MongoDB findAndModify() with aggregation

Alan DeKok aland at
Sat Mar 21 14:35:07 CET 2020

On Mar 21, 2020, at 6:23 AM, Geaaru <geaaru at> wrote:
> I think that the fix must be a little more complex.

  Possibly.  It's also possible to just document this limitation as "don't do that".

> The best solution probably is this:
> - try to identify the target MongoDB Server version on first connection
> and store this inside mongo db instance struct
> - to change the code in the way that if mongodb is >= 4.2 update is
> handled as an array instead of a single document.
> Obviously, this introduces complexity in the code.

  Or just documentation is "don't do that" :)

  Alan DeKok.

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