Find Relative complement of two collection

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i want the Relative complement of two collections in mongoDB say
LocalFile and ServerFile

i have Local FIle
A.txt
B.txt
C.txt

and ServerFiles
A.txt

i want the result
B.txt
C.txt

Posted 16-Dec-15 0:49am

srilekhamenon

Updated 16-Dec-15 1:41am

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glen205 16-Dec-15 7:00am

Hi,

Sorry I don't have a solution in mongoDB, but it might help you get answers if you change the following:

Your request seems to be "Get all LocalFile which are *NOT* in ServerFiles".
This is not an intersection, this is a "relative complement".

https://en.wikipedia.org/wiki/Venn_diagram

srilekhamenon 16-Dec-15 7:14am

thanks for correcting me

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