def create_resolve_info(schema, request_string, variables=None, user=None):
exe_context = create_execution_context(schema, request_string, variables,
user)
parent_type = get_operation_root_type(schema, exe_context.operation)
field_asts = get_field_asts_from_execution_context(exe_context)
field_ast = field_asts[0]
field_name = field_ast.name.value
field_def = get_field_def(schema, parent_type, field_name)
if not field_def:
return Undefined
return_type = field_def.type
# The resolve function's optional third argument is a context value that
# is provided to every resolve function within an execution. It is commonly
# used to represent an authenticated user, or request-specific caches.
context = exe_context.context_value
return ResolveInfo(field_name,
field_asts,
return_type,
parent_type,
schema=schema,
fragments=exe_context.fragments,
root_value=exe_context.root_value,
operation=exe_context.operation,
variable_values=exe_context.variable_values,
context=context)
def optimize(self, queryset):
info = self.root_info
field_def = get_field_def(info.schema, info.parent_type, info.field_name)
store = self._optimize_gql_selections(
self._get_type(field_def),
info.field_asts[0],
# info.parent_type,
)
return store.optimize_queryset(queryset)
def optimize(self, queryset):
info = self.root_info
field_def = get_field_def(info.schema, info.parent_type,
info.field_name)
store = self._optimize_gql_selections(
self._get_type(field_def),
info.field_asts[0],
# info.parent_type,
)
# For matching prefetched lists with their parent,
# the foreign key will be used.
# Force inclusion of parent_id_field if specified.
if self.parent_id_field:
store.append_only(self.parent_id_field)
return store.optimize_queryset(queryset)
def optimize(self, queryset, append_only=None):
info = self.root_info
field_def = get_field_def(info.schema, info.parent_type, info.field_name)
store = self._optimize_gql_selections(
self._get_type(field_def),
info.field_asts[0],
# info.parent_type,
)
if self.parent_id_field:
store.append_only(self.parent_id_field)
if hasattr(queryset, '_gql_parent_id_field'):
store.append_only(getattr(queryset, '_gql_parent_id_field'))
# Allow forcing attributes in only.
if append_only:
store.append_only_list += append_only
return store.optimize_queryset(queryset)