Support for DjangoConnectionField

[levinotik]

I have a query and resolver using DjangoConnectionField as follows

  items = DjangoConnectionField(ItemType)

  def resolve_items(root, info, **kwargs):
       return gql_optimizer.query(Item.objects.all(), info)

The SQL not optimized, as I can see all fields are queried when inspecting the raw sql output via GraphQL.

[gghildyal]

I have seen this as well, but only when accessing the 'id' field in the query. If you remove the id, the sql query only the requested fields as expected.

I think this is to do something with the DjangoConnectionField encoding/decoding the id field which conflicts with the query optimization.