o
    `Zh                     @   s   d dl mZ d dlmZmZ d dlmZ g dZG dd deZG dd deZ	G d	d
 d
eZ
G dd deZG dd deZG dd deZG dd deZG dd deZG dd deZdS )    )NotSupportedError)FuncIndex)cached_property)
BloomIndex	BrinIndex
BTreeIndexGinIndex	GistIndex	HashIndexSpGistIndexc                       s:   e Zd Zedd Zd
 fdd	Zdd Zdd	 Z  ZS )PostgresIndexc                 C   s   t jtt j t| j S N)r   max_name_lengthlensuffixself r   V/var/www/html/lang_env/lib/python3.10/site-packages/django/contrib/postgres/indexes.pyr      s   zPostgresIndex.max_name_length c                    s\   |  | t j||fdd|p| j i|}|  }|r,dd||jd f |jd< |S )Nusingz	 USING %sz WITH (%s)%sz, extra)check_supportedsuper
create_sqlr   get_with_paramsjoinparts)r   modelschema_editorr   kwargsZ	statementwith_params	__class__r   r   r      s   
zPostgresIndex.create_sqlc                 C   s   d S r   r   r   r    r   r   r   r   &      zPostgresIndex.check_supportedc                 C   s   g S r   r   r   r   r   r   r   )   r&   zPostgresIndex.get_with_params)r   )	__name__
__module____qualname__r   r   r   r   r   __classcell__r   r   r#   r   r      s    
r   c                       s<   e Zd ZdZddd fdd
Z fddZd	d
 Z  ZS )r   ZbloomNr   )lengthcolumnsc                   s   t  j|i | t| jdkrtdt|ttfstdt|t| jkr,tdtdd |D s9td|d urOd|  k rJd	ksOtd
 td
|| _	|| _
d S )N    z-Bloom indexes support a maximum of 32 fields.z+BloomIndex.columns must be a list or tuple.z7BloomIndex.columns cannot have more values than fields.c                 s   s(    | ]}d |  k odkn  V  qdS )r   i  Nr   ).0colr   r   r   	<genexpr>8   s   & z&BloomIndex.__init__.<locals>.<genexpr>z8BloomIndex.columns must contain integers from 1 to 4095.r   i   z<BloomIndex.length must be None or an integer from 1 to 4096.)r   __init__r   fields
ValueError
isinstancelisttupleallr+   r,   )r   r+   r,   expressionsr!   r#   r   r   r1   0   s*   
zBloomIndex.__init__c                    s>   t   \}}}| jd ur| j|d< | jr| j|d< |||fS )Nr+   r,   )r   deconstructr+   r,   r   pathargsr!   r#   r   r   r9   C   s   



zBloomIndex.deconstructc                 C   sF   g }| j d ur|d| j   | jr!|dd t| jddD  |S )Nzlength = %dc                 s   s     | ]\}}d ||f V  qdS )z
col%d = %dNr   )r.   ivr   r   r   r0   P   s    
z-BloomIndex.get_with_params.<locals>.<genexpr>   )start)r+   appendr,   extend	enumerater   r"   r   r   r   r   K   s   

zBloomIndex.get_with_paramsr'   r(   r)   r   r1   r9   r   r*   r   r   r#   r   r   -   s
    r   c                       <   e Zd ZdZddd fdd
Z fddZdd	 Z  ZS )
r   ZbrinN)autosummarizepages_per_rangec                   s:   |d ur|dkrt d|| _|| _t j|i | d S )Nr   z2pages_per_range must be None or a positive integer)r3   rG   rH   r   r1   )r   rG   rH   r8   r!   r#   r   r   r1   Y   s
   zBrinIndex.__init__c                    B   t   \}}}| jd ur| j|d< | jd ur| j|d< |||fS )NrG   rH   )r   r9   rG   rH   r:   r#   r   r   r9   b      




zBrinIndex.deconstructc                 C   D   g }| j d ur|d| j rdnd  | jd ur |d| j  |S )Nzautosummarize = %sonoffzpages_per_range = %d)rG   rA   rH   rD   r   r   r   r   j   s   

zBrinIndex.get_with_paramsrE   r   r   r#   r   r   V   s    	r   c                       :   e Zd ZdZdd fdd
Z fddZdd	 Z  ZS )
r   ZbtreeN
fillfactorc                      || _ t j|i | d S r   rP   r   r1   r   rP   r8   r!   r#   r   r   r1   x      zBTreeIndex.__init__c                    .   t   \}}}| jd ur| j|d< |||fS NrP   r   r9   rP   r:   r#   r   r   r9   |      


zBTreeIndex.deconstructc                 C   "   g }| j d ur|d| j   |S Nfillfactor = %drP   rA   rD   r   r   r   r         
zBTreeIndex.get_with_paramsrE   r   r   r#   r   r   u   
    r   c                       rF   )
r	   ZginN)
fastupdategin_pending_list_limitc                   "   || _ || _t j|i | d S r   )r_   r`   r   r1   )r   r_   r`   r8   r!   r#   r   r   r1      s   zGinIndex.__init__c                    rI   )Nr_   r`   )r   r9   r_   r`   r:   r#   r   r   r9      rJ   zGinIndex.deconstructc                 C   sD   g }| j d ur|d| j   | jd ur |d| jrdnd  |S )Nzgin_pending_list_limit = %dzfastupdate = %srL   rM   )r`   rA   r_   rD   r   r   r   r      s   

zGinIndex.get_with_paramsrE   r   r   r#   r   r	      s    r	   c                       rF   )
r
   ZgistN)	bufferingrP   c                   ra   r   )rb   rP   r   r1   )r   rb   rP   r8   r!   r#   r   r   r1      s   zGistIndex.__init__c                    rI   )Nrb   rP   )r   r9   rb   rP   r:   r#   r   r   r9      rJ   zGistIndex.deconstructc                 C   rK   )Nzbuffering = %srL   rM   r[   )rb   rA   rP   rD   r   r   r   r      s   

zGistIndex.get_with_paramsrE   r   r   r#   r   r
      s
    r
   c                       rN   )
r   hashNrO   c                   rQ   r   rR   rS   r#   r   r   r1      rT   zHashIndex.__init__c                    rU   rV   rW   r:   r#   r   r   r9      rX   zHashIndex.deconstructc                 C   rY   rZ   r\   rD   r   r   r   r      r]   zHashIndex.get_with_paramsrE   r   r   r#   r   r      r^   r   c                       sB   e Zd ZdZdd fdd
Z fddZdd	 Zd
d Z  ZS )r   ZspgistNrO   c                   rQ   r   rR   rS   r#   r   r   r1      rT   zSpGistIndex.__init__c                    rU   rV   rW   r:   r#   r   r   r9      rX   zSpGistIndex.deconstructc                 C   rY   rZ   r\   rD   r   r   r   r      r]   zSpGistIndex.get_with_paramsc                 C   s    | j r|jjjstdd S d S )Nz0Covering SP-GiST indexes require PostgreSQL 14+.)include
connectionfeaturesZ supports_covering_spgist_indexesr   r%   r   r   r   r      s   zSpGistIndex.check_supported)	r'   r(   r)   r   r1   r9   r   r   r*   r   r   r#   r   r      s    r   c                       s    e Zd ZdZ fddZ  ZS )OpClassz%(expressions)s %(name)sc                    s   t  j||d d S )N)name)r   r1   )r   Z
expressionrh   r#   r   r   r1      s   zOpClass.__init__)r'   r(   r)   templater1   r*   r   r   r#   r   rg      s    rg   N)Z	django.dbr   Zdjango.db.modelsr   r   Zdjango.utils.functionalr   __all__r   r   r   r   r	   r
   r   r   rg   r   r   r   r   <module>   s    )