관리-도구
편집 파일: persistence.cpython-37.pyc
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Y s T)�bulk�return_defaults� render_nulls)� bookkeepingc S s g | ] }|j �qS r )�key)r �pr r r r k s c s g | ] }� | �qS r r )r r' )r r r r o s )� base_mapper�_cached_connection_dict�session�connection_callable�NotImplementedError�listr �_sorted_tables�items�isa�_collect_insert_commands�_emit_insert_statementsZ_identity_classZ_identity_key_props�tupler' )r �mappings�session_transaction�isstatesr$ r% r) �cached_connections�states�table� super_mapper�recordsZ identity_clsZidentity_propsr r )r r r r � _bulk_insert# sH r= c s� �j }t|�}�j��jr*�jjh�����fdd�� |rd|rT� �fdd�|D �}qldd� |D �}nt|�}|jjr|t d��|� |��xX|j � � D ]J\}}�� |�s�q�td |��fdd�|D �d d �} t|d |||| d d � q�W d S ) Nc s t �� fdd�� j �� D ��S )Nc 3 s, | ]$\}}|�j ks |� kr||fV qd S )N)�committed_state)r �k�v)� search_keysr r r r! � s z6_bulk_update.<locals>._changed_dict.<locals>.<genexpr>)r r0 )r r )rA )r r � _changed_dict~ s z#_bulk_update.<locals>._changed_dictc s g | ]}� �|��qS r r )r r )rB r r r r � s z _bulk_update.<locals>.<listcomp>c S s g | ] }|j �qS r )r )r r r r r r � s zJconnection_callable / per-instance sharding not supported in bulk_update()c 3 s. | ]&}d |�� �j r |�j j nd fV qd S )N)�_version_id_propr' )r r" )r r r r r! � s z _bulk_update.<locals>.<genexpr>T)r# F)r& )r) r* Z_primary_key_propkeysrC r' �unionr. r+ r, r- r r/ r0 r1 �_collect_update_commands�_emit_update_statements) r r5 r6 r7 Zupdate_changed_onlyr) r8 r: r; r< r )rB r r rA r � _bulk_updates s@ rG Fc C s |s2| j s2x"t|�D ]}t| |g|dd� qW dS g }g }t| �}xRt| ||�D ]B\}}} } } } } | sj| r�|�||| | | f� qP|�||| | f� qPW x\| j�� D ]N\}} || jkr�q�t ||�}t |||�}t | ||| ||� t | ||| ||� q�W t | |tdd� |D �dd� |D ��� dS )a; Issue ``INSERT`` and/or ``UPDATE`` statements for a list of objects. 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T)�singleNc s s$ | ] \}}}}||||d fV qdS )FNr )r r r r r r r r r! � s zsave_obj.<locals>.<genexpr>c s s& | ] \}}}}}||||d fV qdS )TNr )r r r r r �update_version_idr r r r! s )Zbatch� _sort_states�save_objr* �_organize_states_for_save�appendr/ r0 � _pks_by_tabler2 rE rF r3 � _finalize_insert_update_commandsr )r) r9 �uowtransactionrH r �states_to_update�states_to_insertr8 r r r � has_identity� row_switchrI r: �insert�updater r r rK � sR rK c sv t | �}tt| ||��}xX| j�� D ]J\�� �� jkr8q$� �fdd�|D �}t| |�||�}t| ||� �|� q$W dS )z\Issue UPDATE statements on behalf of a relationship() which specifies post_update. c 3 sH | ]@\}}}}�|j kr||||� jd k r:� �||� j�nd fV qd S )N)rN �version_id_col�#_get_committed_state_attr_by_column)r r r Z sub_mapperr )r r: r r r! s z post_update.<locals>.<genexpr>N)r* r. � _organize_states_for_post_updater/ r0 rN � _collect_post_update_commands� _emit_post_update_statements)r) r9 rP �post_update_colsr8 rQ rV r )r r: r � post_update s" r] c C s� t | �}tt| ||��}| j}x\tt|�� ��D ]H}|| }||jkrJq0n|jrX|jrXq0t | |||�}t | |||||� q0W x&|D ] \} } }} } |j � || | � q�W dS )z�Issue ``DELETE`` statements for a list of objects. 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This includes calling out before_delete and obtaining key information for each state including its dictionary, mapper, the connection to use for the execution per state. N)rg rc Z before_deleterW rX )r) r9 rP r r r r rI r r r r^ � s r^ c c s� �x�|D �]�\}}}}| |j kr"qi } i } |j| } |j| } x~t| ��|�D ]l} || }| | }|dkrz|| krz|szqNqN|s�t|d�s�t|tj�r�t|d�r�|� � n|| |< qN|| |j < qNW |s�x0|j | � | �� dd� | D ��D ] }d| |< q�W |r�|�r0|j | �| �}|jj�r*|j| �| �}nd}nd }}|jdk �rt|jdk �rt|j|j| k�rt|�d�| |jj < ||| ||| ||fV qW dS )zSIdentify sets of values to use in INSERT statements for a list of states. N�__clause_element__c S s g | ] }|j �qS r )r' )r �cr r r r s z,_collect_insert_commands.<locals>.<listcomp>TF)rN �_propkey_to_colZ _insert_cols_evaluating_none�set� intersection�hasattr� isinstancer � ClauseElementrq r' Z_insert_cols_as_none� differenceZ_pk_keys_by_table�issubsetr) �eager_defaultsZ_server_default_cols�version_id_generatorrW �_cols_by_table)r: rR r# r$ r% r r r r r r �propkey_to_colZ eval_none�propkey�value�colZcolkeyr r r r r r2 � sX r2 c # sx �xp|D �]f\}�}}}||j kr$q|j | }i } |j| � |rtt� �fdd�t� �����|j| �D ��} d} n�i } x�t� ��|j�D ]n} �| } � | }t| d�s�t | t j �r�t| d�r�| � � n| | |< q�|j | j�| |j| �dk r�| | |j< q�W |jj�r|j| �| �} nd} |dk �r�|j|j| k�r�|�s�| �s�| �s�x:|j�� D ]*}|j |j j�|�tj�}|j �rVP �qVW q|j}| �o�| }|| |j < |�s�|j| k�r�|j dk �r�|� |�}|| |j< n |j dk�r|�r|| |j< n| �s| �sqd}d}|�r<t� �fdd�t� ��|j| �D ��}n�i }x�|D ]�}|j| j} |j | j�|�tj �}|j �r�|j �r�d||f| jk�r�d}|j d ||j < | �!|jd� n |j d ||j < || k�r�d}n|j"d ||j < ||j dk�rFt#�$d ||f ���qFW | �s| �r:| �%|� |�| ||| | |fV q|rx0|j&| D ]"\}}t'�(|||||| |j)� �qJW qW dS ) at Identify sets of values to use in UPDATE statements for a list of states. 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Z s z+_collect_update_commands.<locals>.<genexpr>Trq NFc 3 s" | ]}� | j ��|�fV qd S )N)�_label�get)r r )r~ r r r r! � s Z pk_cascadedr zCCan't update table %s using NULL for primary key value on column %s)*rN rs r rt ru ry Z_pk_attr_keys_by_tabler> rv rw r rx rq �manager�implZis_equalr' r) r{ Z _server_onupdate_default_colsrz rW r} �_columntoproperty�values� get_historyr �PASSIVE_NO_INITIALIZE�addedr� r| � PASSIVE_OFFZdeleted�popZ unchangedrm rn rV �_table_to_equatedr �populate�passive_updates)rP r: rQ r# r r r rI �pksr r r r r� r� �prop�historyZ no_params�valr Zexpect_pk_cascadedZ pk_params�m� equated_pairsr )r~ r r rE 7 s� rE c c s6 �x.|D �]$\}}}}} |j | } i } d} x�|j| D ]|} | | kr^|j||| tjd�| | j< q6| |ksp| jdk r6|j| }|j|j j � ||tj �}|j r6|j d }|| | j < d} q6W | r| dk �r |j|j| k�r |j} | | | j< t|j ��r | j | k�r |jdk �r |�| �}|| | j < ||||| fV qW dS )zrIdentify sets of values to use in UPDATE statements for a list of states within a post_update operation. F)ZpassiveNr T)rN r} Z_get_state_attr_by_columnr r� r� Zonupdater� r� r' r� r� r� r� rW rh r| )r) rP r: rQ r\ r r r r rI r� r Zhasdatar� r� r� r� r� r r r rZ � s8 rZ c c s� x�|D ]�\}}}}}||j kr qi } xD|j | D ]6} |�||| � | | j< } | dkr0t�d|| f ��q0W |dk r�|j|j| kr�|| |jj< | |fV qW dS )zSIdentify values to use in DELETE statements for a list of states to be deleted.NzHCan't delete from table %s using NULL for primary key value on column %s)rN rX r' rm rn rW r} ) r) rP r: rd r r r r rI r r� r� r r r ra ( s ra Tc s� � j dk o� j � j� k�� ��fdd�}| �d�f|�}�xRt|dd� �D �]>\\} } } } } }d}t|�}|}d}| s�|�� }d }n8|r�| s�� jjr�|�� }d }n� j dk r�|�� j �}d }|s�| jj n| jj }|o�| jj }| o� }| �rTxb|D ]Z\}}}� } }} } | � |� |�|�}|�r@t� |�||||jjd |d � ||j7 }|}q�W n�|�s�|}x�|D ]V\}}}� } }} } || � ||�}|�r�t� |�||||jjd |d � ||j7 }�qdW n�d d � |D �}|�p�|�o�t|�d k}|| � ||�}||j7 }xD|D ]<\}}}� } }} } |�rt� |�||||jjd |d � �qW |�rv|t|�k�r�t�d �jt|�|f ��qL�rLt�d|jj � qLW dS )z`Emit UPDATE statements corresponding to value lists collected by _collect_update_commands().Nc sp t �� } x0� j� D ]"}| j�|t j|j|jd�k� qW �rb| j�� jt j� jj� jjd�k� �� | �}|S )N)�type_) r �and_rN �clausesrM � bindparamr� �typerW rV )�clauser� �stmt)r �needs_version_idr: r r � update_stmt` s z,_emit_update_statements.<locals>.update_stmtrV c S s* | d t | d �t| d �| d | d fS )N� r � � � )rt rh )�recr r r �<lambda>{ s z)_emit_update_statements.<locals>.<lambda>r FTc S s g | ] }|d �qS )r r )r r� r r r r � s z+_emit_update_statements.<locals>.<listcomp>r zMUPDATE statement on table '%s' expected to update %d row(s); %d were matched.zMDialect %s does not support updated rowcount - versioning cannot be verified.)rW r} �_memor r. r$ r) r{ �dialect�supports_sane_rowcount� supports_sane_rowcount_returning� supports_sane_multi_rowcount�executer� � _postfetch�context�compiled_parameters�rowcount�lenrm �StaleDataError� descriptionr �warn�dialect_description) r) rP r8 r r: rV r& r� � cached_stmtr Z paramkeys�hasvaluer r r< �rows� statementr$ �assert_singlerow�assert_multirow�allow_multirowr r r r rr �check_rowcount� multiparamsr )r r� r: r rF O s� rF c C s | � d|f|j�}�x�t|dd� �D �]�\\}} } } } } |}|rZ| sR| jrR|jjs�| r�| s�t| �} dd� | D �}|| �||�}|r�xTt| |j j �D ]B\\}}}}}}} } }|r�t ||||||||d� q�t |||� q�W q$| s�| jr�|� � }n|jdk �r|� |j�}x�| D ]�\}}}}}}} } |�r<|�|�|�|�}n|| �||�}|j j}|dk �r�xXt||j| �D ]D\}}|j| } |dk �rp||k�s�|�| j�dk�rp||| j< �qpW |�r|�r�t |||||||j j d |d� n t |||� �qW q$W dS ) z`Emit INSERT statements corresponding to value lists collected by _collect_insert_commands().rU c S s* | d t | d �t| d �| d | d fS )Nr� r r� r� r� )rt rh )r� r r r r� # s z)_emit_insert_statements.<locals>.<lambda>c S s g | ] }|d �qS )r r )r r� r r r r : s z+_emit_insert_statements.<locals>.<listcomp>FNr )r� rU r r{ r� Zimplicit_returningr. r� �zipr� r� r� �_postfetch_bulk_saver$ rW r� Zinserted_primary_keyrN r� r� r' ) r) rP r8 r r: rU r& r� r Zpkeysr� r r r< r� r� rr r r r � mapper_recr r Zlast_inserted_params�result� primary_key�pkr� r� r r r r3 s~ & r3 c s� � j dk o� j � j� k�� ��fdd�}| �d�f|�}�xtt|dd� �D �]`\}} d} t| �} |d } � j dkr|| jjn| jj} | o�| jj} � p�| }|s�| }x�| D ]D\}}}} }|| � ||�}t ||�||||j j d � | |j 7 } q�W nvdd � | D �}| �p| �ot|�d k}|| � ||�}| |j 7 } x4| D ],\}}}} }t ||�||||j j d � �q8W |�r�| t| �k�r�t�d �jt| �| f ��qL�rLt�d |jj � qLW dS ) zeEmit UPDATE statements corresponding to value lists collected by _collect_post_update_commands().Nc s� t �� } x0� j� D ]"}| j�|t j|j|jd�k� qW �rb| j�� jt j� jj� jjd�k� �� | �}� jd k r�|� � j�}|S )N)r� ) r r� rN r� rM r� r� r� rW rV r$ )r� r� r� )r r� r: r r r� � s z1_emit_post_update_statements.<locals>.update_stmtr] c S s | d t | d �fS )N� r� )rt )r� r r r r� � � z._emit_post_update_statements.<locals>.<lambda>r c S s g | ]\}}}}}|�qS r r )r r r r� r r r r r r � s z0_emit_post_update_statements.<locals>.<listcomp>r zMUPDATE statement on table '%s' expected to update %d row(s); %d were matched.zMDialect %s does not support updated rowcount - versioning cannot be verified.)rW r} r� r r. r� r� r� r� r� �_postfetch_post_updater� r� r� r� rm r� r� r r� r� )r) rP r8 r r: rV r� r� r' r< r� r r� r� r� r� r r r� r rr r� r )r r� r: r r[ � sh r[ c s` � j dk o� j � j� k�� ��fdd�}| �d�f|�}�x t|dd� �D �] \}} dd� | D �} || }t| �} d } d } �r�|jjs�|jjr�d } xF| D ]}|�||�}| |j 7 } q�W q�t j d |jj d d� |�|| � n|�|| �}�s�d} |j } | j rL| d krL| | krL|jj�s$t| �dkrL| �rBt � d�j| | f � qLt�d�j| | f ��qLW dS )z`Emit DELETE statements corresponding to value lists collected by _collect_delete_commands().Nc sl t �� } x0� j� D ]"}| j�|t j|j|jd�k� qW �rb| j�� jt j� jj� jjd�k� �� | �S )N)r� ) r r� rN r� rM r� r' r� rW re )r� r� )r �need_version_idr: r r � delete_stmt s z,_emit_delete_statements.<locals>.delete_stmtre c S s | d S )Nr r )r� r r r r� " r� z)_emit_delete_statements.<locals>.<lambda>c S s g | ] \}}|�qS r r )r r r r r r r # s z+_emit_delete_statements.<locals>.<listcomp>���Fr zMDialect %s does not support deleted rowcount - versioning cannot be verified.� )� stacklevelTr z�DELETE statement on table '%s' expected to delete %d row(s); %d were matched. 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