Hello,

I have a schema like this:

Image
*id
*name

Metadatakey
*id
*exifkey
*name

Metadata
*id
*image_id -> Image
*metadatakey_id -> Metadatakey
*value

Is there any way for me to create a dictionary-based collection to represent 
the image metadata as Metadatakey.name=>Metadata.value ? After a cursory look, 
it seems that the default collection mappers work only for keys and values in 
the same table, no?

Cheers,
M
        

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