o
    [hG                     @   s   d dl Z d dlmZ d dlmZ d dlmZ d dl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 G d
d deZdS )    N)settings)BaseDatabaseOperationssplit_tzname_delta)ExistsExpressionWrapperLookup)
OnConflict)timezone)	force_str)_lazy_re_compilec                       s  e Zd ZdZi ejddddZdddddd	dddd
d
d
ddZd	ZdZe	dZ
dd ZdYddZdd Zdd Zdd Zdd Zdd Zdd ZdYdd Zd!d" Zd#d$ Zd%d& Zd'd( Zd)d* Zd+d, Zd-d. Zd/d/d0d1d2Zd3d4 Zd5d6 Zd7d8 Zd9d: Zd;d< Z d=d> Z! fd?d@Z" fdAdBZ#dCdD Z$dEdF Z%dGdH Z&dIdJ Z'dKdL Z(dY fdMdN	Z)dOdP Z*dY fdQdR	Z+dYdSdTZ, fdUdVZ- fdWdXZ.  Z/S )ZDatabaseOperationsz!django.db.backends.mysql.compiler)r   i  )r   l    )r       )PositiveSmallIntegerFieldPositiveIntegerFieldPositiveBigIntegerFieldzsigned integerzchar(%(max_length)s)z+decimal(%(max_digits)s, %(decimal_places)s)charzunsigned integer)Z	AutoFieldZBigAutoFieldZSmallAutoFieldZ	CharFieldZDecimalFieldZ	TextFieldZIntegerFieldZBigIntegerFieldZSmallIntegerFieldr   r   r   ZDurationFieldZEXPLAINz[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 |d
kr0d| d|fS |  }| j|sAtd|d| d| d|fS )NZweek_dayz
DAYOFWEEK()Ziso_week_dayzWEEKDAY(z) + 1weekzWEEK(z, 3)Ziso_yearzTRUNCATE(YEARWEEK(z, 3), -2) / 100zInvalid loookup type: zEXTRACT(z FROM )upper_extract_format_re	fullmatch
ValueError)selflookup_typesqlparams r   /home/ubuntu/experiments/live_experiments/Pythonexperiments/Otree/venv/lib/python3.10/site-packages/django/db/backends/mysql/operations.pydate_extract_sql,   s   z#DatabaseOperations.date_extract_sqlNc                 C   s   |  |||\}}ddd}||v r#|| }d| dg ||R fS |dkr7d| d| d	g ||R fS |d
krKd| d| dg ||R fS d| d|fS )Nz%Y-01-01z%Y-%m-01)yearmonthCAST(DATE_FORMAT(z, %s) AS DATE)quarterzMAKEDATE(YEAR(), 1) + INTERVAL QUARTER(z) QUARTER - INTERVAL 1 QUARTERr   z	DATE_SUB(, INTERVAL WEEKDAY(z) DAY)DATE(r   _convert_sql_to_tzr   r   r   r   tznamefields
format_strr   r   r   date_trunc_sqlD   s     z!DatabaseOperations.date_trunc_sqlc                 C   s"   t |\}}}|r| | S |S Nr   )r   r*   signoffsetr   r   r   _prepare_tzname_deltaX   s   z(DatabaseOperations._prepare_tzname_deltac                 C   sF   |rt jr| jj|krd| dg || jj| |R fS ||fS )NzCONVERT_TZ(z	, %s, %s))r   USE_TZ
connectionZtimezone_namer1   r   r   r   r*   r   r   r   r(   \   s   z%DatabaseOperations._convert_sql_to_tzc                 C   "   |  |||\}}d| d|fS )Nr&   r   r'   r4   r   r   r   datetime_cast_date_sqle      z)DatabaseOperations.datetime_cast_date_sqlc                 C   r5   )NTIME(r   r'   r4   r   r   r   datetime_cast_time_sqli   r7   z)DatabaseOperations.datetime_cast_time_sqlc                 C   s    |  |||\}}| |||S r.   )r(   r   )r   r   r   r   r*   r   r   r   datetime_extract_sqlm   s   z'DatabaseOperations.datetime_extract_sqlc           
      C   s   |  |||\}}g d}d}d}|dkr'd| d| dg ||dR fS |d	kr=d
| d| dg ||dR fS z	||d }W n tyR   Y ||fS w d|d | ||d   }	d| dg ||	R fS )N)r    r!   dayhourminutesecond)z%Y-z%mz-%dz %H:z%iz:%s)z0000-Z01z-01z 00:Z00z:00r#   zCAST(DATE_FORMAT(MAKEDATE(YEAR(r$   z0) QUARTER - INTERVAL 1 QUARTER, %s) AS DATETIME)z%Y-%m-01 00:00:00r   zCAST(DATE_FORMAT(DATE_SUB(r%   z) DAY), %s) AS DATETIME)z%Y-%m-%d 00:00:00    r"   z, %s) AS DATETIME))r(   indexr   join)
r   r   r   r   r*   r+   formatZ
format_defir,   r   r   r   datetime_trunc_sqlq   s4   z%DatabaseOperations.datetime_trunc_sqlc                 C   sX   |  |||\}}dddd}||v r$|| }d| dg ||R fS d| d|fS )	Nz%H:00:00z%H:%i:00z%H:%i:%s)r<   r=   r>   r"   z, %s) AS TIME)r8   r   r'   r)   r   r   r   time_trunc_sql   s   z!DatabaseOperations.time_trunc_sqlc                 C   s   |  S )z
        Given a cursor object that has just performed an INSERT...RETURNING
        statement into a table, return the tuple of returned data.
        )Zfetchall)r   cursorr   r   r   fetch_returned_insert_rows   s   z-DatabaseOperations.fetch_returned_insert_rowsc                 C   s   d| S )NzINTERVAL %s MICROSECONDr   )r   r   r   r   r   format_for_duration_arithmetic   s   z1DatabaseOperations.format_for_duration_arithmeticc                 C   s   ddg dffgS )z
        "ORDER BY NULL" prevents MySQL from implicitly ordering by grouped
        columns. If no ordering would otherwise be applied, we don't want any
        implicit sorting going on.
        NNULLFr   r   r   r   r   force_no_ordering   s   z$DatabaseOperations.force_no_orderingc                 C   s   t t|dd ddS )NZ	_executedreplace)errors)r   getattr)r   rG   r   r   r   r   r   last_executed_query   s   z&DatabaseOperations.last_executed_queryc                 C      dS )Nr   r   rK   r   r   r   no_limit_value   s   z!DatabaseOperations.no_limit_valuec                 C   s    | dr|dr|S d| S )N`z`%s`)
startswithendswith)r   namer   r   r   
quote_name   s   zDatabaseOperations.quote_namec                    s,   |sdS  fdd|D }dd | dfS )N)r@   r   c                    s,   g | ]}d   |jjj  |jf qS )z%s.%s)rW   model_metaZdb_tablecolumn.0fieldrK   r   r   
<listcomp>   s    
z<DatabaseOperations.return_insert_columns.<locals>.<listcomp>zRETURNING %s, r   )rB   )r   r+   columnsr   rK   r   return_insert_columns   s   
z(DatabaseOperations.return_insert_columnsF)reset_sequencesallow_cascadec                   sV   |sg S dg}|r|  fdd|D  n|  fdd|D  |d |S )NzSET FOREIGN_KEY_CHECKS = 0;c                 3   s.    | ]}d  d |f V  qdS )z%s %s;ZTRUNCATENZSQL_KEYWORDZ	SQL_FIELDrW   r\   Z
table_namer   styler   r   	<genexpr>   s    
z/DatabaseOperations.sql_flush.<locals>.<genexpr>c              	   3   s6    | ]}d  d d |f V  qdS )z	%s %s %s;DELETEZFROMNrd   re   rf   r   r   rh      s    
zSET FOREIGN_KEY_CHECKS = 1;)extendappend)r   rg   Ztablesrb   rc   r   r   rf   r   	sql_flush   s   

	zDatabaseOperations.sql_flushc                    s    fdd|D S )Nc                    s>   g | ]}d  d d |d df qS )z%s %s %s %s = 1;ZALTERZTABLEtableZAUTO_INCREMENTrd   )r\   Zsequence_inforf   r   r   r^      s    zADatabaseOperations.sequence_reset_by_name_sql.<locals>.<listcomp>r   )r   rg   	sequencesr   rf   r   sequence_reset_by_name_sql   s   z-DatabaseOperations.sequence_reset_by_name_sqlc                 C   s   |dkr| j jjstd|S )Nr   z@The database backend does not accept 0 as a value for AutoField.)r3   featuresZallows_auto_pk_0r   r   valuer   r   r   validate_autopk_value   s
   z(DatabaseOperations.validate_autopk_valuec                 C   sR   |d u rd S t |dr|S t|r%tjr!t|| jj}t|S tdt|S )Nresolve_expressionzMMySQL backend does not support timezone-aware datetimes when USE_TZ is False.)	hasattrr
   is_awarer   r2   Z
make_naiver3   r   strrq   r   r   r   adapt_datetimefield_value   s   

z,DatabaseOperations.adapt_datetimefield_valuec                 C   s8   |d u rd S t |dr|S t|rtd|jddS )Nrt   z4MySQL backend does not support timezone-aware times.microseconds)Ztimespec)ru   r
   rv   r   	isoformatrq   r   r   r   adapt_timefield_value  s   

z(DatabaseOperations.adapt_timefield_valuec                 C   rQ   )N@   r   rK   r   r   r   max_name_length     z"DatabaseOperations.max_name_lengthc                 C   rQ   )NrJ   r   rK   r   r   r   pk_default_value  r~   z#DatabaseOperations.pk_default_valuec                    sh   |dkrdd | S |dv r|dkrdn|}d| | S |dkr-|\}}d||d	 S t ||S )
N^zPOW(%s),)&|z<<#r   zCONVERT(%s, SIGNED)z>>z FLOOR(%(lhs)s / POW(2, %(rhs)s))lhsrhs)rB   supercombine_expression)r   Z	connectorZsub_expressionsr   r   	__class__r   r   r   "  s   z%DatabaseOperations.combine_expressionc                    sd   t  |}|j }|dkr|| j |S |dkr&tjr$|| j |S |dkr0|| j	 |S )NZBooleanFieldZDateTimeFieldZ	UUIDField)
r   get_db_convertersZoutput_fieldZget_internal_typerk   convert_booleanfield_valuer   r2   convert_datetimefield_valueconvert_uuidfield_value)r   
expression
convertersinternal_typer   r   r   r   /  s   
z$DatabaseOperations.get_db_convertersc                 C   s   |dv rt |}|S )N)r   r?   )boolr   rr   r   r3   r   r   r   r   ;  s   z-DatabaseOperations.convert_booleanfield_valuec                 C   s   |d urt || jj }|S r.   )r
   Z
make_awarer3   r   r   r   r   r   @  s   z.DatabaseOperations.convert_datetimefield_valuec                 C   s   |d ur	t |}|S r.   )uuidUUIDr   r   r   r   r   E  s   
z*DatabaseOperations.convert_uuidfield_valuec                 C   s   |d urt |dsdS dS )NZas_sqlz
_binary %s%s)ru   rq   r   r   r   binary_placeholder_sqlJ  s   z)DatabaseOperations.binary_placeholder_sqlc           	      C   s   |\}}|\}}|dkr1| j jrd||d g ||R fS d||d t|d t|d  fS g ||R }d||f |fS )NZ	TimeFieldzGCAST((TIME_TO_SEC(%(lhs)s) - TIME_TO_SEC(%(rhs)s)) * 1000000 AS SIGNED)r   zs((TIME_TO_SEC(%(lhs)s) * 1000000 + MICROSECOND(%(lhs)s)) - (TIME_TO_SEC(%(rhs)s) * 1000000 + MICROSECOND(%(rhs)s)))   z"TIMESTAMPDIFF(MICROSECOND, %s, %s))r3   mysql_is_mariadbtuple)	r   r   r   r   Zlhs_sqlZ
lhs_paramsZrhs_sqlZ
rhs_paramsr   r   r   r   subtract_temporalsO  s4   z%DatabaseOperations.subtract_temporalsc                    s   |r|  dkrd}n|sd| jjjv rd}|dd}t j|fi |}|r7| jjjr7| jjr3dn|d }|rE|r?| jjrE|d| 7 }|S )	NZTEXTZTRADITIONALZTREEanalyzeFZANALYZEz ANALYZEz
 FORMAT=%s)	r   r3   rp   Zsupported_explain_formatspopr   explain_query_prefixZsupports_explain_analyzer   )r   rC   optionsr   prefixr   r   r   r   i  s   z'DatabaseOperations.explain_query_prefixc                 C   s0   | j jr|dkr
dS dS |dkrdnd}d| S )Nregexz%s REGEXP BINARY %sz%s REGEXP %scrD   zREGEXP_LIKE(%%s, %%s, '%s')r3   r   )r   r   Zmatch_optionr   r   r   regex_lookup~  s   zDatabaseOperations.regex_lookupc                    s   |t jkrdS t j|dS )NzINSERT IGNORE INTO)on_conflict)r	   ZIGNOREr   insert_statement)r   r   r   r   r   r     s   
z#DatabaseOperations.insert_statementc                 C   s$   d}|dkr| j js|dv rd}|S )Nr   Z	JSONField)	ZiexactcontainsZ	icontainsrT   ZistartswithrU   Z	iendswithr   ZiregexzJSON_UNQUOTE(%s)r   )r   r   r   lookupr   r   r   lookup_cast  s
   zDatabaseOperations.lookup_castc                    sJ   t |ttfr	dS t |tr|jr| |jS t|ddrdS t |S )NTconditionalF)	
isinstancer   r   r   r   0conditional_expression_supported_in_where_clauser   rO   r   )r   r   r   r   r   r     s   zCDatabaseOperations.conditional_expression_supported_in_where_clausec                    sz   |t jkr4d}| jjs| jjdkrd| }d nd nd d fdd	t| j|D }|d
|i S t 	||||S )Nz"ON DUPLICATE KEY UPDATE %(fields)s)   r      zAS new z%(field)s = new.%(field)sz%(field)s = VALUES(%(field)s)z%(field)s = VALUE(%(field)s)r_   c                    s   g | ]} d |i qS )r]   r   r[   Z	field_sqlr   r   r^     s    
z=DatabaseOperations.on_conflict_suffix_sql.<locals>.<listcomp>r+   )
r	   ZUPDATEr3   r   Zmysql_versionrB   maprW   r   on_conflict_suffix_sql)r   r+   r   Zupdate_fieldsZunique_fieldsZconflict_suffix_sqlr   r   r   r     s(   



z)DatabaseOperations.on_conflict_suffix_sqlr.   )0__name__
__module____qualname__Zcompiler_moduler   Zinteger_field_rangesZcast_data_typesZ"cast_char_field_without_max_lengthZexplain_prefixr   r   r   r-   r1   r(   r6   r9   r:   rE   rF   rH   rI   rL   rP   rR   rW   ra   rl   ro   rs   rx   r{   r}   r   r   r   r   r   r   r   r   r   r   r   r   r   r   __classcell__r   r   r   r   r      s|    
	
	

r   )r   Zdjango.confr   Z"django.db.backends.base.operationsr   Zdjango.db.backends.utilsr   Zdjango.db.modelsr   r   r   Zdjango.db.models.constantsr	   Zdjango.utilsr
   Zdjango.utils.encodingr   Zdjango.utils.regex_helperr   r   r   r   r   r   <module>   s    