Django: select_related and GenericRelation

Question

Does select_related work for GenericRelation relations, or is there a reasonable alternative? At the moment Django\'s doing individual sql calls for each item in my queryset

Answer 1

you can use .extra() function to manually extract fields :

Claims.filter(proof__filteryouwant=valueyouwant).extra(select={'field_to_pull':'proof_proof.field_to_pull'})

The .filter() will do the join, the .extra() will pull a field. proof_proof is the SQL table name for Proof model. If you need more than one field, specify each of them in the dictionnary.