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26 views

Mongo - Fetch results sorted by the number of matching values in an array object

I have a mongo Database with collections such as : [{ _id : 'one', tags1 : ['A', 'B', 'C'], tags2 : ['D', 'E', 'F'] },{ _id : 'two', tags1 : ['A', 'Z'], tags2 : ['D', 'F', 'G', 'M'] } ...
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1answer
229 views

MongoDB: Aggregation workaround by helper collection

Since I regularly run against mongodb's document size limit and also aggregation framework's group limitations >16M, depending on the amount of data I need to process, I look for a simple workaround. ...