Intent to backport OAK-8351

[Stefan Egli]

Hi,

I'd like to backport OAK-8351 [0] to the 1.8 and 1.10 branches unless 
someone objects. OAK-8351 changes a MongoDB query that was introduced in 
this form in 1.8

Cheers,
Stefan
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[0] https://issues.apache.org/jira/browse/OAK-8351