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    (S-gq<  ã                   @   sœ   d dl Z d dlmZmZ d dlmZ d dlmZ d dlm	Z	m
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d„ ƒZG dd„ deƒZdS )é    N)Ú	lru_cacheÚpartial)Úsettings)ÚBaseDatabaseOperations)ÚInetÚJsonbÚerrorsÚis_psycopg3Úmogrify©Úsplit_tzname_delta)Ú
OnConflict)ÚCast)Ú_lazy_re_compilec                 C   s   | d u rt jS tt j| d�S )N)Úcls)ÚjsonÚdumpsr   )Úencoder© r   úg/var/www/html/map_library/venv/lib/python3.10/site-packages/django/db/backends/postgresql/operations.pyÚget_json_dumps   s   r   c                       sÔ  e Zd ZdZdZeg d¢ƒZddddœZer+dd	l	m
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œZdd„ ZedƒZdd„ Zd^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!d"„Zd#d$„ Zd%d&„ Zd^d'd(„Zd)d*„ Zd+d,„ Z d-d.„ Z!d/d0„ Z"d1d2„ Z#d3d3d4œd5d6„Z$d7d8„ Z%d_d9d:„Z&d;d<„ Z'd=d>„ Z(d?d@„ Z)dAdB„ Z*er¦dCdD„ Z+ndEdD„ Z+dFdG„ Z,er´dHdI„ Z-dJdK„ Z.dLdM„ Z/dNdO„ Z0d`dPdQ„Z1dRdS„ Z2dTdU„ Z3‡ fdVdW„Z4d^‡ fdXdY„	Z5‡ fdZd[„Z6‡ fd\d]„Z7‡  Z8S )aÚDatabaseOperationsÚvarcharÚEXPLAIN)	ÚANALYZEÚBUFFERSÚCOSTSÚGENERIC_PLANÚSETTINGSÚSUMMARYÚTIMINGÚVERBOSEÚWALÚintegerÚbigintÚsmallint)Ú	AutoFieldÚBigAutoFieldÚSmallAutoFieldr   )Únumeric)ÚSmallIntegerFieldÚIntegerFieldÚBigIntegerFieldÚPositiveSmallIntegerFieldÚPositiveIntegerFieldÚPositiveBigIntegerFieldc                 C   s.   |  ¡ }|dv rd| | j¡ d¡d  S dS )N)ÚGenericIPAddressFieldÚIPAddressFieldÚ	TimeFieldÚ	UUIDFieldzCAST(%%s AS %s)ú(r   ú%s)Úget_internal_typeÚdb_typeÚ
connectionÚsplit)ÚselfÚoutput_fieldÚinternal_typer   r   r   Úunification_cast_sql<   s
   ÿz'DatabaseOperations.unification_cast_sqlz[A-Z_]+c                 C   s€   |dkrd|› d�|fS |dkrd|› d�|fS |dkr$d|› d�|fS |  ¡ }| j |¡s5td	|›�ƒ‚d
|› d|› d�|fS )NÚweek_dayzEXTRACT(DOW FROM z) + 1Úiso_week_dayzEXTRACT(ISODOW FROM ú)Úiso_yearzEXTRACT(ISOYEAR FROM zInvalid lookup type: zEXTRACT(z FROM )ÚupperÚ_extract_format_reÚ	fullmatchÚ
ValueError©r:   Úlookup_typeÚsqlÚparamsr   r   r   Údate_extract_sqlS   s   z#DatabaseOperations.date_extract_sqlNc                 C   ó*   |   |||¡\}}d|› d�|g|¢R fS ©NúDATE_TRUNC(%s, r@   ©Ú_convert_sql_to_tz©r:   rG   rH   rI   Útznamer   r   r   Údate_trunc_sqlb   ó   z!DatabaseOperations.date_trunc_sqlc                 C   s6   t |ƒ\}}}|r|dkrdnd}|› |› |› �S |S )Nú+ú-r   )r:   rQ   ÚsignÚoffsetr   r   r   Ú_prepare_tzname_deltag   s
   z(DatabaseOperations._prepare_tzname_deltac                 C   s4   |rt jr|  |¡}|› d�g |¢|‘R fS ||fS )Nz AT TIME ZONE %s)r   ÚUSE_TZrX   )r:   rH   rI   rQ   Útzname_paramr   r   r   rO   n   s   

z%DatabaseOperations._convert_sql_to_tzc                 C   ó"   |   |||¡\}}d|› d�|fS )Nr4   z)::daterN   ©r:   rH   rI   rQ   r   r   r   Údatetime_cast_date_sqlt   ó   z)DatabaseOperations.datetime_cast_date_sqlc                 C   r[   )Nr4   ú)::timerN   r\   r   r   r   Údatetime_cast_time_sqlx   r^   z)DatabaseOperations.datetime_cast_time_sqlc                 C   s@   |   |||¡\}}|dkrd|› d�dg|¢R fS |  |||¡S ©NÚsecondz#EXTRACT(SECOND FROM DATE_TRUNC(%s, z)))rO   rJ   rP   r   r   r   Údatetime_extract_sql|   s   z'DatabaseOperations.datetime_extract_sqlc                 C   rK   rL   rN   rP   r   r   r   Údatetime_trunc_sqlƒ   rS   z%DatabaseOperations.datetime_trunc_sqlc                 C   s.   |dkrd|› d�dg|¢R fS |   |||¡S ra   )rJ   rF   r   r   r   Útime_extract_sqlˆ   s   z#DatabaseOperations.time_extract_sqlc                 C   rK   )NrM   r_   rN   rP   r   r   r   Útime_trunc_sqlŽ   s   z!DatabaseOperations.time_trunc_sqlc                 C   ó   dS )Nz DEFERRABLE INITIALLY DEFERREDr   ©r:   r   r   r   Údeferrable_sql’   ó   z!DatabaseOperations.deferrable_sqlc                 C   s   |  ¡ S )z˜
        Given a cursor object that has just performed an INSERT...RETURNING
        statement into a table, return the tuple of returned data.
        )Úfetchall)r:   Úcursorr   r   r   Úfetch_returned_insert_rows•   s   z-DatabaseOperations.fetch_returned_insert_rowsc                 C   s2   d}|dv r|dv rd}nd}|dv rd| }|S )Nr5   )	ÚiexactÚcontainsÚ	icontainsÚ
startswithÚistartswithÚendswithÚ	iendswithÚregexÚiregex)r1   r0   zHOST(%s)z%s::text)rn   rp   rr   rt   z	UPPER(%s)r   )r:   rG   r<   Úlookupr   r   r   Úlookup_castœ   s   zDatabaseOperations.lookup_castc                 C   s   d S ©Nr   rh   r   r   r   Úno_limit_valueµ   rj   z!DatabaseOperations.no_limit_valuec                 C   s   |gS ry   r   )r:   rH   r   r   r   Úprepare_sql_script¸   s   z%DatabaseOperations.prepare_sql_scriptc                 C   s    |  d¡r| d¡r|S d| S )Nú"z"%s")rq   rs   )r:   Únamer   r   r   Ú
quote_name»   s   zDatabaseOperations.quote_namec                 C   s   t ||| jƒS ry   )r
   r8   )r:   rH   rI   r   r   r   Úcompose_sqlÀ   s   zDatabaseOperations.compose_sqlc                 C   rg   )Nz(SELECT set_config('TimeZone', %s, false)r   rh   r   r   r   Úset_time_zone_sqlÃ   rj   z$DatabaseOperations.set_time_zone_sqlF)Úreset_sequencesÚallow_cascadec                   sd   |sg S ˆ  d¡d ‡ ‡fdd„|D ƒ¡g}|r | ˆ  d¡¡ |r*| ˆ  d¡¡ dd |¡ gS )	NÚTRUNCATEú, c                 3   s    � | ]}ˆ  ˆ  |¡¡V  qd S ry   )Ú	SQL_FIELDr~   )Ú.0Útable©r:   Ústyler   r   Ú	<genexpr>Î   s   € z/DatabaseOperations.sql_flush.<locals>.<genexpr>zRESTART IDENTITYÚCASCADEz%s;ú )ÚSQL_KEYWORDÚjoinÚappend)r:   r‰   Útablesr�   r‚   Ú	sql_partsr   rˆ   r   Ú	sql_flushÆ   s   þzDatabaseOperations.sql_flushc              
   C   sR   g }|D ]"}|d }|d pd}|  d| d¡| |  |¡¡| |¡f ¡ q|S )Nr‡   ÚcolumnÚidz7%s setval(pg_get_serial_sequence('%s','%s'), 1, false);ÚSELECT)r�   r�   Ú	SQL_TABLEr~   r…   )r:   r‰   Ú	sequencesrH   Úsequence_infoÚ
table_nameÚcolumn_namer   r   r   Úsequence_reset_by_name_sqlÖ   s   ýÿÿz-DatabaseOperations.sequence_reset_by_name_sqlc                 C   s    |r	d|   |¡ S d|   |¡ S )NzUSING INDEX TABLESPACE %szTABLESPACE %s)r~   )r:   Ú
tablespaceÚinliner   r   r   Útablespace_sqlé   s   z!DatabaseOperations.tablespace_sqlc                 C   s®   ddl m} g }| j}|D ]G}|jjD ]@}t||jƒrS| d| d¡| 	||jj
ƒ¡| |j¡| ||jƒ¡| ||jƒ¡| d¡| d¡| 	||jj
ƒ¡f ¡  nqq|S )Nr   )ÚmodelszZ%s setval(pg_get_serial_sequence('%s','%s'), coalesce(max(%s), 1), max(%s) %s null) %s %s;r•   zIS NOTÚFROM)Ú	django.dbrŸ   r~   Ú_metaÚlocal_fieldsÚ
isinstancer&   r�   r�   r–   Údb_tabler…   r“   )r:   r‰   Ú
model_listrŸ   ÚoutputÚqnÚmodelÚfr   r   r   Úsequence_reset_sqlï   s.   
øþÿï€z%DatabaseOperations.sequence_reset_sqlc                 C   ó   |S ry   r   )r:   Úxr   r   r   Úprep_for_iexact_query  rj   z(DatabaseOperations.prep_for_iexact_queryc                 C   rg   )a–  
        Return the maximum length of an identifier.

        The maximum length of an identifier is 63 by default, but can be
        changed by recompiling PostgreSQL after editing the NAMEDATALEN
        macro in src/include/pg_config_manual.h.

        This implementation returns 63, but can be overridden by a custom
        database backend that inherits most of its behavior from this one.
        é?   r   rh   r   r   r   Úmax_name_length  s   z"DatabaseOperations.max_name_lengthc                 C   s0   |rdd„ |D ƒ}dd  |¡ g|fS dgg fS )Nc                 S   s   g | ]	}|D ]}|‘qqS r   r   )r†   Ú
param_listÚparamr   r   r   Ú
<listcomp>#  s    z3DatabaseOperations.distinct_sql.<locals>.<listcomp>zDISTINCT ON (%s)r„   ÚDISTINCT©rŽ   )r:   ÚfieldsrI   r   r   r   Údistinct_sql!  s   
zDatabaseOperations.distinct_sqlc                 C   sR   | j jjrz|  ||¡W S  tjy   Y d S w |jr'|jjd ur'|jj ¡ S d S ry   )	r8   ÚfeaturesÚuses_server_side_bindingr   r   Ú	DataErrorÚ_queryÚqueryÚdecode©r:   rl   rH   rI   r   r   r   Úlast_executed_query*  s   
ÿz&DatabaseOperations.last_executed_queryc                 C   s   |j d ur
|j  ¡ S d S ry   )r¼   r½   r¾   r   r   r   r¿   7  s   

c                    s,   |sdS ‡ fdd„|D ƒ}dd  |¡ dfS )N)Ú r   c                    s,   g | ]}d ˆ   |jjj¡ˆ   |j¡f ‘qS )z%s.%s)r~   r©   r¢   r¥   r“   ©r†   Úfieldrh   r   r   r³   A  s    û
þÿÿz<DatabaseOperations.return_insert_columns.<locals>.<listcomp>zRETURNING %sr„   r   rµ   )r:   r¶   Úcolumnsr   rh   r   Úreturn_insert_columns>  s   
úz(DatabaseOperations.return_insert_columnsc                 C   s$   |d u s	t |dƒr|S | j| |ƒS )NÚresolve_expression)ÚhasattrÚintegerfield_type_map)r:   Úvaluer<   r   r   r   Úadapt_integerfield_valueM  s   z+DatabaseOperations.adapt_integerfield_valuec                 C   r¬   ry   r   ©r:   rÈ   r   r   r   Úadapt_datefield_valueR  rj   z(DatabaseOperations.adapt_datefield_valuec                 C   r¬   ry   r   rÊ   r   r   r   Úadapt_datetimefield_valueU  rj   z,DatabaseOperations.adapt_datetimefield_valuec                 C   r¬   ry   r   rÊ   r   r   r   Úadapt_timefield_valueX  rj   z(DatabaseOperations.adapt_timefield_valuec                 C   r¬   ry   r   )r:   rÈ   Ú
max_digitsÚdecimal_placesr   r   r   Úadapt_decimalfield_value[  rj   z+DatabaseOperations.adapt_decimalfield_valuec                 C   s   |rt |ƒS d S ry   )r   rÊ   r   r   r   Úadapt_ipaddressfield_value^  s   z-DatabaseOperations.adapt_ipaddressfield_valuec                 C   s   t |t|ƒd�S )N)r   )r   r   )r:   rÈ   r   r   r   r   Úadapt_json_valuec  s   z#DatabaseOperations.adapt_json_valuec           	         sF   |dkr|\}}|\}}g |¢|¢R }d||f |fS t ƒ  |||¡S )NÚ	DateFieldz(interval '1 day' * (%s - %s)))ÚsuperÚsubtract_temporals)	r:   r<   ÚlhsÚrhsÚlhs_sqlÚ
lhs_paramsÚrhs_sqlÚ
rhs_paramsrI   ©Ú	__class__r   r   rÕ   f  s   z%DatabaseOperations.subtract_temporalsc                    sŠ   i }|r!dd„ |  ¡ D ƒ}| jD ]}| |d ¡}|d ur |||< qtƒ j|fi |¤Ž}|r1||d< |rC|dd dd„ |  ¡ D ƒ¡ 7 }|S )Nc                 S   s"   i | ]\}}|  ¡ |rd nd“qS )ÚtrueÚfalse)rB   )r†   r}   rÈ   r   r   r   Ú
<dictcomp>r  s    ÿÿz;DatabaseOperations.explain_query_prefix.<locals>.<dictcomp>ÚFORMATz (%s)r„   c                 s   s   � | ]}d | V  qdS )z%s %sNr   )r†   Úir   r   r   rŠ   ~  s   € z:DatabaseOperations.explain_query_prefix.<locals>.<genexpr>)ÚitemsÚexplain_optionsÚpoprÔ   Úexplain_query_prefixrŽ   )r:   ÚformatÚoptionsÚextraÚvalid_optionrÈ   ÚprefixrÜ   r   r   ræ   n  s    þ
€ z'DatabaseOperations.explain_query_prefixc                    s\   |t jkrdS |t jkr%dd t| j|ƒ¡d dd„ t| j|ƒD ƒ¡f S tƒ  ||||¡S )NzON CONFLICT DO NOTHINGz ON CONFLICT(%s) DO UPDATE SET %sr„   c                 S   s   g | ]	}|› d |› �‘qS )z = EXCLUDED.r   rÁ   r   r   r   r³   ˆ  s    ÿÿz=DatabaseOperations.on_conflict_suffix_sql.<locals>.<listcomp>)r   ÚIGNOREÚUPDATErŽ   Úmapr~   rÔ   Úon_conflict_suffix_sql)r:   r¶   Úon_conflictÚupdate_fieldsÚunique_fieldsrÜ   r   r   rï   �  s"   


þÿþ	üz)DatabaseOperations.on_conflict_suffix_sqlc                    s@   t ƒ  ||||¡\}}| | j¡| | j¡krt||ƒ}||fS ry   )rÔ   Úprepare_join_on_clauser7   r8   r   )r:   Ú	lhs_tableÚ	lhs_fieldÚ	rhs_tableÚ	rhs_fieldÚlhs_exprÚrhs_exprrÜ   r   r   ró   •  s   ÿ
z)DatabaseOperations.prepare_join_on_clausery   )F)NN)9Ú__name__Ú
__module__Ú__qualname__Ú"cast_char_field_without_max_lengthÚexplain_prefixÚ	frozenseträ   Úcast_data_typesr	   Úpsycopg.typesr)   ÚInt2ÚInt4ÚInt8rÇ   r=   r   rC   rJ   rR   rX   rO   r]   r`   rc   rd   re   rf   ri   rm   rx   rz   r{   r~   r   r€   r’   r›   rž   r«   r®   r°   r·   r¿   rÄ   rÉ   rË   rÌ   rÍ   rÐ   rÑ   rÒ   rÕ   ræ   rï   ró   Ú__classcell__r   r   rÜ   r   r      s|    ÿýú	



"

r   )r   Ú	functoolsr   r   Údjango.confr   Ú"django.db.backends.base.operationsr   Ú)django.db.backends.postgresql.psycopg_anyr   r   r   r	   r
   Údjango.db.backends.utilsr   Údjango.db.models.constantsr   Údjango.db.models.functionsr   Údjango.utils.regex_helperr   r   r   r   r   r   r   Ú<module>   s    
