o
    ÕèFhð<  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
Z
mZmZmZ d dlmZ d dlmZ d dlmZ d d	lmZ ed
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   úa/var/www/html/loop/nvenv/lib/python3.10/site-packages/django/db/backends/postgresql/operations.pyÚget_json_dumps   s   r   c                       sÜ  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
Z
 e
je
je
je
je
je
jd
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%dad9d:„Z&d;d<„ Z'd=d>„ Z(d?d@„ Z)dAdB„ Z*er¦dCdD„ Z+ndEdD„ Z+dFdG„ Z,dHdI„ Z-er¸dJdK„ Z.dLdM„ Z/dNdO„ Z0dPdQ„ Z1dbdRdS„Z2dTdU„ Z3dVdW„ Z4‡ fdXdY„Z5d`‡ fdZd[„	Z6‡ fd\d]„Z7‡ fd^d_„Z8‡  Z9S )cÚDatabaseOperationsÚvarcharÚEXPLAIN)ÚANALYZEÚBUFFERSÚCOSTSÚ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©r9   Úlookup_typeÚsqlÚparamsr   r   r   Údate_extract_sqlR   s   z#DatabaseOperations.date_extract_sqlNc                 C   ó*   |   |||¡\}}d|› d�|g|¢R fS ©NúDATE_TRUNC(%s, r?   ©Ú_convert_sql_to_tz©r9   rF   rG   rH   Útznamer   r   r   Údate_trunc_sqla   ó   z!DatabaseOperations.date_trunc_sqlc                 C   s6   t |ƒ\}}}|r|dkrdnd}|› |› |› �S |S )Nú+ú-r   )r9   rP   ÚsignÚoffsetr   r   r   Ú_prepare_tzname_deltaf   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_TZrW   )r9   rG   rH   rP   Útzname_paramr   r   r   rN   m   s   

z%DatabaseOperations._convert_sql_to_tzc                 C   ó"   |   |||¡\}}d|› d�|fS )Nr3   z)::daterM   ©r9   rG   rH   rP   r   r   r   Údatetime_cast_date_sqls   ó   z)DatabaseOperations.datetime_cast_date_sqlc                 C   rZ   )Nr3   ú)::timerM   r[   r   r   r   Údatetime_cast_time_sqlw   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)))rN   rI   rO   r   r   r   Údatetime_extract_sql{   s   z'DatabaseOperations.datetime_extract_sqlc                 C   rJ   rK   rM   rO   r   r   r   Údatetime_trunc_sql‚   rR   z%DatabaseOperations.datetime_trunc_sqlc                 C   s.   |dkrd|› d�dg|¢R fS |   |||¡S r`   )rI   rE   r   r   r   Útime_extract_sql‡   s   z#DatabaseOperations.time_extract_sqlc                 C   rJ   )NrL   r^   rM   rO   r   r   r   Útime_trunc_sql�   s   z!DatabaseOperations.time_trunc_sqlc                 C   ó   dS )Nz DEFERRABLE INITIALLY DEFERREDr   ©r9   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)r9   Úcursorr   r   r   Úfetch_returned_insert_rows”   s   z-DatabaseOperations.fetch_returned_insert_rowsc                 C   s@   d}|dv r|dv rd}n	|dv rd}nd}|dv rd	| }|S )
Nr4   )	ÚiexactÚcontainsÚ	icontainsÚ
startswithÚistartswithÚendswithÚ	iendswithÚregexÚiregex)r0   r/   zHOST(%s))ÚCICharFieldÚCIEmailFieldÚCITextFieldz
%s::citextz%s::text)rm   ro   rq   rs   z	UPPER(%s)r   )r9   rF   r;   Úlookupr   r   r   Úlookup_cast›   s   zDatabaseOperations.lookup_castc                 C   s   d S ©Nr   rg   r   r   r   Úno_limit_value·   ri   z!DatabaseOperations.no_limit_valuec                 C   s   |gS r{   r   )r9   rG   r   r   r   Úprepare_sql_scriptº   s   z%DatabaseOperations.prepare_sql_scriptc                 C   s    |  d¡r| d¡r|S d| S )Nú"z"%s")rp   rr   )r9   Únamer   r   r   Ú
quote_name½   s   zDatabaseOperations.quote_namec                 C   s   t ||| jƒS r{   )r
   r7   )r9   rG   rH   r   r   r   Úcompose_sqlÂ   s   zDatabaseOperations.compose_sqlc                 C   rf   )Nz(SELECT set_config('TimeZone', %s, false)r   rg   r   r   r   Úset_time_zone_sqlÅ   ri   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 r{   )Ú	SQL_FIELDr€   )Ú.0Útable©r9   Ústyler   r   Ú	<genexpr>Ð   s   € z/DatabaseOperations.sql_flush.<locals>.<genexpr>zRESTART IDENTITYÚCASCADEz%s;ú )ÚSQL_KEYWORDÚjoinÚappend)r9   r‹   Útablesrƒ   r„   Ú	sql_partsr   rŠ   r   Ú	sql_flushÈ   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‡   )r9   r‹   Ú	sequencesrG   Úsequence_infoÚ
table_nameÚcolumn_namer   r   r   Úsequence_reset_by_name_sqlØ   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€   )r9   Ú
tablespaceÚinliner   r   r   Útablespace_sqlë   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.dbr¡   r€   Ú_metaÚlocal_fieldsÚ
isinstancer%   r‘   r�   r˜   Údb_tabler‡   r•   )r9   r‹   Ú
model_listr¡   ÚoutputÚqnÚmodelÚfr   r   r   Úsequence_reset_sqlñ   s.   
øþÿï€z%DatabaseOperations.sequence_reset_sqlc                 C   ó   |S r{   r   )r9   Úxr   r   r   Úprep_for_iexact_query  ri   z(DatabaseOperations.prep_for_iexact_queryc                 C   rf   )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   rg   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   )rˆ   Ú
param_listÚparamr   r   r   Ú
<listcomp>%  s    z3DatabaseOperations.distinct_sql.<locals>.<listcomp>zDISTINCT ON (%s)r†   ÚDISTINCT©r�   )r9   ÚfieldsrH   r   r   r   Údistinct_sql#  s   
zDatabaseOperations.distinct_sqlc                 C   s&   z|   ||¡W S  tjy   Y d S w r{   )r�   r   Ú	DataError©r9   rk   rG   rH   r   r   r   Úlast_executed_query,  s
   ÿz&DatabaseOperations.last_executed_queryc                 C   s   |j d ur
|j  ¡ S d S r{   )ÚqueryÚdecoder»   r   r   r   r¼   4  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•   ©rˆ   Úfieldrg   r   r   rµ   >  s    û
þÿÿz<DatabaseOperations.return_insert_columns.<locals>.<listcomp>zRETURNING %sr†   r   r·   )r9   r¸   Úcolumnsr   rg   r   Úreturn_insert_columns;  s   
úz(DatabaseOperations.return_insert_columnsc                 C   s*   dd„ |D ƒ}d  dd„ |D ƒ¡}d| S )Nc                 s   s   � | ]}d   |¡V  qdS )r†   Nr·   )rˆ   Úrowr   r   r   rŒ   I  s   € z5DatabaseOperations.bulk_insert_sql.<locals>.<genexpr>r†   c                 s   ó   � | ]}d | V  qdS )z(%s)Nr   )rˆ   rG   r   r   r   rŒ   J  ó   € zVALUES r·   )r9   r¸   Úplaceholder_rowsÚplaceholder_rows_sqlÚ
values_sqlr   r   r   Úbulk_insert_sqlH  s   z"DatabaseOperations.bulk_insert_sqlc                 C   s$   |d u s	t |dƒr|S | j| |ƒS )NÚresolve_expression)ÚhasattrÚintegerfield_type_map)r9   Úvaluer;   r   r   r   Úadapt_integerfield_valueO  s   z+DatabaseOperations.adapt_integerfield_valuec                 C   r®   r{   r   ©r9   rÎ   r   r   r   Úadapt_datefield_valueT  ri   z(DatabaseOperations.adapt_datefield_valuec                 C   r®   r{   r   rÐ   r   r   r   Úadapt_datetimefield_valueW  ri   z,DatabaseOperations.adapt_datetimefield_valuec                 C   r®   r{   r   rÐ   r   r   r   Úadapt_timefield_valueZ  ri   z(DatabaseOperations.adapt_timefield_valuec                 C   r®   r{   r   )r9   rÎ   Ú
max_digitsÚdecimal_placesr   r   r   Úadapt_decimalfield_value]  ri   z+DatabaseOperations.adapt_decimalfield_valuec                 C   s   |rt |ƒS d S r{   )r   rÐ   r   r   r   Úadapt_ipaddressfield_value`  s   z-DatabaseOperations.adapt_ipaddressfield_valuec                 C   s   t |t|ƒd�S )N)r   )r   r   )r9   rÎ   r   r   r   r   Úadapt_json_valuee  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)	r9   r;   ÚlhsÚrhsÚlhs_sqlÚ
lhs_paramsÚrhs_sqlÚ
rhs_paramsrH   ©Ú	__class__r   r   rÛ   h  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)rA   )rˆ   r   rÎ   r   r   r   Ú
<dictcomp>t  s    ÿÿz;DatabaseOperations.explain_query_prefix.<locals>.<dictcomp>ÚFORMATz (%s)r†   c                 s   rÅ   )z%s %sNr   )rˆ   Úir   r   r   rŒ   €  rÆ   z:DatabaseOperations.explain_query_prefix.<locals>.<genexpr>)ÚitemsÚexplain_optionsÚpoprÚ   Úexplain_query_prefixr�   )r9   ÚformatÚoptionsÚextraÚvalid_optionrÎ   Úprefixrâ   r   r   rì   p  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   rÀ   r   r   r   rµ   Š  s    ÿÿz=DatabaseOperations.on_conflict_suffix_sql.<locals>.<listcomp>)r   ÚIGNOREÚUPDATEr�   Úmapr€   rÚ   Úon_conflict_suffix_sql)r9   r¸   Úon_conflictÚupdate_fieldsÚunique_fieldsrâ   r   r   rõ   ƒ  s"   


þÿþ	üz)DatabaseOperations.on_conflict_suffix_sqlc                    s@   t ƒ  ||||¡\}}| | j¡| | j¡krt||ƒ}||fS r{   )rÚ   Úprepare_join_on_clauser6   r7   r   )r9   Ú	lhs_tableÚ	lhs_fieldÚ	rhs_tableÚ	rhs_fieldÚlhs_exprÚrhs_exprrâ   r   r   rù   —  s   ÿ
z)DatabaseOperations.prepare_join_on_clauser{   )F)NN):Ú__name__Ú
__module__Ú__qualname__Ú"cast_char_field_without_max_lengthÚexplain_prefixÚ	frozensetrê   Úcast_data_typesr	   Úpsycopg.typesr(   ÚInt2ÚInt4ÚInt8rÍ   r<   r   rB   rI   rQ   rW   rN   r\   r_   rb   rc   rd   re   rh   rl   rz   r|   r}   r€   r�   r‚   r”   r�   r    r­   r°   r²   r¹   r¼   rÃ   rÊ   rÏ   rÑ   rÒ   rÓ   rÖ   r×   rØ   rÛ   rì   rõ   rù   Ú__classcell__r   r   râ   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    
