sqlalchemy.sql.base.SingletonConstant

class documentation

class SingletonConstant(Immutable): (source)

Known subclasses: sqlalchemy.sql.elements.False_, sqlalchemy.sql.elements.Null, sqlalchemy.sql.elements.True_

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Represent SQL constants like NULL, TRUE, FALSE

Method __new__ Undocumented
Property proxy_set Undocumented
Class Method _create_singleton Undocumented
Class Variable _is_singleton_constant Undocumented
Class Variable _singleton Undocumented

Inherited from Immutable:

Method params Undocumented
Method unique_params Undocumented
Class Variable __slots__ Undocumented
Method _clone Undocumented
Method _copy_internals Undocumented
Class Variable _is_immutable Undocumented
def __new__(cls: _T, *arg: Any, **kw: Any) -> _T: (source)

Undocumented

@util.non_memoized_property
proxy_set: FrozenSet[ColumnElement[Any]] = (source)

Undocumented

@classmethod
def _create_singleton(cls): (source)

Undocumented

_is_singleton_constant: bool = (source)

Undocumented

_singleton: SingletonConstant = (source)
overridden in sqlalchemy.sql.elements.False_, sqlalchemy.sql.elements.Null, sqlalchemy.sql.elements.True_

Undocumented