongodb's positional operator and simply using the numeric index for the entry you want to update.
The positional operator allows you to use a condition like this:
{"heroes.nickname": "test"}and then reference the found array entry like so:
{"heroes.$ // <- the dollar represents the first matching array key indexAs you want to update the 2nd array entry in "items", and array keys are 0 indexed - that's the key 1.
So:
> db.denis.insert({_id:"43434", heroes : [{ nickname : "test", items : ["", "", ""] }, { nickname : "test2", items : ["", "", ""] }]});Content Under CC-BY-SA license Array Update Operators - MongoDB Manual v7.0
WEBUpdate Operator Modifiers. Modifies the $push and $addToSet operators to append multiple items for array updates. Modifies the $push operator to specify the position in …
See results only from mongodb.com$ (update)
Update Documents in an Array. The positional $ operator facilitates updates …
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Update Operators. Acts as a placeholder to update the first element that matches …
Update field in exact element array in MongoDB - Stack Overflow
WEBYou need to make use of 2 concepts: mongodb's positional operator and simply using the numeric index for the entry you want to update. The positional operator allows you to …
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WEBJul 7, 2012 · To update all elements that are greater than or equal to 100 in the grades array, use the filtered positional operator $[] with the arrayFilters option: …
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MongoDB: Update Arrays in Documents - TutorialsTeacher.com
WEBLearn how to update array fields in documents in MongoDB collections. You can use the updateOne() or updateMany() methods to add, update, or remove array elements …
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WEBJun 22, 2016 · The short answer here is no, at least if you want to match and not just set specific elements (rather than looking to match multiple elements), something like this: …
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WEBJan 28, 2021 · Using the $set operator combined with the all positional operator $[] allows us to update all the array elements. For example, let's say we want to take away the …
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