o
    <gW!                     @   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   R/var/www/html/venv/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   kwargs	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$   r   r      s    
r   c                       s<   e Zd ZdZddd fdd
Z fddZd	d
 Z  ZS )r   bloomNr   )lengthcolumnsc                   s   t  j|i | t| jdkrtdt|ttfstdt|t| jkr,tdtdd |D s9td|d urOd|  k rJd	ksOtd
 td
|| _	|| _
d S )N    z-Bloom indexes support a maximum of 32 fields.z+BloomIndex.columns must be a list or tuple.z7BloomIndex.columns cannot have more values than fields.c                 s   s(    | ]}d |  k odkn  V  qdS )r   i  Nr   ).0colr   r   r   	<genexpr>8   s   & z&BloomIndex.__init__.<locals>.<genexpr>z8BloomIndex.columns must contain integers from 1 to 4095.r   i   z<BloomIndex.length must be None or an integer from 1 to 4096.)r   __init__r   fields
ValueError
isinstancelisttupleallr-   r.   )r   r-   r.   expressionsr!   r$   r   r   r3   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$   r   r   r;   C   s   



zBloomIndex.deconstructc                 C   sF   g }| j d ur|d| j   | jr!|dd t| jddD  |S )Nzlength = %dc                 s   s     | ]\}}d ||f V  qdS )z
col%d = %dNr   )r0   ivr   r   r   r2   P   s    
z-BloomIndex.get_with_params.<locals>.<genexpr>   )start)r-   appendr.   extend	enumerater   r#   r   r   r   r   K   s   

zBloomIndex.get_with_paramsr(   r)   r*   r   r3   r;   r   r+   r   r   r$   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   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)r5   rJ   rK   r   r3   )r   rJ   rK   r:   r!   r$   r   r   r3   Y   s
   zBrinIndex.__init__c                    B   t   \}}}| jd ur| j|d< | jd ur| j|d< |||fS )NrJ   rK   )r   r;   rJ   rK   r<   r$   r   r   r;   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)rJ   rC   rK   rF   r   r   r   r   j   s   

zBrinIndex.get_with_paramsrG   r   r   r$   r   r   V   s    	r   c                       rH   )
r   btreeN)
fillfactordeduplicate_itemsc                   "   || _ || _t j|i | d S r   )rR   rS   r   r3   )r   rR   rS   r:   r!   r$   r   r   r3   x      zBTreeIndex.__init__c                    rL   )NrR   rS   )r   r;   rR   rS   r<   r$   r   r   r;   }   rM   zBTreeIndex.deconstructc                 C   D   g }| j d ur|d| j   | jd ur |d| jrdnd  |S )Nfillfactor = %dzdeduplicate_items = %srO   rP   )rR   rC   rS   rF   r   r   r   r      s   

zBTreeIndex.get_with_paramsrG   r   r   r$   r   r   u   
    r   c                       rH   )
r	   ginN)
fastupdategin_pending_list_limitc                   rT   r   )rZ   r[   r   r3   )r   rZ   r[   r:   r!   r$   r   r   r3      s   zGinIndex.__init__c                    rL   )NrZ   r[   )r   r;   rZ   r[   r<   r$   r   r   r;      rM   zGinIndex.deconstructc                 C   rV   )Nzgin_pending_list_limit = %dzfastupdate = %srO   rP   )r[   rC   rZ   rF   r   r   r   r      s   

zGinIndex.get_with_paramsrG   r   r   r$   r   r	      s    r	   c                       rH   )
r
   gistN)	bufferingrR   c                   rT   r   )r]   rR   r   r3   )r   r]   rR   r:   r!   r$   r   r   r3      rU   zGistIndex.__init__c                    rL   )Nr]   rR   )r   r;   r]   rR   r<   r$   r   r   r;      rM   zGistIndex.deconstructc                 C   rN   )Nzbuffering = %srO   rP   rW   )r]   rC   rR   rF   r   r   r   r      s   

zGistIndex.get_with_paramsrG   r   r   r$   r   r
      rX   r
   c                       s:   e Zd ZdZdd fdd
Z fddZdd	 Z  ZS )
r   hashNrR   c                      || _ t j|i | d S r   rR   r   r3   r   rR   r:   r!   r$   r   r   r3         zHashIndex.__init__c                    .   t   \}}}| jd ur| j|d< |||fS NrR   r   r;   rR   r<   r$   r   r   r;         


zHashIndex.deconstructc                 C   "   g }| j d ur|d| j   |S NrW   rR   rC   rF   r   r   r   r         
zHashIndex.get_with_paramsrG   r   r   r$   r   r      s
    r   c                       sB   e Zd ZdZdd fdd
Z fddZdd	 Zd
d Z  ZS )r   spgistNr_   c                   r`   r   ra   rb   r$   r   r   r3      rc   zSpGistIndex.__init__c                    rd   re   rf   r<   r$   r   r   r;      rg   zSpGistIndex.deconstructc                 C   rh   ri   rj   rF   r   r   r   r      rk   zSpGistIndex.get_with_paramsc                 C   s    | j r|jjjstdd S d S )Nz0Covering SP-GiST indexes require PostgreSQL 14+.)include
connectionfeatures supports_covering_spgist_indexesr   r&   r   r   r   r      s   zSpGistIndex.check_supported)	r(   r)   r*   r   r3   r;   r   r   r+   r   r   r$   r   r      s    r   c                       s$   e Zd ZdZdZ fddZ  ZS )OpClassz%(expressions)s %(name)sFc                    s   t  j||d d S )N)name)r   r3   )r   
expressionrr   r$   r   r   r3      s   zOpClass.__init__)r(   r)   r*   template constraint_validation_compatibler3   r+   r   r   r$   r   rq      s    rq   N)	django.dbr   django.db.modelsr   r   django.utils.functionalr   __all__r   r   r   r   r	   r
   r   r   rq   r   r   r   r   <module>   s    )