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Note that when version_id_col is used, rows in UPDATE or DELETE statements are also matched against the current known version identifier. * A mapped object with version_id_col was refreshed, and the version number coming back from the database does not match that of the object itself. * A object is detached from its parent object, however the object was previously attached to a different parent identity which was garbage collected, and a decision cannot be made if the new parent was really the most recent "parent". N��__name__� __module__� __qualname__�__doc__� r r �G/home/agenciai/.local/lib/python3.9/site-packages/sqlalchemy/orm/exc.pyr $ s r c @ s e Zd ZdZdS )� FlushErrorz0A invalid condition was detected during flush().Nr r r r r r @ s r c @ s e Zd ZdZdS )�MappedAnnotationErrorz�Raised when ORM annotated declarative cannot interpret the expression present inside of the :class:`.Mapped` construct. .. versionadded:: 2.0.40 Nr r r r r r D s r c @ s e Zd ZdZdS )� UnmappedErrorz?Base for exceptions that involve expected mappings not present.Nr r r r r r M s r c @ s e Zd ZdZdS )�ObjectDereferencedErrorzPAn operation cannot complete due to an object being garbage collected. Nr r r r r r Q s r c @ s e Zd ZdZdZdS )�DetachedInstanceErrorzSAn attempt to access unloaded attributes on a mapped instance that is detached.Zbhk3N)r r r r �coder r r r r! 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A refresh operation proceeds when an expired attribute is accessed on an object, or when :meth:`_query.Query.get` is used to retrieve an object which is, upon retrieval, detected as expired. A SELECT is emitted for the target row based on primary key; if no row is returned, this exception is raised. The true meaning of this exception is simply that no row exists for the primary key identifier associated with a persistent object. The row may have been deleted, or in some cases the primary key updated to a new value, outside of the ORM's management of the target object. r$ NzInstanceState[Any]r& )�stater( c C s, t jj}|sd|�|� }tj�| |� d S )NzDInstance '%s' has been deleted, or its row is otherwise not present.)r r+ r, � state_str�sa_exc�InvalidRequestErrorr1 )r2 rB r( r3 r r r r1 � s ��zObjectDeletedError.__init__r r5 c C s | j d | jd ffS r7 r8 r; r r r r< � s z ObjectDeletedError.__reduce__)Nr= r r r r rA � s rA c @ s e Zd ZdZdS )�UnmappedColumnErrorz5Mapping operation was requested on an unknown column.Nr r r r r rF � s rF c @ s& e Zd ZdZdddddd�dd �Zd S ) �LoaderStrategyExceptionz2A loader strategy for an attribute does not exist.� Type[Any]zMapperProperty[Any]z#Optional[Type[MapperProperty[Any]]]z Optional[Type[LoaderStrategy]]zTuple[Any, ...])�applied_to_property_type�requesting_property� applies_to�actual_strategy_type� strategy_keyc C sX |d u r t j�| d||f � n4|d us,J �t j�| dt�|�|t|�t|�f � d S )Nz Can't find strategy %s for %szuCan't apply "%s" strategy to property "%s", which is a "%s"; this loader strategy is intended to be used with a "%s".)rD rE r1 r Zclsname_as_plain_namer )r2 rI rJ rK rL rM r r r r1 � s$ �� ���z LoaderStrategyException.__init__N)r r r r r1 r r r r rG � s rG rH �str)r? r6 c C sJ zd� | j| jf�}W n. tyD t| dd �}|d u r@t| �}Y n0 |S )N�.r )�joinr r �AttributeError�getattr�repr)r? �cls_namer r r r. � s r. r$ r& c C sX t jj}z|�| �j}W n ttft y6 i }Y n0 t| �}|sPd|� d�S d S d S )Nr) r* ) r r+ r, Zmanager_of_class�mappersr/ � TypeError�NO_STATEr. )r? r3 rU r4 r r r r@ � s �� r@ N),r � __future__r �typingr r r r r r r r � r rD r r Z interfacesr r rB r r rQ �KeyErrorrW ZSQLAlchemyErrorr ZConcurrentModificationErrorr � ArgumentErrorr rE r r r! r# r/ rA rF rG r. r> r@ r r r r �<module> sB $!
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