o
    `Zh-                     @   sf  d dl mZmZmZ d dlmZmZ d dlmZm	Z	m
Z
 d dlmZ d dlm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G dd dZG dd dee	ZG dd dee
ZG dd deZG d d! d!eZG d"d# d#eZG d$d% d%eZG d&d' d'eZd(S ))    )get_citext_oidsget_hstore_oidsregister_type_handlers)NotSupportedErrorrouter)AddConstraintAddIndexRemoveIndex)	Operation)CheckConstraintc                   @   sL   e Zd ZdZdd Zdd Zdd Zdd	 Zd
d Zdd Z	e
dd ZdS )CreateExtensionTc                 C   s
   || _ d S Nname)selfr    r   Y/var/www/html/lang_env/lib/python3.10/site-packages/django/contrib/postgres/operations.py__init__      
zCreateExtension.__init__c                 C      d S r   r   r   	app_labelstater   r   r   state_forwards      zCreateExtension.state_forwardsc                 C   s   |j jdkst|j j|sd S | || js"|d|| j  t	
  t
  t|j  t|j dr@|j |j j d d S d S )N
postgresqlz!CREATE EXTENSION IF NOT EXISTS %sregister_geometry_adaptersT)
connectionvendorr   allow_migratealiasextension_existsr   execute
quote_namer   cache_clearr   r   hasattrr   r   r   schema_editor
from_stateto_stater   r   r   database_forwards   s$   

z!CreateExtension.database_forwardsc                 C   sL   t |jj|s
d S | || jr|d|| j  t	  t
	  d S )NzDROP EXTENSION IF EXISTS %s)r   r   r   r    r!   r   r"   r#   r   r$   r   r&   r   r   r   database_backwards+   s   z"CreateExtension.database_backwardsc                 C   sH   |j  }|d|g t| W  d    S 1 sw   Y  d S )Nz-SELECT 1 FROM pg_extension WHERE extname = %s)r   cursorr"   boolZfetchone)r   r'   	extensionr,   r   r   r   r!   6   s   
$z CreateExtension.extension_existsc                 C   
   d| j  S )NzCreates extension %sr   r   r   r   r   describe>   r   zCreateExtension.describec                 C   r/   )Nzcreate_extension_%sr   r0   r   r   r   migration_name_fragmentA   s   
z'CreateExtension.migration_name_fragmentN)__name__
__module____qualname__Z
reversibler   r   r*   r+   r!   r1   propertyr2   r   r   r   r   r      s    r   c                   @      e Zd Zdd ZdS )BloomExtensionc                 C   
   d| _ d S )NZbloomr   r0   r   r   r   r   G   r   zBloomExtension.__init__Nr3   r4   r5   r   r   r   r   r   r8   F       r8   c                   @   r7   )BtreeGinExtensionc                 C   r9   )NZ	btree_ginr   r0   r   r   r   r   L   r   zBtreeGinExtension.__init__Nr:   r   r   r   r   r<   K   r;   r<   c                   @   r7   )BtreeGistExtensionc                 C   r9   )NZ
btree_gistr   r0   r   r   r   r   Q   r   zBtreeGistExtension.__init__Nr:   r   r   r   r   r=   P   r;   r=   c                   @   r7   )CITextExtensionc                 C   r9   )NZcitextr   r0   r   r   r   r   V   r   zCITextExtension.__init__Nr:   r   r   r   r   r>   U   r;   r>   c                   @   r7   )CryptoExtensionc                 C   r9   )NZpgcryptor   r0   r   r   r   r   [   r   zCryptoExtension.__init__Nr:   r   r   r   r   r?   Z   r;   r?   c                   @   r7   )HStoreExtensionc                 C   r9   )NZhstorer   r0   r   r   r   r   `   r   zHStoreExtension.__init__Nr:   r   r   r   r   r@   _   r;   r@   c                   @   r7   )TrigramExtensionc                 C   r9   )NZpg_trgmr   r0   r   r   r   r   e   r   zTrigramExtension.__init__Nr:   r   r   r   r   rA   d   r;   rA   c                   @   r7   )UnaccentExtensionc                 C   r9   )NZunaccentr   r0   r   r   r   r   j   r   zUnaccentExtension.__init__Nr:   r   r   r   r   rB   i   r;   rB   c                   @   r7   )NotInTransactionMixinc                 C   s   |j jrtd| jj d S )Nz_The %s operation cannot be executed inside a transaction (set atomic = False on the migration).)r   Zin_atomic_blockr   	__class__r3   r   r'   r   r   r   _ensure_not_in_transactiono   s   z0NotInTransactionMixin._ensure_not_in_transactionN)r3   r4   r5   rF   r   r   r   r   rC   n   r;   rC   c                   @   ,   e Zd ZdZdZdd Zdd Zdd Zd	S )
AddIndexConcurrentlyzDCreate an index using PostgreSQL's CREATE INDEX CONCURRENTLY syntax.Fc                 C   s   d| j jd| j j| jf S )Nz7Concurrently create index %s on field(s) %s of model %s, )indexr   joinfields
model_namer0   r   r   r   r1   |   s
   zAddIndexConcurrently.describec                 C   sD   |  | |j|| j}| |jj|r |j|| jdd d S d S NT)Zconcurrently)	rF   apps	get_modelrM   allow_migrate_modelr   r    	add_indexrJ   r   r   r'   r(   r)   modelr   r   r   r*      
   
z&AddIndexConcurrently.database_forwardsc                 C   sD   |  | |j|| j}| |jj|r |j|| jdd d S d S rN   )	rF   rO   rP   rM   rQ   r   r    remove_indexrJ   rS   r   r   r   r+      rU   z'AddIndexConcurrently.database_backwardsNr3   r4   r5   __doc__Zatomicr1   r*   r+   r   r   r   r   rH   w   s    rH   c                   @   rG   )
RemoveIndexConcurrentlyzBRemove an index using PostgreSQL's DROP INDEX CONCURRENTLY syntax.Fc                 C      d| j | jf S )Nz$Concurrently remove index %s from %sr   rM   r0   r   r   r   r1         z RemoveIndexConcurrently.describec                 C   s^   |  | |j|| j}| |jj|r-|j|| jf }|	| j
}|j||dd d S d S rN   )rF   rO   rP   rM   rQ   r   r    modelsmodel_name_lowerget_index_by_namer   rV   )r   r   r'   r(   r)   rT   Zfrom_model_staterJ   r   r   r   r*         
z)RemoveIndexConcurrently.database_forwardsc                 C   s^   |  | |j|| j}| |jj|r-|j|| jf }|	| j
}|j||dd d S d S rN   )rF   rO   rP   rM   rQ   r   r    r]   r^   r_   r   rR   )r   r   r'   r(   r)   rT   Zto_model_staterJ   r   r   r   r+      r`   z*RemoveIndexConcurrently.database_backwardsNrW   r   r   r   r   rY      s    rY   c                   @   s<   e Zd ZdddddZdd Zdd	 Zd
d Zdd ZdS )CollationOperationlibcT)providerdeterministicc                C   s   || _ || _|| _|| _d S r   )r   localerc   rd   )r   r   re   rc   rd   r   r   r   r      s   
zCollationOperation.__init__c                 C   r   r   r   r   r   r   r   r      r   z!CollationOperation.state_forwardsc                 C   sJ   | j | jd}| jr| jdkr| j|d< | jdu r| j|d< | jjg |fS )N)r   re   rb   rc   Frd   )r   re   rc   rd   rD   r5   )r   kwargsr   r   r   deconstruct   s   


zCollationOperation.deconstructc              	   C   sp   d| | ji}| jdkr| | j|d< | jdu rd|d< |d| | jdd	d
 | D d  d S )Nre   rb   rc   Ffalserd   z$CREATE COLLATION %(name)s (%(args)s)rI   c                 s   s"    | ]\}}| d | V  qdS )=Nr   ).0optionvaluer   r   r   	<genexpr>   s    
z6CollationOperation.create_collation.<locals>.<genexpr>)r   args)r#   re   rc   rd   r"   r   rK   items)r   r'   rn   r   r   r   create_collation   s   



z#CollationOperation.create_collationc                 C   s   | d|| j  d S )NzDROP COLLATION %s)r"   r#   r   rE   r   r   r   remove_collation   s   z#CollationOperation.remove_collationN)r3   r4   r5   r   r   rg   rp   rq   r   r   r   r   ra      s    ra   c                   @   4   e Zd ZdZdd Zdd Zdd Zedd	 Zd
S )CreateCollationzCreate a collation.c                 C   .   |j jdkst|j j|sd S | | d S Nr   )r   r   r   r   r    rp   r&   r   r   r   r*      
   z!CreateCollation.database_forwardsc                 C   "   t |jj|s
d S | | d S r   )r   r   r   r    rq   r&   r   r   r   r+         z"CreateCollation.database_backwardsc                 C      d| j  S )NzCreate collation r   r0   r   r   r   r1         zCreateCollation.describec                 C      d| j   S )Nzcreate_collation_%sr   lowerr0   r   r   r   r2         z'CreateCollation.migration_name_fragmentN	r3   r4   r5   rX   r*   r+   r1   r6   r2   r   r   r   r   rs          rs   c                   @   rr   )RemoveCollationzRemove a collation.c                 C   rt   ru   )r   r   r   r   r    rq   r&   r   r   r   r*      rv   z!RemoveCollation.database_forwardsc                 C   rw   r   )r   r   r   r    rp   r&   r   r   r   r+      rx   z"RemoveCollation.database_backwardsc                 C   ry   )NzRemove collation r   r0   r   r   r   r1      rz   zRemoveCollation.describec                 C   r{   )Nzremove_collation_%sr|   r0   r   r   r   r2      r~   z'RemoveCollation.migration_name_fragmentNr   r   r   r   r   r      r   r   c                       s@   e Zd ZdZ fddZdd Zdd Ze fdd	Z  Z	S )
AddConstraintNotValidzg
    Add a table constraint without enforcing validation, using PostgreSQL's
    NOT VALID syntax.
    c                    s$   t |ts	tdt || d S )Nz<AddConstraintNotValid.constraint must be a check constraint.)
isinstancer   	TypeErrorsuperr   )r   rM   
constraintrD   r   r   r   	  s
   
zAddConstraintNotValid.__init__c                 C   s   d| j j| jf S )Nz*Create not valid constraint %s on model %s)r   r   rM   r0   r   r   r   r1     s   zAddConstraintNotValid.describec                 C   sT   |j || j}| |jj|r&| j||}|r(|jt	|d d d d S d S d S )Nz
 NOT VALID)params)
rO   rP   rM   rQ   r   r    r   Z
create_sqlr"   str)r   r   r'   r(   r)   rT   Zconstraint_sqlr   r   r   r*     s   z'AddConstraintNotValid.database_forwardsc                    s   t  jd S )NZ
_not_valid)r   r2   r0   r   r   r   r2      s   z-AddConstraintNotValid.migration_name_fragment)
r3   r4   r5   rX   r   r1   r*   r6   r2   __classcell__r   r   r   r   r     s    
r   c                   @   sL   e Zd ZdZdd Zdd Zdd Zdd	 Zd
d Ze	dd Z
dd ZdS )ValidateConstraintz&Validate a table NOT VALID constraint.c                 C   s   || _ || _d S r   rM   r   )r   rM   r   r   r   r   r   (  s   
zValidateConstraint.__init__c                 C   rZ   )Nz"Validate constraint %s on model %sr[   r0   r   r   r   r1   ,  r\   zValidateConstraint.describec                 C   sL   |j || j}| |jj|r$|d||jj	|| j
f  d S d S )Nz%ALTER TABLE %s VALIDATE CONSTRAINT %s)rO   rP   rM   rQ   r   r    r"   r#   _metaZdb_tabler   rS   r   r   r   r*   /  s   
z$ValidateConstraint.database_forwardsc                 C   r   r   r   r&   r   r   r   r+   :  s   z%ValidateConstraint.database_backwardsc                 C   r   r   r   r   r   r   r   r   >  r   z!ValidateConstraint.state_forwardsc                 C   s   d| j  | j f S )Nz%s_validate_%s)rM   r}   r   r0   r   r   r   r2   A  s   z*ValidateConstraint.migration_name_fragmentc                 C   s   | j jg | j| jdfS )Nr   )rD   r3   rM   r   r0   r   r   r   rg   E  s   zValidateConstraint.deconstructN)r3   r4   r5   rX   r   r1   r*   r+   r   r6   r2   rg   r   r   r   r   r   %  s    
r   N) Zdjango.contrib.postgres.signalsr   r   r   Z	django.dbr   r   Zdjango.db.migrationsr   r   r	   Z$django.db.migrations.operations.baser
   Zdjango.db.models.constraintsr   r   r8   r<   r=   r>   r?   r@   rA   rB   rC   rH   rY   ra   rs   r   r   r   r   r   r   r   <module>   s,    :	,"