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Mongodb import and aggregation Operator

d4emuellerd4emueller Member Posts: 4 Contributor I
edited November 2018 in Help
For grouping with aggregation operator the group attribute has to be known as metadata, because you can only pick it up from list. With MongoDB connector "Read" there are no metadata before reading the data. The solution I found out: dublicating the wanted attributes with generate attribute operator and use the dublicates for grouping. With real big data sets not best solution. Any smarter solution available?
best regards
Ines

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    Marco_BoeckMarco_Boeck Administrator, Moderator, Employee, Member, University Professor Posts: 1,996 RM Engineering
    Hi,

    yes there is an easier way: You can click the little "plus" icon on the top right side of the attribute selection dialog after you have entered the name of the attribute in the 'Search' field.

    image

    Regards,
    Marco
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