Comments (5)
I've written something along these lines for my own project. It just works on a connection at the moment. It uses the info to work out which fields (if any) are being requested on the underlying node, and then checks the corresponding node type for a optimize_foo
classmethod. If that exists, it passes the queryset through that method, before passing the queryset to the connection_from_foo
function. They have a similar signature to a resolver. You have to be careful in resolver methods that both optimized and non-optimized cases are covered in some cases.
class PostNode(DjangoNode):
[...]
@classmethod
def optimize_owner(cls, queryset):
return queryset.select_related('owner')
@classmethod
@with_context
def optimize_loved(cls, queryset, context):
# Sets user_loves attribute on post
return queryset.prefetch_user_loves(context.user)
@with_context
def resolve_loved(self, args, context, info):
try:
return self.user_loves
except AttributeError:
return self.love_set.filter(user=context.user).exists()
@classmethod
def optimize_field_with_arguments(cls, queryset, args):
return queryset.process_args(args)
from graphene.
I think you can get this info from the query AST, but there should be a more convenient way to get this.
from graphene.
Related issue needed to resolve before this task: #57
from graphene.
@syrusakbary I think this issue can be closed? If it's still an issue then it should be raised on the graphene-django repo
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Yup, we can close the issue here and reopen in graphene-django if necessary
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from graphene.