o
    g                     @   sJ   d dl Z d dlmZ d dlmZ d dlmZ e dZG dd deZ	dS )    N)GeometryField)OperationalError)DatabaseSchemaEditorzdjango.contrib.gisc                       sz   e Zd ZdZ fddZ fddZ fddZd fd	d
	Z fddZ fddZ	 fddZ
dd Zdd Z  ZS )MySQLGISSchemaEditorz7CREATE SPATIAL INDEX %(index)s ON %(table)s(%(column)s)c                    s   t  j|i | g | _d S N)super__init__geometry_sql)selfargskwargs	__class__ d/var/www/eggtrainer/venv/lib/python3.10/site-packages/django/contrib/gis/db/backends/mysql/schema.pyr      s   
zMySQLGISSchemaEditor.__init__c                    s    t |tr
| js
dS t |S )NT)
isinstancer   $_supports_limited_data_type_defaultsr   skip_default)r
   fieldr   r   r   r      s   z!MySQLGISSchemaEditor.skip_defaultc                    s,   t || jjjrt t|S t |S r   )r   
connectionopsAdapterr   quote_valuestr)r
   valuer   r   r   r      s   z MySQLGISSchemaEditor.quote_valueFc                    sl   t  |||}t|tr4|jr4|js4| jjj}|j	j
}| j| j|| ||||||jd  |S )N)indextablecolumn)r   
column_sqlr   r   spatial_indexnullr   r   
quote_name_metadb_tabler	   appendsql_add_spatial_index_create_spatial_index_namer   )r
   modelr   include_defaultr   qnr#   r   r   r   r       s   
zMySQLGISSchemaEditor.column_sqlc                    s   t  | |   d S r   )r   create_modelcreate_spatial_indexes)r
   r'   r   r   r   r*   0   s   z!MySQLGISSchemaEditor.create_modelc                    s   t  || |   d S r   )r   	add_fieldr+   r
   r'   r   r   r   r   r,   4   s   zMySQLGISSchemaEditor.add_fieldc                    sn   t |tr.|jr.|js.| ||}| ||}z| | W n ty-   t	d| Y nw t
 || d S )Nz`Couldn't remove spatial index: %s (may be expected if your storage engine doesn't support them).)r   r   r   r    r&   _delete_index_sqlexecuter   loggererrorr   remove_field)r
   r'   r   
index_namesqlr   r   r   r2   8   s   z!MySQLGISSchemaEditor.remove_fieldc                 C   s   d|j j|jf S )Nz%s_%s_id)r"   r#   r   r-   r   r   r   r&   G   s   z/MySQLGISSchemaEditor._create_spatial_index_namec              	   C   sH   | j D ]}z| | W q ty   td| d Y qw g | _ d S )NzCannot create SPATIAL INDEX z-. Only MyISAM, Aria, and InnoDB support them.)r	   r/   r   r0   r1   )r
   r4   r   r   r   r+   J   s   


z+MySQLGISSchemaEditor.create_spatial_indexes)F)__name__
__module____qualname__r%   r   r   r   r   r*   r,   r2   r&   r+   __classcell__r   r   r   r   r   
   s    
r   )
loggingdjango.contrib.gis.db.modelsr   	django.dbr   django.db.backends.mysql.schemar   	getLoggerr0   r   r   r   r   r   <module>   s    
