class ResolvedOuterRef

Attributes
Methods

from django.db.models.expressions import ResolvedOuterRef

An object that contains a reference to an outer query.

In this case, the reference to the outer query has been resolved because
the inner query has been used as a subquery.

Ancestors (MRO)

builtins.object
django.db.models.expressions.Combinable
django.db.models.expressions.F
django.db.models.expressions.ResolvedOuterRef

Attributes

Attribute	Value	Defined in
`ADD`	`+`	django.db.models.expressions.Combinable
`BITAND`	`&`	django.db.models.expressions.Combinable
`BITLEFTSHIFT`	`<<`	django.db.models.expressions.Combinable
`BITOR`	`\|`	django.db.models.expressions.Combinable
`BITRIGHTSHIFT`	`>>`	django.db.models.expressions.Combinable
`BITXOR`	`#`	django.db.models.expressions.Combinable
`DIV`	`/`	django.db.models.expressions.Combinable
`MOD`	`%%`	django.db.models.expressions.Combinable
`MUL`	`*`	django.db.models.expressions.Combinable
`POW`	`^`	django.db.models.expressions.Combinable
`SUB`	`-`	django.db.models.expressions.Combinable
`allowed_default`	`False`	django.db.models.expressions.F
`contains_aggregate`	`False`	django.db.models.expressions.ResolvedOuterRef
`contains_over_clause`	`False`	django.db.models.expressions.ResolvedOuterRef

Methods

def as_sql(self, *args, **kwargs)

django.db.models.expressions.ResolvedOuterRef

    def as_sql(self, *args, **kwargs):
        raise ValueError(
            "This queryset contains a reference to an outer query and may "
            "only be used in a subquery."
        )

def asc(self, **kwargs)

django.db.models.expressions.F

    def asc(self, **kwargs):
        return OrderBy(self, **kwargs)

def bitand(self, other)

django.db.models.expressions.Combinable

    def bitand(self, other):
        return self._combine(other, self.BITAND, False)

def bitleftshift(self, other)

django.db.models.expressions.Combinable

    def bitleftshift(self, other):
        return self._combine(other, self.BITLEFTSHIFT, False)

def bitor(self, other)

django.db.models.expressions.Combinable

    def bitor(self, other):
        return self._combine(other, self.BITOR, False)

def bitrightshift(self, other)

django.db.models.expressions.Combinable

    def bitrightshift(self, other):
        return self._combine(other, self.BITRIGHTSHIFT, False)

def bitxor(self, other)

django.db.models.expressions.Combinable

    def bitxor(self, other):
        return self._combine(other, self.BITXOR, False)

def copy(self)

django.db.models.expressions.F

    def copy(self):
        return copy.copy(self)

def deconstruct(obj)

django.db.models.expressions.F

Return a 3-tuple of class import path, positional arguments,
and keyword arguments.

        def deconstruct(obj):
            """
            Return a 3-tuple of class import path, positional arguments,
            and keyword arguments.
            """
            # Fallback version
            if path and type(obj) is klass:
                module_name, _, name = path.rpartition(".")
            else:
                module_name = obj.__module__
                name = obj.__class__.__name__
            # Make sure it's actually there and not an inner class
            module = import_module(module_name)
            if not hasattr(module, name):
                raise ValueError(
                    "Could not find object %s in %s.\n"
                    "Please note that you cannot serialize things like inner "
                    "classes. Please move the object into the main module "
                    "body to use migrations.\n"
                    "For more information, see "
                    "https://docs.djangoproject.com/en/%s/topics/migrations/"
                    "#serializing-values" % (name, module_name, get_docs_version())
                )
            return (
                (
                    path
                    if path and type(obj) is klass
                    else f"{obj.__class__.__module__}.{name}"
                ),
                obj._constructor_args[0],
                obj._constructor_args[1],
            )

def desc(self, **kwargs)

django.db.models.expressions.F

    def desc(self, **kwargs):
        return OrderBy(self, descending=True, **kwargs)

def get_group_by_cols(self)

django.db.models.expressions.ResolvedOuterRef

    def get_group_by_cols(self):
        return []

def relabeled_clone(self, relabels)

django.db.models.expressions.ResolvedOuterRef

    def relabeled_clone(self, relabels):
        return self

def replace_expressions(self, replacements)

django.db.models.expressions.F

    def replace_expressions(self, replacements):
        return replacements.get(self, self)

def resolve_expression(self, *args, **kwargs)

django.db.models.expressions.ResolvedOuterRef

    def resolve_expression(self, *args, **kwargs):
        col = super().resolve_expression(*args, **kwargs)
        if col.contains_over_clause:
            raise NotSupportedError(
                f"Referencing outer query window expression is not supported: "
                f"{self.name}."
            )
        # FIXME: Rename possibly_multivalued to multivalued and fix detection
        # for non-multivalued JOINs (e.g. foreign key fields). This should take
        # into account only many-to-many and one-to-many relationships.
        col.possibly_multivalued = LOOKUP_SEP in self.name
        return col

django.db.models.expressions.F

    def resolve_expression(
        self, query=None, allow_joins=True, reuse=None, summarize=False, for_save=False
    ):
        return query.resolve_ref(self.name, allow_joins, reuse, summarize)