o
    )f                    @  s  d Z ddlmZ ddlZddlZddlmZ ddlmZ ddlmZ ddlm	Z	 dd	l
mZ dd
l
mZ ddl
mZ ddl
mZ ddl
mZ ddl
mZ ddl
mZ ddl
mZ ddl
mZ ddl
mZ ddlmZ ddlmZ ddlmZ ddlmZ ddlmZ ddlmZ ddlmZ ddlm Z  ddlm!Z! ddlm"Z" ddlm#Z# ddlm$Z$ ddlm%Z% dd l&m'Z' dd!l(m)Z) dd"l*m+Z+ dd#lm,Z, dd$lm-Z- d%d&l
m.Z. d%d
l
mZ/ d%d'l
m0Z0 d%d(l
m1Z1 d%d)l
m2Z2 d%dl
mZ d%dl2mZ3 d%d*l2m4Z4 d%d+l5m6Z6 d%d,l5m7Z7 e	rdd-lm8Z8 d%d.l9m:Z: 					/	dbd0d1Z;ej<j=d/d/d2G d3d4 d4e$Z>e1j?ej<j=d5d/d2G d6d7 d7e$Z@e1j?ej<j=d5d8G d9d: d:e@ZAe1j?ej<j=d5d5d;ej<j=d5d5d5d<ej<j=d5d=G d>d? d?e$ZBG d@dA dAZCG dBdC dCe$ZDe1j?ej8j=d5d=G dDdE dEe$ZEe1j?ej8j=dFdGej8j=ddGG dHdI dIeDZFe1j?ej8j=d5dGej8j=dJdGej8j=dKdGej8j=dLdGej8j=dMdGG dNdO dOeDejGe1jHZIG dPdQ dQZJG dRdS dSeDZKej8j=dTdGG dUdV dVeKZLe1j?ej8j=dWdGG dXdY dYeKZMe1j?ej8j=dZdGej8j=d/dGG d[d\ d\eDZNe1j?ej8j=d]dGG d^d_ d_eKejGZOd`da ZPdS )czWsqlalchemy.orm.interfaces.LoaderStrategy
   implementations, and related MapperOptions.    )annotationsN)Any)Dict)Tuple)TYPE_CHECKING   )
attributes)exc)
interfaces)loading)path_registry)
properties)query)relationships)
unitofwork)util)_DEFER_FOR_STATE)_RAISE_FOR_STATE)_SET_DEFERRED_EXPIRED)ATTR_WAS_SET)LoaderCallableStatus)PASSIVE_OFF)PassiveFlag)_column_descriptions)ORMCompileState)ORMSelectCompileState)QueryContext)LoaderStrategy)StrategizedProperty)_state_session)InstanceState)Load)	_none_set)AliasedClass   )event)inspect)log)sql)visitors)LABEL_STYLE_TABLENAME_PLUS_COL)Select)RelationshipProperty)ColumnElementFc	                   s   g }
|o| j |r| jr|
t | j| jjv r+| jj| j \|
fdd |r3|
tj |rG| j	  rG| j
rG|
 fdd |jD ]C}| |j| ju r|j| jstj|j| jf| |||oq| jpq| jtju ||||| p{| j | jd|	}|
D ]}|||  qqJd S )Nc                   s   t j| |j fi S N)orm_util_validator_eventskeydescprop)fnopts V/var/www/html/flask-app/venv/lib/python3.12/site-packages/sqlalchemy/orm/strategies.py<lambda>X   s
    z%_register_attribute.<locals>.<lambda>c                   s   t |  S r.   )r   backref_listenersr2   )backrefuselistr7   r8   r9   f   s    )parent_tokenr<   compare_function	useobjecttrackparenttypecallable	callable_active_history
impl_classsend_modified_eventsdoc)r<   single_parentappendsingle_parent_validatorr1   parent
validatorsr   track_cascade_eventsback_populates_effective_sync_backrefself_and_descendants_propsgetclass_manager_attr_has_implr   register_attribute_implclass_	directionr
   	ONETOMANYviewonlyrF   )r4   mapperr?   r>   rA   rB   proxy_propertyrC   rD   kwlisten_hooksmr3   hookr7   )r;   r5   r6   r<   r8   _register_attributeB   s^   





r_   )
instrumentdeferredc                      s8   e Zd ZdZdZ fddZ	d
ddZdd	 Z  ZS )UninstrumentedColumnLoaderzRepresent a non-instrumented MapperProperty.

    The polymorphic_on argument of mapper() often results in this,
    if the argument is against the with_polymorphic selectable.

    columnsc                      t  || | jj| _d S r.   )super__init__parent_propertyrd   selfrJ   strategy_key	__class__r7   r8   rg         z#UninstrumentedColumnLoader.__init__Nc           	      K  s*   | j D ]}|r|j | }||| qd S r.   )rd   _append_dedupe_col_collection)	rj   compile_statequery_entitypathloadoptadaptercolumn_collectionkwargscr7   r7   r8   setup_query   s
   


z&UninstrumentedColumnLoader.setup_queryc	           	      C  s   d S r.   r7   	rj   contextrq   rr   rs   rY   resultrt   
populatorsr7   r7   r8   create_row_processor   s   z/UninstrumentedColumnLoader.create_row_processorr.   )	__name__
__module____qualname____doc__	__slots__rg   rx   r}   __classcell__r7   r7   rl   r8   rb      s    
rb   Tc                      s@   e Zd ZdZdZ fddZ	dddZdd	 Zd
d Z  Z	S )ColumnLoaderz8Provide loading behavior for a :class:`.ColumnProperty`.)rd   is_compositec                   s*   t  || | jj| _t| jd| _d S )Ncomposite_class)rf   rg   rh   rd   hasattrr   ri   rl   r7   r8   rg      s   
zColumnLoader.__init__Fc	                 K  sv   | j D ]}
|r|r||
}
|
d u r d S n|j |
 }
||
| q| j d }|r4|j | }|d u r4d S ||| j< d S Nr   )rd   adapt_check_presentro   rh   )rj   rp   rq   rr   rs   rt   ru   memoized_populatorscheck_for_adaptrv   rw   fetchr7   r7   r8   rx      s   




zColumnLoader.setup_queryc                 C  s`   d| _ | jd j}| jjp"| jd jp"|jd uo"|j|jd | ju }t	| j|d|j
|d d S )NTr   F)r?   r>   rC   )is_class_levelrd   typerh   rC   primary_keyversion_id_col_columntopropertyrQ   r_   compare_values)rj   rY   coltyperC   r7   r7   r8   init_class_attribute   s"   



z!ColumnLoader.init_class_attributec	                 C  s\   | j D ]}	|r|j |	 }	||	d}
|
r!|d | j|
f  d S q|d | jdf d S NFquickexpireT)rd   _getterrH   r1   )rj   rz   rq   rr   rs   rY   r{   rt   r|   colgetterr7   r7   r8   r}     s   

z!ColumnLoader.create_row_processorF)
r~   r   r   r   r   rg   rx   r   r}   r   r7   r7   rl   r8   r      s    
!r   )query_expressionc                      s4   e Zd Z fddZdd Zdd Zdd Z  ZS )	ExpressionColumnLoaderc                   s<   t  || t d  t fdd| jjD | _d S )Nc                 3  s    | ]	}|   V  qd S r.   )compare.0rw   nullr7   r8   	<genexpr>%  s    
z2ExpressionColumnLoader.__init__.<locals>.<genexpr>)	rf   rg   r(   r   labelanyrh   rd   _have_default_expressionri   rl   r   r8   rg     s
   zExpressionColumnLoader.__init__c                 K  s   d }	|r|j r|j }	n| jr| jj}	|	d u rd S |	D ]}
|r#|j|
 }
||
| q|	d }|r;|j| }|d u r;d S ||| j< d S r   )_extra_criteriar   rh   rd   ro   )rj   rp   rq   rr   rs   rt   ru   r   rv   rd   rw   r   r7   r7   r8   rx   )  s"   


z"ExpressionColumnLoader.setup_queryc	                 C  sr   |r5|j r7|j }	|	D ]}
|r|j|
 }
||
d}|r(|d | j|f  d S q
|d | jdf d S d S d S r   )r   rd   r   rH   r1   )rj   rz   rq   rr   rs   rY   r{   rt   r|   rd   r   r   r7   r7   r8   r}   N  s   

z+ExpressionColumnLoader.create_row_processorc                 C  s(   d| _ t| j|d| jd jjdd d S )NTFr   )r?   r>   accepts_scalar_loader)r   r_   rh   rd   r   r   rj   rY   r7   r7   r8   r   h  s   
z+ExpressionColumnLoader.init_class_attribute)r~   r   r   rg   rx   r}   r   r   r7   r7   rl   r8   r     s
    %r   )ra   r`   )ra   r`   	raiseload)
do_nothingc                      sP   e Zd ZdZdZ fddZdd Zdd Z		dd
dZdd Z	dd Z
  ZS )DeferredColumnLoaderzAProvide loading behavior for a deferred :class:`.ColumnProperty`.)rd   groupr   c                   sJ   t  || t| jdrtd| jdd| _| jj| _| jj	| _	d S )Nr   z8Deferred loading for composite types not implemented yetr   F)
rf   rg   r   rh   NotImplementedErrorstrategy_optsrQ   r   rd   r   ri   rl   r7   r8   rg     s   
zDeferredColumnLoader.__init__c	           
   
   C  s   |j r"|jjjr"| j|jjjv r"| jd|||||||| d S | js=| j	r-| jj
}	n| jj}	|d | j|	f d S |d | jdf d S )N)ra   Fr`   Tnewr   F)refresh_stater   _compile_options_only_load_propsr1   rh   _get_strategyr}   r   r   _raise_column_loader_deferred_column_loaderrH   )
rj   rz   rq   rr   rs   rY   r{   rt   r|   set_deferred_for_local_stater7   r7   r8   r}     s4   z)DeferredColumnLoader.create_row_processorc                 C  s,   d| _ t| j|d| jd jj| jdd d S )NTFr   )r?   r>   rB   load_on_unexpire)r   r_   rh   rd   r   r   _load_for_stater   r7   r7   r8   r     s   
z)DeferredColumnLoader.init_class_attributeNc	           
      K  s   |j jr| jjs*|rt| j| jjs*|r#| j	r#|j
d| j	 ds*|r?| j|v r?| jdj|||||||fi |	 d S | jrIt|| j< d S | jsSt|| j< d S t|| j< d S )Nzundefer_group_%sFr   )compile_options_render_for_subqueryrh   _renders_in_subqueriessetrd   intersectionrJ   _should_undefer_in_wildcardr   
local_optsrQ   r1   r   rx   r   r   r   r   r   )
rj   rp   rq   rr   rs   rt   ru   r   only_load_propsr[   r7   r7   r8   rx     sP   




z DeferredColumnLoader.setup_queryc                   s   j stjS |tj@ stjS jj} jr  fdd|j	D }n j g}fdd|D }t
}|d u rBtdt j f  jrL |d tjt|t tjS )Nc                   s4   g | ]}t |trt |jtr|j jkr|jqS r7   )
isinstancer   strategyr   r   r1   )r   prj   r7   r8   
<listcomp>  s    
z8DeferredColumnLoader._load_for_state.<locals>.<listcomp>c                   s   g | ]	}| j v r|qS r7   )
unmodified)r   k)stater7   r8   r     s    zfParent instance %s is not bound to a Session; deferred load operation of attribute '%s' cannot proceedraise)r1   r   
ATTR_EMPTYr   SQL_OKPASSIVE_NO_RESULTmanagerrY   r   iterate_propertiesr   orm_excDetachedInstanceErrorr/   	state_strr   _invoke_raise_loadr   load_scalar_attributesr   r   r   )rj   r   passivelocalparenttoloadr   sessionr7   )rj   r   r8   r     s0   

z$DeferredColumnLoader._load_for_statec                 C  s   t d| f )Nz+'%s' is not available due to raiseload=Truesa_excInvalidRequestErrorrj   r   r   lazyr7   r7   r8   r   #  s   z'DeferredColumnLoader._invoke_raise_loadr.   )r~   r   r   r   r   rg   r}   r   rx   r   r   r   r7   r7   rl   r8   r   t  s    
3
3(r   c                   @  s*   e Zd ZdZddddZejfd	d
ZdS )LoadDeferredColumnsz7serializable loader object used by DeferredColumnLoaderFr1   strr   boolc                 C  s   || _ || _d S r.   )r1   r   )rj   r1   r   r7   r7   r8   rg   ,  s   
zLoadDeferredColumns.__init__c                 C  s>   | j }|jj}|j| }| jrd}nd}||}|||S )N)ra   Tr   )r   T)r   r   )r1   r   rY   rP   r   r   r   )rj   r   r   r1   r   r4   rk   r   r7   r7   r8   __call__0  s   

zLoadDeferredColumns.__call__Nr   )r1   r   r   r   )r~   r   r   r   rg   r   r   r   r7   r7   r7   r8   r   )  s    r   c                      s,   e Zd ZdZdZ fddZdd Z  ZS )AbstractRelationshipLoaderz0LoaderStratgies which deal with related objects.)rY   targetr<   entityc                   s:   t  || | jj| _| jj| _| jj| _| jj| _d S r.   )rf   rg   rh   rY   r   r   r<   ri   rl   r7   r8   rg   F  s
   


z#AbstractRelationshipLoader.__init__c	           	   
   C  s    | j d||||||||S )N))r   	immediate)rh   r   r}   ry   r7   r7   r8   #_immediateload_create_row_processorM  s   z>AbstractRelationshipLoader._immediateload_create_row_processor)r~   r   r   r   r   rg   r   r   r7   r7   rl   r8   r   A  s
    r   c                   @  s   e Zd ZdZdS )DoNothingLoaderzRelationship loader that makes no change to the object's state.

    Compared to NoLoader, this loader does not initialize the
    collection/attribute to empty/none; the usual default LazyLoader will
    take effect.

    N)r~   r   r   r   r7   r7   r7   r8   r   f  s    r   noload)r   c                   @  s$   e Zd ZdZdZdd Zdd ZdS )NoLoaderzQProvide loading behavior for a :class:`.Relationship`
    with "lazy=None".

    r7   c                 C  s    d| _ t| j|d| jjd d S )NT)r?   rA   )r   r_   rh   collection_classr   r7   r7   r8   r   }  s   
zNoLoader.init_class_attributec	           
        s$    fdd}	|d   j|	f d S )Nc                   s(    j rt| | j d S d | j< d S r.   )r<   r   init_state_collectionr1   r   dict_rowr   r7   r8   invoke_no_load  s   z5NoLoader.create_row_processor.<locals>.invoke_no_loadr   )rH   r1   )
rj   rz   rq   rr   rs   rY   r{   rt   r|   r   r7   r   r8   r}     s   zNoLoader.create_row_processorN)r~   r   r   r   r   r   r}   r7   r7   r7   r8   r   r  s
    
r   selectr   raise_on_sqlbaked_selectc                      s   e Zd ZU dZdZded< ded< ded< ded< d	ed
< d# fddZdd Zdd Zdd Z	dd Z
ddddejfddZdd Zeddd  Zd!d" Z  ZS )$
LazyLoaderztProvide loading behavior for a :class:`.Relationship`
    with "lazy=True", that is loads when first accessed.

    )
_lazywhere_rev_lazywhere_lazyload_reverse_option	_order_byuse_getis_aliased_class_bind_to_col_equated_columns_rev_bind_to_col_rev_equated_columns_simple_lazy_clause_raise_always_raise_on_sqlzColumnElement[bool]r   zDict[str, ColumnElement[Any]]r   r   r   RelationshipProperty[Any]rh   rJ   rk   Tuple[Any, ...]c                   s8  t  || | jd dk| _| jd dk| _t| jj| _| jj	}|
 \| _| _| _|j
dd\| _| _| _| jjrJdd t| jjD | _nd | _| jd| | j | j om| j om| jjd	 j| jdd
| jjd| _| jrt| jD ]}|| jjv r| jj| D ]
}| j| | j|< qqw| jd|  d S d S )Nr   r   r   T)reverse_directionc                 S  s   g | ]
}t |d diqS )
_orm_adaptT)sql_util_deep_annotater   elemr7   r7   r8   r     s    z'LazyLoader.__init__.<locals>.<listcomp>z%s lazy loading clause %sr   Fuse_proxiescompare_keysequivalentsz4%s will use Session.get() to optimize instance loads)rf   rg   r   r  r  r&   r   r   rh   _join_conditioncreate_lazy_clauser   r   r   r   r   r   order_byr   to_listr   loggerinfor<   _get_clauser   rY   _equivalent_columnsr   list)rj   rJ   rk   join_conditionr   rw   rl   r7   r8   rg     sR   


zLazyLoader.__init__c              	   C  sv   d| _ | jj}| jjrd}d}n| jjtjus| js&|r!d}d}n	d}d}nd }}t| j|d| j	| jj
||d d S )NTF)r?   rB   rA   rC   _deferred_history)r   rh   _legacy_inactive_history_stylerC   rV   r
   	MANYTOONEr   r_   r   r   )rj   rY   r  rC   r  r7   r7   r8   r     s0   
zLazyLoader.init_class_attributec                   sd   t | jddi}|| j} g dd }t|i d|i  fdd}t|i d|i}|fS )Nr  Tc                 S  s
   d| _ d S )NF)unique	bindparamr7   r7   r8   visit_bindparam'  s   
zFLazyLoader._memoized_attr__simple_lazy_clause.<locals>.visit_bindparamr  c                   sL   | j  v r| j | j  d f d S | jd u r$| jd | jf d S d S r.   )_identifying_keyrH   r1   callablevaluer  bind_to_colparamsr7   r8   r   ,  s   

)r  r	  r   r   r)   traversecloned_traverse)rj   	lazywhere	criterionr   r7   r$  r8   "_memoized_attr__simple_lazy_clause  s   

z-LazyLoader._memoized_attr__simple_lazy_clausec                 C  s   | j \}}|d u rt|dd |D S | jj}| }t|}|tj	@ r+|tj	N }i }|D ]%\}	}
}|
d urP|rH|tj
@ rH||||
|}n||||
|}|||	< q/||fS )Nc                 S  s   g | ]\}}}|qS r7   r7   )r   r1   identr#  r7   r7   r8   r   C      z4LazyLoader._generate_lazy_clause.<locals>.<listcomp>)r  r  adapt_criterion_to_nullrh   rJ   objr   instance_dictr   INIT_OKLOAD_AGAINST_COMMITTED#_get_committed_state_attr_by_column_get_state_attr_by_column)rj   r   r   r*  
param_keysrY   or   r&  r1   r,  r#  r7   r7   r8   _generate_lazy_clause>  s,   




z LazyLoader._generate_lazy_clausec                 C  s   t d| |f )Nz&'%s' is not available due to lazy='%s'r   r   r7   r7   r8   r   ^  s   
zLazyLoader._invoke_raise_loadNr7   c                 C  s  |j s| jjs
|jr|jstjS |j  }d }	| jo| p|j }
|t	j
@ s'|
r.|tj@ s1|r1tjS | jrG|t	j@ sG|
r@|t	j@ rG| ||d t|}|sb|t	j@ rUtjS tdt|| j f |
r| |||}	tj|	v rstjS tj|	v r{tjS t|	rd S | j |jv r|t	j@ stjS |j| j|	||d}|d ur|tj u rd S |S |t	j
@ r|t	j@ stjS | !|||	||||||	S )Nr   zbParent instance %s is not bound to a Session; lazy load operation of attribute '%s' cannot proceed)r   lazy_loaded_from)"r1   rh   load_on_pending_load_pending
session_idr   r   r   r   r   r   r   NON_PERSISTENT_OKr   r  NO_RAISERELATED_OBJECT_OKr   r   r   r   r/   r   _get_ident_for_use_get	NEVER_SETr"   
issupersetdictDEFERRED_HISTORY_LOADr   _identity_lookupr   PASSIVE_CLASS_MISMATCH_emit_lazyload)rj   r   r   rs   extra_criteriaextra_optionsalternate_effective_pathexecution_optionspendingprimary_key_identityr   r   instancer7   r7   r8   r   c  s   





zLazyLoader._load_for_statec                   sD   j j}tj@ r|jn|jj  fddjjD S )Nc                   s"   g | ]} j | d qS )r   r   r   pkr   get_attrr   rj   r   r7   r8   r     s    z5LazyLoader._get_ident_for_use_get.<locals>.<listcomp>)r   rY   r   r2  r3  r4  rB  r   )rj   r   r   r   instance_mapperr7   rR  r8   r?    s   
z!LazyLoader._get_ident_for_use_getzsqlalchemy.orm.strategy_optionsc
                   s  t jj j }
tj|
g|
jtt	j
d}tj}|d|d7 } jjd ur.| j jj}|j }|s9|tj@ rAt ddi|_ j}|jsL|rt|jrt|d u rW|j j }n| j }|j}|rp|jrpd}|t j|f7 }||_n|d u r|jj j }n| j }|r| j|7  _| jd|i7  _|r jr|t j!@ s "||d t#j$|||||	dS  j%r j%|_& fdd	}| j'| jff7  _' (||\}}|	rt j)*|	d
|i}	nd
|i}	 j|j+v r|t j,@ st-j.S |rt /tj0|1 rd S nt /tj2|1 rd S  jr|t j!@ s "||d |f|_3|j4|||	d}|5 6 7 } j8r6|S t9|}|rN|dkrJt :d j  |d S d S )N)_raw_columns_propagate_attrs_label_styler   F)_invoke_all_eagers_lazy_loaded_from	autoflush_current_pathr   )load_optionsrJ  c                   sR    j jD ]"}|jtju r&|jr&t|jts&j	
| jj|j ||  qd S r.   )rh   _reverse_propertyrV   r
   r  _use_getr   r   r   r!   _construct_for_existing_pathr   r[  rJ   lazyloadprocess_compile_state)compile_contextrevrj   strategy_optionsr7   r8   _lazyload_reverse7  s   
z4LazyLoader._emit_lazyload.<locals>._lazyload_reverse_sa_orm_load_options)rJ  r   zKMultiple rows returned with uselist=False for lazily-loaded attribute '%s' r   );r   	preloadedorm_strategy_optionsr   __clause_element__r+   _create_raw_selectrV  r*   r   default_compile_optionsr   default_load_optionsrh   	secondaryselect_fromrY   r1   r   NO_AUTOFLUSHimmutabledict_execution_optionsr   r\  r   	load_pathr/   LoaderCriteriaOption_with_options_path_registryr   r  r   r=  r   r   load_on_pk_identityr   _order_by_clauses_with_context_optionsr7  
EMPTY_DICT
merge_withrB  rC  r   r   has_intersectionr"   values
_never_set_where_criteriaexecuter  scalarsallr<   lenwarn)rj   r   r   rL  r   rs   rG  rH  rI  rJ  clauseelementstmtr\  rK  r   effective_pathr6   rf  lazy_clauser&  r{   lr7   rd  r8   rF    s   





zLazyLoader._emit_lazyloadc	              
     s   | j  |jjr |jjjr | j |jjjv r | ||||||||S | jr(|rI|jrIt	
|jt | ||jr8||nd  }	|d | j |	f d S |jsO|jra fdd}
|d | j |
f d S d S )Nr   c                   s   |  |  d S r.   )_resetr   r1   r7   r8   reset_for_lazy_callable  s   	z@LazyLoader.create_row_processor.<locals>.reset_for_lazy_callable)r1   r\  _is_user_refreshr   r   r   r   r   r   r    "_instance_level_callable_processorrR   LoadLazyAttribute_generate_extra_criteriarH   populate_existingalways_refresh)rj   rz   rq   rr   rs   rY   r{   rt   r|   set_lazy_callabler  r7   r  r8   r}     sF   

zLazyLoader.create_row_processor)rJ   r  rk   r  )r~   r   r   r   r   __annotations__rg   r   r+  r7  r   r   rz  r   r?  preload_modulerF  r}   r   r7   r7   rl   r8   r     s0   
 	<"  	
p
 r   c                   @  s.   e Zd ZdZdd Zdd ZejfddZdS )	r  a  semi-serializable loader object used by LazyLoader

    Historically, this object would be carried along with instances that
    needed to run lazyloaders, so it had to be serializable to support
    cached instances.

    this is no longer a general requirement, and the case where this object
    is used is exactly the case where we can't really serialize easily,
    which is when extra criteria in the loader option is present.

    We can't reliably serialize that as it refers to mapped entities and
    AliasedClass objects that are local to the current process, which would
    need to be matched up on deserialize e.g. the sqlalchemy.ext.serializer
    approach.

    c                 C  s   || _ |j| _|| _|| _d S r.   r1   rk   rs   rG  )rj   r1   initiating_strategyrs   rG  r7   r7   r8   rg     s   
zLoadLazyAttribute.__init__c                 C  s(   | j d ur
td | j| j| jddS )NzvCan't reliably serialize a lazyload() option that contains additional criteria; please use eager loading for this caser7   r  )rG  r   r  r1   rk   rs   r   r7   r7   r8   __getstate__  s   
zLoadLazyAttribute.__getstate__c                 C  s:   | j }|jj}|j| }|j| j }|j||| j| jdS )N)rs   rG  )	r1   r   rY   rP   _strategiesrk   r   rs   rG  )rj   r   r   r1   rT  r4   r   r7   r7   r8   r     s   
zLoadLazyAttribute.__call__N)	r~   r   r   r   rg   r  r   r   r   r7   r7   r7   r8   r    s
    r  c                   @  s   e Zd ZdZdZdddZdS )
PostLoaderz;A relationship loader that emits a second SELECT statement.r7   Nc                 C  sF  |j jptjj| }| }td|i}|r#|j	dd }|dk}	nd }d}	|d ura| j
js9td| j
 d|j	dt|  |}|	sQ|dk rQ|d||fS |	sa|dt|  |d	 i}tj||| j
rp|d||fS || j
 }
|| j
 }|
|jd
s|r|jd |kr|d||fS n|| jr|d||fS |d||fS )Nsa_top_level_orm_contextrecursion_depthFz'recursion_depth option on relationship z0 not valid for non-self-referential relationship_recursion_depth_r   r   loaderr$   T)rp   current_pathr/   PathRegistryroot_get_top_level_contextr   rq  r   rQ   rh   _is_self_referentialr   r   rJ  idunionr   PostLoadpath_existscontainsr   lengthcontains_mapperrY   )rj   rz   rr   rs   
join_depthr  top_level_contextrJ  r  unlimited_recursionpath_w_propeffective_path_w_propr7   r7   r8   _setup_for_recursion  sn   


zPostLoader._setup_for_recursionr.   )r~   r   r   r   r   r  r7   r7   r7   r8   r    s    r  r   c                      s8   e Zd ZdZ fddZdd Zdd Zdd	 Z  ZS )
ImmediateLoaderr  c                   re   r.   rf   rg   rh   r  ri   rl   r7   r8   rg   L  rn   zImmediateLoader.__init__c                 C     | j d| d S N)r   r   rh   r   r   r   r7   r7   r8   r   P     z$ImmediateLoader.init_class_attributec	                 C  s^   |  |||| j\}	}
}}|
stjtjB }ntjtjB }tj	||	| j
| j| j||||	 d S r.   )r  r  r   PASSIVE_NO_FETCH_RELATEDr   r=  r   r   r  callable_for_pathrJ   rh   _load_for_path)rj   rz   rq   rr   rs   rY   r{   rt   r|   r  
run_loaderrJ  r  flagsr7   r7   r8   r}   U  s(   z$ImmediateLoader.create_row_processorc	                 C  s   |rt |jj}	|| f|	_| }
|	f}nd }	|}
d}| j}| jd}|D ](\}}|j	}|s5||vrP|j
||||
|d}|ttjfvrP||||| q(d S )Nr7   r  )rH  rI  rJ  )r!   rr   r   _recurserz   _truncate_recursiver1   rh   r   rB  r   r   r   r   get_implset_committed_value)rj   rz   rr   states	load_onlyrs   r  r  rJ  new_optrI  rH  r1   
lazyloaderr   	overwriter   r#  r7   r7   r8   r  {  s>   
zImmediateLoader._load_for_path)	r~   r   r   r   rg   r   r}   r  r   r7   r7   rl   r8   r  H  s    &r  subqueryc                      s   e Zd ZdZ fddZdd Zdd Zdd	 Zd
d Zdd Z	dd Z
dd ZG dd dZdd Zdd Zdd Zdd Z  ZS )SubqueryLoaderr  c                   re   r.   r  ri   rl   r7   r8   rg     rn   zSubqueryLoader.__init__c                 C  r  r  r  r   r7   r7   r8   r     r  z#SubqueryLoader.init_class_attributec                   s   |}|j }t|d }| j|r!| j|d u r!| j| j }n||d  }|rK|j| jj| t	|t	 }|rJt
j|| d  7 n||j}	 fdd|	D }
 |
|fS )Nr   r   c                   s&   g | ]}t jd  j j| jqS r   )getattrrr   r   r   r1   r   leftmost_mappernew_subq_pathr7   r8   r     s    

z0SubqueryLoader._get_leftmost.<locals>.<listcomp>)rr   r/   _class_to_mapperrJ   isarh   	_entitiesentity_zerorv  r  r   r  coercelocal_columns)rj   orig_query_entity_index	subq_pathcurrent_compile_stateis_rootgiven_subq_pathsubq_mapperleftmost_prop
additionalleftmost_colsleftmost_attrr7   r  r8   _get_leftmost  s4   
zSubqueryLoader._get_leftmostc                 C  s*  |  d }tjtj}|j|j |}|js0d|_|j	j
|gdd t||dD R   |dd |D | }	|	|_|j}
|
du rKd|_n|
d u rfdd |	D D ]}t|	|jsed|_ nqV|jsld	|_|jdu r|jrt|	|j}|r||	|  |t }tj||dd
}|S )NFc                 S  s    h | ]}|d  dur|d  qS )r   Nr7   )r   entr7   r7   r8   	<setcomp>
  s
    z?SubqueryLoader._generate_from_original_query.<locals>.<setcomp>)rp   c                 S  s   g | ]}t jt jj|qS r7   )r(   	coercionsexpectrolesColumnsClauseRole)r   r6  r7   r7   r8   r   !      z@SubqueryLoader._generate_from_original_query.<locals>.<listcomp>Tc                 S  s   h | ]}|j qS r7   )tabler   r7   r7   r8   r  0  s    r7   use_mapper_path)_clone	correlater   Query__new____dict__update	_from_obj_enable_assertionsro  non_generativer   _adapt_col_list_get_current_adapterrU  distinct_target_key	_distinctr   rA  r   _has_row_limiting_clauserx  r   expand_column_list_from_order_by_set_entitiesset_label_styler*   r  r/   r#   )rj   orig_compile_state
orig_queryr  r  leftmost_relationshiporig_entityqq2target_colsr  tto_addembed_q
left_aliasr7   r7   r8   _generate_from_original_query  sX   z,SubqueryLoader._generate_from_original_queryc                   s   g }t | }t|D ]'\}\}}|dkr)||d  d j}||r&|n|}	n|}	||	|jf qt|dk r=| nt|d d }
|
j	rL|
j
 ntj|
j
dd jj} fdd|D }|| fS )	Nr   r   r$   r  Tr  c                   s    g | ]}t  jj| jqS r7   )r  rJ   r   r1   r   parent_aliasrj   r7   r8   r   u  s    z2SubqueryLoader._prep_for_joins.<locals>.<listcomp>)r  pairs	enumeraterY   r  rH   r1   r  r&   r   r   r/   r#   rh   r  )rj   r  r  to_joinr	  irY   r4   prev_mapper	to_appendr  
local_cols
local_attrr7   r  r8   _prep_for_joinsL  s*   
zSubqueryLoader._prep_for_joinsc                 C  s.  t |}|dkrt||d d |g}nu|dkr3t||d d |t||d d |g}nX|dkrdd |dd D }g }|rl|d}	t|	d |	d }
|r`|
|d d }
n|
|}
||
 |sFt||d d |d jg| t||d d |g }|D ]}
||
}q|S )Nr   r   r$   r  c                 S  s:   g | ]}t |d  jst|d  n|d  j|d fqS )r   r   )r&   r   r/   r#   r   )r   itemr7   r7   r8   r     s    	z/SubqueryLoader._apply_joins.<locals>.<listcomp>)r  r  of_typepoprH   rJ   join)rj   r  r  r  r  effective_entityltjmiddleinnerr  attrr7   r7   r8   _apply_joins{  sF   
	



zSubqueryLoader._apply_joinsc           	      C  sB   |j }|r|jr|t| j||f7 }||}|j| }|S r.   )ru  r   r/   rt  r   r  _with_current_pathoptions)	rj   rz   r  r  rewritten_pathr  r  rs   new_optionsr7   r7   r8   _setup_options  s   

	
zSubqueryLoader._setup_optionsc                   s&    j jr fdd}|| j }|S )Nc                       |  j tt jj7  _ d S r.   eager_order_bytupler   r  rh   r  rb  r   r7   r8   _setup_outermost_orderby     zISubqueryLoader._setup_outermost_orderby.<locals>._setup_outermost_orderby)rh   r  _add_context_option)rj   r  r&  r7   r   r8   r&    s   z'SubqueryLoader._setup_outermost_orderbyc                   @  s4   e Zd ZdZdZdd Zdd Zdd Zd	d
 ZdS )zSubqueryLoader._SubqCollectionszGiven a :class:`_query.Query` used to emit the "subquery load",
        provide a load interface that executes the query at the
        first moment a value is needed.

        r   rJ  r\  r&  subq_datac                 C  s4   |j | _ |j| _|j| _|jpi | _|| _d | _d S r.   r)  )rj   rz   r*  r7   r7   r8   rg     s   
z(SubqueryLoader._SubqCollections.__init__c                 C  s    | j d u r	|   | j ||S r.   )r+  _loadrQ   )rj   r1   defaultr7   r7   r8   rQ     s   
z#SubqueryLoader._SubqCollections.getc                 C  s   t t| _| j}|jd u sJ || j}| jjr|	 }t|
| j
}t|dd D ]\}}| j| dd |D  q.d S )Nc                 S  s   | dd  S )Nr   r7   xr7   r7   r8   r9     s    z7SubqueryLoader._SubqCollections._load.<locals>.<lambda>c                 s      | ]}|d  V  qdS )r   Nr7   r   vvr7   r7   r8   r         z8SubqueryLoader._SubqCollections._load.<locals>.<genexpr>)collectionsdefaultdictr  r+  r*  r   with_sessionr\  _populate_existingr  r&  	itertoolsgroupbyextend)rj   r  rowsr   vr7   r7   r8   r,     s   z%SubqueryLoader._SubqCollections._loadc                 C  s   | j d u r|   d S d S r.   )r+  r,  )rj   r   r   r   r7   r7   r8   r    s   
z&SubqueryLoader._SubqCollections.loaderN)	r~   r   r   r   r   rg   rQ   r,  r  r7   r7   r7   r8   _SubqCollections  s    	
r=  c              	   C  s  |j }|jjr|jjrd S |j|}d|_|| j }||j	dd }	|	d ur*|	}
n| j
}
|jjdtjjtjjf\}}|tjju }|| }|| }|jjdtf|j}t|d}|jrq|jjd u rntd| |f  |j}|j|dd}| ||||\}}}}| ||||||}t|
}|jj|jdtf|d||fi|_|d}|  ||\}}}|j!| }| "|||||
}| #||||||
|}| $|}|S )	NTpath_with_polymorphic)subquery_pathsNr  ormzsubqueryloader for "%s" must invoke lambda callable at %r in order to produce a new query, decreasing the efficiency of caching for this statement.  Consider using selectinload() for more effective full-lambda cachingF)legacy)%rp   r   _enable_eagerloads_for_refresh_stater  indexloaders_require_bufferingrh   rQ   r   r   r   rr  r/   r  r  r  r   _get_plugin_class_for_plugin_is_lambda_elementr\  rY  r   r  	_resolved_create_entities_collectionr  r  r  r{  rJ  _set_enable_single_critr  add_columnsr  r   r&  )rj   rz   rq   rr   r   rs   rt   rp   r  with_poly_entityr  r  r  r  r  compile_state_clsr  r  r  r  r  r  r  r  r  r7   r7   r8   _setup_query_from_rowproc  s   	

	






	z(SubqueryLoader._setup_query_from_rowprocc	              
     sf  |j r| |||||| |S | |||| j\}	}
}	}	|
s d S t|jts(d S | jj| j	 j
js8td|  t|dkrIt|j| jsHd S nt|d | jsTd S | ||||d | }|d u rfd S |jd u smJ || j }| jj}||jd}|d u r| ||}||jd|  r fdd|D }| jr| ||||| d S | ||||| d S )NJ'%s' does not support object population - eager loading cannot be applied.r   r  r4  c                      g | ]} j | qS r7   rc   r   rt   r7   r8   r     r-  z7SubqueryLoader.create_row_processor.<locals>.<listcomp>)r   r   r  r  r   rp   r   rJ   rR   r1   implsupports_populationr   r   r  r/   _entity_isar  rN  r   rh   r  rQ   r   r=  r   r<   _create_collection_loader_create_scalar_loader)rj   rz   rq   rr   rs   rY   r{   rt   r|   _r  r*  r  r4  r7   rQ  r8   r}     sp   
		


z#SubqueryLoader.create_row_processorc                   t   | | fddfdd}|d jf |d j|f |jr8|d j jf d S d S )Nc                   s*     |d}| j| || d S )Nr7   )rQ   r  r1   r  )r   r   r   
collectionr4  rj   tuple_getterr7   r8   load_collection_from_subq  s   zKSubqueryLoader._create_collection_loader.<locals>.load_collection_from_subqc                      j |vr | || d S d S r.   r  r   )r\  rj   r7   r8   &load_collection_from_subq_existing_row     
zXSubqueryLoader._create_collection_loader.<locals>.load_collection_from_subq_existing_rowr   existingeager_tuple_getterrH   r1   invoke_all_eagersr  )rj   rz   r{   r4  r  r|   r^  r7   )r4  r\  rj   r[  r8   rU    s   
z(SubqueryLoader._create_collection_loaderc                   rX  )Nc                   sL     |d}t|dkrtd  |d }| j| || d S )Nr.   r   LMultiple rows returned with uselist=False for eagerly-loaded attribute '%s' r   )rQ   r  r   r  r  r1   r  )r   r   r   rY  scalarrZ  r7   r8   load_scalar_from_subq  s   zCSubqueryLoader._create_scalar_loader.<locals>.load_scalar_from_subqc                   r]  r.   r  r   )rg  rj   r7   r8   "load_scalar_from_subq_existing_row  r_  zPSubqueryLoader._create_scalar_loader.<locals>.load_scalar_from_subq_existing_rowr   r`  ra  rb  )rj   rz   r{   r4  r  r|   rh  r7   )r4  rg  rj   r[  r8   rV    s   
z$SubqueryLoader._create_scalar_loader)r~   r   r   r   rg   r   r  r  r  r  r   r&  r=  rN  r}   rU  rV  r   r7   r7   rl   r8   r    s     1d/6"4 	Yr  joinedc                      s   e Zd ZdZdZ fddZdd Z			dd	d
Zdd Zdd Z	dd Z
dd Z	dddZdd Zdd Zdd Zdd Z  ZS )JoinedLoaderz[Provide loading behavior for a :class:`.Relationship`
    using joined eager loading.

    r  c                   re   r.   r  ri   rl   r7   r8   rg   4  rn   zJoinedLoader.__init__c                 C  r  r  r  r   r7   r7   r8   r   8  r  z!JoinedLoader.init_class_attributeNFc	                 K  sP  |j jsdS | jrd|_|| j }d}
|r| |||jnd}|dur0| |||||\}}}n0||jdsM| j	rE|j
d | j	krDdS n|| jrMdS | ||||||||\}}}}d|_||jdd}|durrt|j}
nd}
|| j }tj|| j|||||
| j|d	 tj|j}|r|durtdd	d
 |jD |_dS dS )z@Add a left outer join to the statement that's being constructed.NTFr  r$   r>  )with_polymorphicparentmapperchained_from_outerjoinzDetected unaliased columns when generating joined load.  Make sure to use aliased=True or flat=True when using joined loading with with_polymorphic().c                 S  s   g | ]}|d ur|qS r.   r7   r   r7   r7   r8   r     s    z,JoinedLoader.setup_query.<locals>.<listcomp>)r   rB  r<   multi_row_eager_loadersrh   _init_user_defined_eager_procr   $_setup_query_on_user_defined_adapterr  r  r  r  rY   _generate_row_adaptereager_adding_joinsrQ   r&   with_polymorphic_mappersr   r   _setup_entity_queryr   NONE_SETr   secondary_columnsr   r   )rj   rp   rq   rr   rs   rt   ru   rl  rm  rv   rk  user_defined_adapterclausesadd_to_collectionrL  	has_nonesr7   r7   r8   rx   =  s   

zJoinedLoader.setup_queryc           
      C  s   d|j vrdS |jj}||jdd}|dur|S |j d }|dd  \}}|d urEt|tr5|j|}t	j
t	jj|j||jjdd}n#||jdr`||jd}	t	j
t	jj|	|jjd}n|j|jd }||d| |S )Neager_from_aliasF user_defined_eager_row_processor)
selectabler  limit_on_entityr>  )r  )r   rr   rJ   rQ   r   r   r   r   aliasr/   
ORMAdapter_TraceAdaptRoleJOINEDLOAD_USER_DEFINED_ALIASrY   r  r   JOINEDLOAD_PATH_WITH_POLYMORPHIC_polymorphic_adaptersr   )
rj   rs   rp   target_attributesrr   rt   r  root_mapperr4   rL  r7   r7   r8   ro    sP   


z*JoinedLoader._init_user_defined_eager_procc                 C  sV   | |}|r|r||}||jd| n|r#|}||jd| |j}|||fS )Nr|  )_get_entity_clauseswrapr   r   primary_columns)rj   rz   r   rr   rt   rw  ry  r7   r7   r8   rp    s"   


z1JoinedLoader._setup_query_on_user_defined_adapterc	                 C  s  | |jdd }	|	r|	}
n"t| j}|jr|j}nd }tj| j|d ur)|j	ddnd ddd}
t|
}|j
d| ftjtjj|| jjdddd}|jsLJ |d urY|j d| jjn| jj}|sad}|j| j||||||||rr|jnd	f	 |j}||jd
| ||||fS )Nr>  T)flat)r  r  r  joinedloader_ormadapterF)r  adapt_requiredallow_label_resolveanonymize_labels	innerjoinr7   eager_row_processor)rQ   r   r&   r   r   r~  r/   r#   rY   _anonymous_fromclause_memor  r  JOINEDLOAD_MEMOIZED_ADAPTERr  r   rh   r  create_eager_joinsrH   _create_eager_joinr   rv  r   )rj   rp   r   rr   rs   rt   ru   rl  rm  rL  to_adaptinspalt_selectableto_adapt_insprx  r  ry  r7   r7   r8   rq  	  sd   

z"JoinedLoader._generate_row_adapterc
              	     sD  |d u r|j }
n|}
|jo|j}d }||jvr?|s?|jr?t|j|j}t|dkr/t	
d|r?|j|d  }|d |}}|d u rI||j}}|j||}|rt|ddrq|j|
 jrc|
n j}t|j j j}nttj j|jdd j j}n j}|jsJ | p| p|dkp|jj}|	}|jd	 j fd
}|r|t fdd|D 7 }|rtj||j|| p|jjp|ot|tj j j |d}n	  |||||}||j|< |j|_!|st" jj#D ]}|
j$j%&|r|r|j'| }|(||j) q jj*r | j+t|j,-t./ jj*7  _+d S d S )Nr   zCan't identify which query entity in which to joined eager load from.   Please use an exact match when specifying the join path.r   r   FTr  unnestedadditional_entity_criteriar7   c                 3  s"    | ]}|j r| jV  qd S r.   )propagate_to_loaders_resolve_where_criteriarY   )r   aer   r7   r8   r   	  s    

z2JoinedLoader._create_eager_join.<locals>.<genexpr>isouter
_left_memo_right_memor   )0rY   rn  _should_nest_selectableeager_joinsfrom_clausesr  #find_left_clause_that_matches_givenr~  r  r   r   
setdefaultr  aliased_insp_entity_for_mapperr  rJ   r   r1   rh   r/   r#   r   r  represents_outer_joinglobal_attributesrQ   r$  _ORMJoinr   r(   Join_splice_nested_inner_joinstop_on_find_columnsprimaryjoinpersist_selectablerw   contains_columnrd   ro   r  r  r#  _target_adaptercopy_and_processr   r  )rj   rp   rq   rr   rt   rl  rx  r  rm  rG  r   should_nest_selectablequery_entity_keyindexesclausedefault_towraptowrapefmonclauseattach_on_outsideextra_join_criteriar  	eagerjoinr   r7   r   r8   r  U	  s   


	






zJoinedLoader._create_eager_joinc           
   	   C  s<  |du rt |tjsJ n1t |tjjr| ||j||||S t |tjs>|d |r<tj||j	|d||d j
|dS d S | ||j||||j}|d u rkd}| ||j||||j}|d u rj|dushJ dd S nd}|r|js{|js{||}	ntj|j||j|j|jd}	ntj||j|j|j|jd}	|j|	_|	S )	NFr}  r  r  z9assertion failed attempting to produce joined eager loadsT)r  r  )r  r  )r   r/   r  r(   r~  FromGroupingr  elementr  r  rY   rightr  leftr  r  _splice_into_centerr  r  )
rj   rr   join_objrx  r  rG  splicingtarget_joinright_splicer  r7   r7   r8   r  	  s   

z&JoinedLoader._splice_nested_inner_joinc           	      C  s   |j }|r| |||jnd}|dur(|}|jr!|r!||j}n|jr'|j}n||jd}|d u r5dS | j||r>|S dS )NFr  )rp   ro  r   compound_eager_adapterr  rQ   rY   _result_has_identity_key)	rj   rz   r{   rt   rr   rs   rp   rw  	decoratorr7   r7   r8   _create_eager_adapterM
  s0   
z"JoinedLoader._create_eager_adapterc	              
   C  s   | j j| j jjstd|  | jrd|_|| j	 }	| 
||||	|}
|
durP| j}t|| j|||	| j |
}| jsF| |||| d S | |||| d S | j	d|||||||| d S )NrO  TFr  )rJ   rR   r1   rR  rS  r   r   r<   loaders_require_uniquingrh   r  r   _instance_processorrY   r   rV  rU  r   r}   )rj   rz   rq   rr   rs   rY   r{   rt   r|   our_patheager_adapterr1   	_instancer7   r7   r8   r}   q
  sP   

	z!JoinedLoader.create_row_processorc                   sv    fdd} fdd} fdd}|d  | j|f |d  | j|f jr9|d	  | j|f d S d S )
Nc                   sJ   t | |}t|d}|j | f<  |}|d ur#|| d S d S Nappend_without_eventr   r   r   UniqueAppenderrH   )r   r   r   rY  result_listinstr  rz   r1   r7   r8   #load_collection_from_joined_new_row
  s   zSJoinedLoader._create_collection_loader.<locals>.load_collection_from_joined_new_rowc                   sh   | fj v rj | f }nt | |}t|d}|j | f<  |}|d ur2|| d S d S r  r  )r   r   r   r  rY  r  r  r7   r8   (load_collection_from_joined_existing_row
  s   zXJoinedLoader._create_collection_loader.<locals>.load_collection_from_joined_existing_rowc                       | d S r.   r7   r   r  r7   r8    load_collection_from_joined_exec
     zPJoinedLoader._create_collection_loader.<locals>.load_collection_from_joined_execr   r`  ra  rH   r1   rd  )rj   rz   r1   r  r|   r  r  r  r7   r  r8   rU  
  s   z&JoinedLoader._create_collection_loaderc                   st    fdd} fdd} fdd}|d  j|f |d  j|f |jr8|d	  j|f d S d S )
Nc                   s    ||< d S r.   r7   r   )r  r1   r7   r8   load_scalar_from_joined_new_row
  s   zKJoinedLoader._create_scalar_loader.<locals>.load_scalar_from_joined_new_rowc                   s>    |}|v r|| urt d  d S d S ||< d S )Nre  )r   r  )r   r   r   r`  r  r1   rj   r7   r8   $load_scalar_from_joined_existing_row
  s   
zPJoinedLoader._create_scalar_loader.<locals>.load_scalar_from_joined_existing_rowc                   r  r.   r7   r   r  r7   r8   load_scalar_from_joined_exec
  r  zHJoinedLoader._create_scalar_loader.<locals>.load_scalar_from_joined_execr   r`  ra  r  )rj   rz   r1   r  r|   r  r  r  r7   r  r8   rV  
  s   z"JoinedLoader._create_scalar_loader)NNFr   )r~   r   r   r   r   rg   r   rx   ro  rp  rq  r  r  r  r}   rU  rV  r   r7   r7   rl   r8   rj  )  s(    
w9O !
Y$:/rj  selectinc                      st   e Zd ZdZedg dZdZ fddZdd Z	d	d
 Z
dd Zdd Zdd Zdd Zdd Zdd Z  ZS )SelectInLoader)r  	omit_join_parent_alias_query_info_fallback_query_info	queryinfo)load_only_childload_with_joinin_exprpk_colszero_idxchild_lookup_colsi  c                   s   t  || | jj| _| jjtju }| jjd ur| jj| _n| jd}|r,|j	| _n| j
jd j|jdd| j
jd| _| jrU|rN|  | _|  | _d S |  | _d S |  | _d S )Nr  r   TFr  )rf   rg   rh   r  rV   r
   r  r  r   r   rJ   r  r   r   r  _init_for_omit_join_m2or  _init_for_joinr  _init_for_omit_join)rj   rJ   rk   is_m2or  rl   r7   r8   rg     s,   


zSelectInLoader.__init__c                   s   t jjj   fddt D   fddjjD  }}t|dkr1t	j
| }d}n|d }d}dd|||d S )	Nc                 3  s2    | ]}j j|d D ]	}| | fV  qqdS )r7   N)rJ   r  rQ   )r   r   equivpk_to_fkrj   r7   r8   r   ;  s    
z5SelectInLoader._init_for_omit_join.<locals>.<genexpr>c                   s   g | ]
}| v r | qS r7   r7   r   r   )r  r7   r8   r   A  s    z6SelectInLoader._init_for_omit_join.<locals>.<listcomp>r   Fr   T)rB  rh   r  local_remote_pairsr  r  rJ   r   r  r(   tuple_
query_info)rj   r  fk_colsr  r  r7   r  r8   r  7  s   


z"SelectInLoader._init_for_omit_joinc                   sb   | j j}t|dkrtj| }d}n|d }d}| jd  fdd|D }| dd||||S )Nr   Fr   Tr  c                   rP  r7   rO  rP  r  r7   r8   r   W  r-  z:SelectInLoader._init_for_omit_join_m2o.<locals>.<listcomp>)rY   r   r  r(   r  rh   r   r  )rj   r  r  r  lookup_colsr7   r  r8   r  M  s   
z&SelectInLoader._init_for_omit_join_m2oc                   sj   t | jj| _t| j  fdd| jjD }t|dkr%tj| }d}n|d }d}| 	dd|||d S )Nc                      g | ]}  |qS r7   _adapt_elementr  pa_inspr7   r8   r   `      
z1SelectInLoader._init_for_join.<locals>.<listcomp>r   Fr   T)
r#   rJ   rU   r  r&   r   r  r(   r  r  )rj   r  r  r  r7   r  r8   r  ]  s   


zSelectInLoader._init_for_joinc                 C  r  r  r  r   r7   r7   r8   r   k  r  z#SelectInLoader.init_class_attributec	                 C  s   |j r| ||||||||S | j|||| jd\}	}
}}|
s!d S | jj| j jjs1t	
d|  t|dkrBt|j| jsAd S nt|d | jsMd S |	}|| j }||jdd }|d uret|}n| j}tj||| j| j| j||||	 d S )Nr  rO  r   r  r>  )r   r   r  r  rJ   rR   r1   rR  rS  r   r   r  r/   rT  r  rh   rQ   r   r&   r   r   r  r  r  )rj   rz   rq   rr   rs   rY   r{   rt   r|   r  r  rJ  r  selectin_pathr  rL  r  r7   r7   r8   r}   p  sh   
	

z#SelectInLoader.create_row_processorc	                   s  |r	j |vr	d S j}	|	jrRtt}
g }j|D ]6\}jtfdd|	j	D }t
j|v r:j}	 nd |vrI|
| |f q||f q|	js\dd |D }
|	j}|	j}|	jsvjrvfdd|D }|}tjdg|R  }| } }tj||gttjddd	}|	js|}n|jtjjj  }|!|"t#$d
} j%j&}|j }| j'u r|j(}n|j(} j'j(} fddt)||D }|r|j*r|t+|, f7 }|d ur|- }|j.| }|/d|i} j0r|j1dd}jj2r=|	js0jj2}jr*fdd|D }|j2| }nfdd}|3|j}|	jrM4|
||	| | d S 5|
|	| | d S )Nc                 3  s$    | ]} j |tjd V  qdS )rN  N)r4  r   PASSIVE_NO_FETCH)r   lk)rY   r   
state_dictr7   r8   r     s    
z0SelectInLoader._load_for_path.<locals>.<genexpr>c                 S  s$   g | ]\}}|j d  ||j|fqS )r   )r1   rB  )r   r   r  r7   r7   r8   r     s    z1SelectInLoader._load_for_path.<locals>.<listcomp>c                   r  r7   r  r  r  r7   r8   r     r  rQ  r@  )compile_state_pluginplugin_subject)rU  rW  r   rV  primary_keysc                   s   g | ]
\}}|  |qS r7   )'_adapt_cached_option_to_uncached_option)r   orig_optuncached_opt)rz   r7   r8   r   T  s    r[  T)r  c                   r  r7   r  r
  r  r7   r8   r   r  s    c                   r!  r.   r"  r%  r   r7   r8   r&  y  r'  z?SelectInLoader._load_for_path.<locals>._setup_outermost_orderby)6r1   r  r  r4  r5  r  rJ   rB  r$  r  r   r   r  rH   r  r  r  r   r  r/   Bundlerj  r+   rk  r*   r   rl  ro  r  r  r  rh   r  filterin_r(   r  rp   select_statementr   ru  zipr   rt  r  r  r  _update_compile_optionsr  rJ  r  r(  _load_via_child_load_via_parent)rj   rz   rr   r  r  r  rs   r  rJ  r  
our_statesnone_statesr  related_identr  r  
bundle_ent
bundle_sql
entity_sqlr  r  r  r  cached_optionsuncached_optionsr#  r&  r7   )rz   r  rY   rj   r   r
  r8   r    s   








	


	
zSelectInLoader._load_for_pathc                   s   | j }t|}|r_|d| j }	|| jd  }dd |jj|d fdd|	D i|d D }
|	D ]*}|
|d }|| D ]\}}}|sK| j|v rKq>|| j	|||sW|n|g q>q2|s	|D ]\}}}|sn| j|v rnqa|| j	||d  qad S )Nr   c                 S  s   i | ]\}}||qS r7   r7   )r   r   r<  r7   r7   r8   
<dictcomp>  s    z2SelectInLoader._load_via_child.<locals>.<dictcomp>r  c                   s   g | ]} j r|d  n|qS r  r  )r   r1   r  r7   r8   r     r  z2SelectInLoader._load_via_child.<locals>.<listcomp>r&  rJ  )
r<   sorted
_chunksizer   r  r  rQ   r1   r  r  )rj   r  r  r  r  rz   rJ  r<   our_keyschunkdatar1   related_objr   r   r  r7   r$  r8   r    sB   		"zSelectInLoader._load_via_childc                   s$  | j }|rdnd }|r|d| j }|| jd  } fdd|D }	tt}
t|jj|d|	i|d	 dd D ]\}}|
| 
d	d
 |D  q:|D ]>\}}}}|s[| j|v r[qM|
||}|s|rt|dkrrtd|   || j|||d  qM|| j||| qM|sd S d S )Nr7   r   c                   s&   g | ]\}}}} j r|d  n|qS r  r#  )r   r1   r   r
  r  r$  r7   r8   r     s    
z3SelectInLoader._load_via_parent.<locals>.<listcomp>r  r%  c                 S  s   | d S r   r7   r.  r7   r7   r8   r9     s    z1SelectInLoader._load_via_parent.<locals>.<lambda>c                 s  r0  )r   Nr7   r1  r7   r7   r8   r     r3  z2SelectInLoader._load_via_parent.<locals>.<genexpr>r   re  )r<   r'  r4  r5  r  r8  r9  r   r  r  r:  r1   rQ   r  r   r  r  r  )rj   r  r  r  rz   rJ  r<   _empty_resultr)  r  r*  r   r<  r1   r   r
  r  rY  r7   r$  r8   r    sJ   


zSelectInLoader._load_via_parent)r~   r   r   r   r4  
namedtupler  r'  rg   r  r  r  r   r}   r  r  r  r   r7   r7   rl   r8   r     s"    M T7r  c                   sT   fdd  fdd} fdd}t j| d|dddd	 t j| d
|dddd	 d S )Nc                   sT   |d ur(|j  j kr(|t|}|r(||ur(tjdt|| j f dd|S )NzsInstance %s is already associated with an instance of %s via its %s attribute, and is only allowed a single parent.bbf1)code)	r1   	hasparentr   instance_stater   r   r/   instance_strrU   )r   r#  oldvalue	initiatorr0  )r4   r7   r8   	_do_check  s   z*single_parent_validator.<locals>._do_checkc                   s    | |d |S r.   r7   )r   r#  r4  r5  r7   r8   rH        z'single_parent_validator.<locals>.appendc                   s    | |||S r.   r7   )r   r#  r3  r4  r6  r7   r8   set_
  r7  z%single_parent_validator.<locals>.set_rH   T)rawretvalrC   r   )r%   listen)r3   r4   rH   r8  r7   )r5  r4   r8   rI     s   rI   )NNNNFN)Qr   
__future__r   r4  r8  typingr   r   r   r    r   r	   r   r
   r   r   r   r   r   r   r   r/   baser   r   r   r   r   r   r   rz   r   r   r   r   r   r   r   r   r   r    re  r!   r"   r#   r%   r   r&   r'   r(   r  r)   sql.selectabler*   r+   r,   sql.elementsr-   r_   ColumnPropertystrategy_forrb   class_loggerr   r   r   r   r   r   r   MemoizedSlots
Identifiedr   r  r  r  r  rj  r  rI   r7   r7   r7   r8   <module>   s   	
Q+ZW 0%
&

    +4L`          Y   z