Ë
    q^ëi�  ã                   óv   — d Z ddlmZ ddlmZmZ  G d„ de«      Z G d„ d«      Z G d„ d	«      Z	 G d
„ d«      Z
y)z]
Useful auxiliary data structures for query construction. Not useful outside
the SQL domain.
é    )ÚFullResultSet)ÚINNERÚLOUTERc                   ó   — e Zd ZdZd„ Zy)Ú	MultiJoinz¤
    Used by join construction code to indicate the point at which a
    multi-valued join was attempted (if the caller wants to treat that
    exceptionally).
    c                 ó    — || _         || _        y ©N)ÚlevelÚnames_with_path)ÚselfÚ	names_posÚpath_with_namess      úT/var/www/eb/venv/lib/python3.12/site-packages/django/db/models/sql/datastructures.pyÚ__init__zMultiJoin.__init__   s   € ØˆŒ
à.ˆÕó    N)Ú__name__Ú
__module__Ú__qualname__Ú__doc__r   © r   r   r   r   	   s   „ ñó/r   r   c                   ó   — e Zd Zy)ÚEmptyN)r   r   r   r   r   r   r   r      s   „ Ør   r   c                   óT   — e Zd ZdZ	 dd„Zd„ Zd„ Zed„ «       Zd„ Z	d„ Z
d	„ Zd
„ Zd„ Zy)ÚJoinaá  
    Used by sql.Query and sql.SQLCompiler to generate JOIN clauses into the
    FROM entry. For example, the SQL generated could be
        LEFT OUTER JOIN "sometable" T1
        ON ("othertable"."sometable_id" = "sometable"."id")

    This class is primarily used in Query.alias_map. All entries in alias_map
    must be Join compatible by providing the following attributes and methods:
        - table_name (string)
        - table_alias (possible alias for the table, can be None)
        - join_type (can be None for those entries that aren't joined from
          anything)
        - parent_alias (which table is this join's parent, can be None similarly
          to join_type)
        - as_sql()
        - relabeled_clone()
    Nc                 ó�   — || _         || _        || _        || _        |j	                  «       | _        || _        || _        || _        y r	   )	Ú
table_nameÚparent_aliasÚtable_aliasÚ	join_typeÚget_joining_columnsÚ	join_colsÚ
join_fieldÚnullableÚfiltered_relation)r   r   r   r   r   r"   r#   r$   s           r   r   zJoin.__init__-   sJ   € ð %ˆŒØ(ˆÔà&ˆÔà"ˆŒð $×7Ñ7Ó9ˆŒà$ˆŒà ˆŒØ!2ˆÕr   c                 óÜ  — g }g }|j                   }|j                  j                  }| j                  D ]M  \  }}|j	                   || j
                  «      ›d ||«      ›d || j                  «      ›d ||«      ›�«       ŒO | j                  j                  | j                  | j
                  «      }	|	r9|j                  |	«      \  }
}|j	                  d|
z  «       |j                  |«       | j                  rD	 |j                  | j                  «      \  }
}|j	                  d|
z  «       |j                  |«       |s9t        | j                  d| j                  «      }t        d|j                  z  «      ‚dj!                  |«      }| j                  | j"                  k(  rdnd| j                  z  }| j$                  ›d	 || j"                  «      ›|›d
|›d�}||fS # t        $ r Y Œ¬w xY w)z™
        Generate the full
           LEFT OUTER JOIN sometable ON sometable.somecol = othertable.othercol, params
        clause for this join.
        ú.z = z(%s)ÚfieldzaJoin generated an empty ON clause. %s did not yield either joining columns or extra restrictions.z AND Ú ú %sú z ON (ú))Úquote_name_unless_aliasÚopsÚ
quote_namer!   Úappendr   r   r"   Úget_extra_restrictionÚcompileÚextendr$   r   ÚgetattrÚ
ValueErrorÚ	__class__Újoinr   r   )r   ÚcompilerÚ
connectionÚjoin_conditionsÚparamsÚqnÚqn2Úlhs_colÚrhs_colÚ
extra_condÚ	extra_sqlÚextra_paramsÚdeclared_fieldÚon_clause_sqlÚ	alias_strÚsqls                   r   Úas_sqlzJoin.as_sqlG   sÝ  € ð ˆØˆØ×-Ñ-ˆØ�n‰n×'Ñ'ˆð !%§¡ò 		ÑˆG�WØ×"Ñ"ñ �t×(Ñ(Õ)Ù˜•LÙ�t×'Ñ'Õ(Ù˜”Lðõð		ð —_‘_×:Ñ:Ø×Ñ˜d×/Ñ/ó
ˆ
ñ Ø&.×&6Ñ&6°zÓ&BÑ#ˆI�|Ø×"Ñ" 6¨IÑ#5Ô6Ø�M‰M˜,Ô'Ø×!Ò!ð,Ø*2×*:Ñ*:¸4×;QÑ;QÓ*RÑ'�	˜<ð  ×&Ñ& v°	Ñ'9Ô:Ø—‘˜lÔ+Ùä$ T§_¡_°g¸t¿¹ÓOˆNÜð9Ø;I×;SÑ;SñTóð ð  Ÿ™ _Ó5ˆà×"Ñ" d§o¡oÒ5‰B¸EÀD×DTÑDTÑ<Tð 	ð �N‹NÙˆt�‰ÔÚÚð	
ˆð �Fˆ{Ðøô- !ò Ùðús   Ã;G Ç	G+Ç*G+c           	      óè  — |j                  | j                  | j                  «      }|j                  | j                  | j                  «      }| j                  �T| j                  j	                  «       }| j                  j
                  D �cg c]  }|j                  ||«      ‘Œ c}|_        nd }| j                  | j                  ||| j                  | j                  | j                  |¬«      S c c}w )N)r$   )Úgetr   r   r$   ÚcloneÚpathr5   r   r   r"   r#   )r   Ú
change_mapÚnew_parent_aliasÚnew_table_aliasr$   Úps         r   Úrelabeled_clonezJoin.relabeled_clone‚   sÔ   € Ø%Ÿ>™>¨$×*;Ñ*;¸T×=NÑ=NÓOÐØ$Ÿ.™.¨×)9Ñ)9¸4×;KÑ;KÓLˆØ×!Ñ!Ð-Ø $× 6Ñ 6× <Ñ <Ó >Ðà.2×.DÑ.D×.IÑ.Iö&Ø)*�
—‘˜q !Õ$ò&ÐÕ"ð !%ÐØ�~‰~Ø�O‰OØØØ�N‰NØ�O‰OØ�M‰MØ/ð ó 
ð 	
ùò&s   ÂC/c                 ót   — | j                   | j                  | j                  | j                  | j                  fS r	   )r5   r   r   r"   r$   ©r   s    r   ÚidentityzJoin.identity–   s5   € ð �N‰NØ�O‰OØ×ÑØ�O‰OØ×"Ñ"ð
ð 	
r   c                 ó`   — t        |t        «      st        S | j                  |j                  k(  S r	   )Ú
isinstancer   ÚNotImplementedrR   ©r   Úothers     r   Ú__eq__zJoin.__eq__    s%   € Ü˜%¤Ô&Ü!Ð!Ø�}‰} §¡Ñ.Ð.r   c                 ó,   — t        | j                  «      S r	   ©ÚhashrR   rQ   s    r   Ú__hash__zJoin.__hash__¥   ó   € Ü�D—M‘MÓ"Ð"r   c                 ó@   — | j                   d d |j                   d d k(  S )Néÿÿÿÿ©rR   rV   s     r   ÚequalszJoin.equals¨   s#   € à�}‰}˜S˜bÐ! U§^¡^°C°RÐ%8Ñ8Ð8r   c                 ó>   — | j                  i «      }t        |_        |S r	   )rO   r   r   ©r   Únews     r   ÚdemotezJoin.demote¬   s   € Ø×"Ñ" 2Ó&ˆÜˆŒØˆ
r   c                 ó>   — | j                  i «      }t        |_        |S r	   )rO   r   r   rc   s     r   ÚpromotezJoin.promote±   s   € Ø×"Ñ" 2Ó&ˆÜˆŒØˆ
r   r	   )r   r   r   r   r   rF   rO   ÚpropertyrR   rX   r\   ra   re   rg   r   r   r   r   r      sI   „ ñð4 ó3ò49òv
ð( ñ
ó ð
ò/ò
#ò9òó
r   r   c                   óP   — e Zd ZdZdZdZdZd„ Zd„ Zd„ Z	e
d„ «       Zd„ Zd„ Zd	„ Zy)
Ú	BaseTablezÂ
    The BaseTable class is used for base table references in FROM clause. For
    example, the SQL "foo" in
        SELECT * FROM "foo" WHERE somecond
    could be generated by this class.
    Nc                 ó    — || _         || _        y r	   )r   r   )r   r   Úaliass      r   r   zBaseTable.__init__Ã   s   € Ø$ˆŒØ ˆÕr   c                 óš   — | j                   | j                  k(  rdnd| j                   z  }|j                  | j                  «      }||z   g fS )Nr(   r)   )r   r   r,   )r   r7   r8   rD   Úbase_sqls        r   rF   zBaseTable.as_sqlÇ   sN   € à×"Ñ" d§o¡oÒ5‰B¸EÀD×DTÑDTÑ<Tð 	ð ×3Ñ3°D·O±OÓDˆØ˜)Ñ# RÐ'Ð'r   c                 ó‚   — | j                  | j                  |j                  | j                  | j                  «      «      S r	   )r5   r   rH   r   )r   rK   s     r   rO   zBaseTable.relabeled_cloneÎ   s3   € Ø�~‰~Ø�O‰O˜ZŸ^™^¨D×,<Ñ,<¸d×>NÑ>NÓOó
ð 	
r   c                 óH   — | j                   | j                  | j                  fS r	   )r5   r   r   rQ   s    r   rR   zBaseTable.identityÓ   s   € à�~‰~˜tŸ™°×0@Ñ0@Ð@Ð@r   c                 ó`   — t        |t        «      st        S | j                  |j                  k(  S r	   )rT   rj   rU   rR   rV   s     r   rX   zBaseTable.__eq__×   s%   € Ü˜%¤Ô+Ü!Ð!Ø�}‰} §¡Ñ.Ð.r   c                 ó,   — t        | j                  «      S r	   rZ   rQ   s    r   r\   zBaseTable.__hash__Ü   r]   r   c                 ó4   — | j                   |j                   k(  S r	   r`   rV   s     r   ra   zBaseTable.equalsß   s   € Ø�}‰} §¡Ñ.Ð.r   )r   r   r   r   r   r   r$   r   rF   rO   rh   rR   rX   r\   ra   r   r   r   rj   rj   ·   sM   „ ñð €IØ€LØÐò!ò(ò
ð
 ñAó ðAò/ò
#ó/r   rj   N)r   Údjango.core.exceptionsr   Údjango.db.models.sql.constantsr   r   Ú	Exceptionr   r   r   rj   r   r   r   ú<module>rw      s?   ðñõ 1ß 8ô
/�	ô 
/÷	ñ 	÷Zñ Z÷z)/ò )/r   