Hi,
I'm wondering if the following is possible with mappers:

I have two tables A and B, whereas B is referenced by A. What I need is a 
special mapper for A that returns all referenced rows in B except those, that 
have a specific value in one column of the row, e.g.:

Table A:
id, sometext, reftoB
1, xyz, 1
2, abc, 2

Table B:
id, sometext
1, foo
2, NOTTHISONE <- Should not be returned by the mapper

Is there a simple way to achieve this? 

Best Regards,
Hermann

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