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[13:43:38] <irthewinner> guys, how can I update a query matching "xnames" but will return me the detailed list of affected rows? in mongoose

[13:44:29] <irthewinner> I tried with MYSCHEMA.updateMany({ group: request.group1 }, { group: request.group2 }, function(err,result){}

[13:44:43] <irthewinner> but this will not give me the detailed results of each affected rows

[16:48:18] <d4rkp1r4t3> might be able to utilize change stream - https://docs.mongodb.com/manual/changeStreams/

[17:05:42] <irthewinner> thanks mate :) I will check this link later, gotta go now

[17:33:33] <lootic> Hi! Ive been trying to improve the performance of my application. To do this I hoped I could use aggregation pipes. However the best I could come up with was the following:

[17:33:40] <lootic> Uploaded file: https://uploads.kiwiirc.com/files/d4bf66ebbad96f6668aed43fb2573fa9/pasted.txt

[17:34:09] <lootic> This doesnt perform good enough, but I think it shows what I want to achieve

[17:34:24] <lootic> Is there some way to construct my query so it runs faster on mongo?