o
    e                     @   s   d dl mZ d dlmZ d dlmZ d dlmZ d dl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eZdS )    )models)
WKTAdapter)BaseSpatialOperations)SpatialOperator)GEOSGeometryBase)wkb_r)Distance)DatabaseOperations)cached_propertyc                   @   s   e Zd ZdZdZeZedd Zedd Z	edd Z
ed	d
 Zedd ZejejejejejfZdddZedd Zdd Zdd Zdd ZdS )MySQLOperationsmysqlST_c                 C   s   | j jS N
connectionmysql_is_mariadbself r   b/var/www/html/venv/lib/python3.10/site-packages/django/contrib/gis/db/backends/mysql/operations.pymariadb   s   zMySQLOperations.mariadbc                 C   s
   | j j S r   r   r   r   r   r   r         
zMySQLOperations.mysqlc                 C   
   | j d S )NzAsBinary(%s)geom_func_prefixr   r   r   r   select   r   zMySQLOperations.selectc                 C   r   )NGeomFromTextr   r   r   r   r   	from_text   r   zMySQLOperations.from_textc                 C   s   t ddt ddt ddt ddt ddt ddt ddt ddt d	dt d
dt ddt ddt ddd}| jjrBt dd|d< |S )NMBRContains)funcMBROverlaps	MBRWithinST_Contains
ST_CrossesST_Disjoint	ST_EqualsST_IntersectsST_Overlaps
ST_Touches	ST_Within)
bbcontains
bboverlaps	containedcontainscrossesdisjointequalsexact
intersectsoverlapssame_astoucheswithin	ST_Relaterelate)r   r   r   )r   	operatorsr   r   r   gis_operators"   s&   zMySQLOperations.gis_operatorsST_GeomFromWKBST_GeomFromText)FromWKBFromWKTc                 C   s,   h d}| j jr|d |ddh |S )N>   AsGMLAsKMLAsSVGScaleAzimuthIsEmptyMemSizeReverse	MakeValid	Perimeter	Transform	Translate
SnapToGridClosestPointBoundingCircleForcePolygonCWPointOnSurfaceLineLocatePointGeometryDistancerO   GeoHashIsValid)r   r   removeupdate)r   unsupportedr   r   r   unsupported_functionsF   s
   
z%MySQLOperations.unsupported_functionsc                 C   s   |j S r   )	geom_type)r   fr   r   r   geo_db_typeb   s   zMySQLOperations.geo_db_typec                 C   sN   |d }t |tr"|| jrtdt|t|| j}|gS |}|gS )Nr   zMOnly numeric values of degree units are allowed on geodetic distance queries.)
isinstancer   geodeticr   
ValueErrorgetattrunit_attname
units_name)r   rY   valuelookup_type
dist_paramr   r   r   get_distancee   s   
zMySQLOperations.get_distancec                    s8   t  j|jjdkrd |jj  fdd}|S )Nc                    s,   | d urt t|  }r|_|S d S r   )r   
memoryviewsrid)ra   
expressionr   geom
geom_classreadrg   r   r   	converter{   s   z9MySQLOperations.get_geometry_converter.<locals>.converter)r   rl   output_fieldrg   rk   )r   rh   rm   r   rj   r   get_geometry_convertert   s   z&MySQLOperations.get_geometry_converterN)__name__
__module____qualname__namer   r   Adapterr
   r   r   r   r   r:   r   CollectExtentExtent3DMakeLineUniondisallowed_aggregatesfunction_namesrW   rZ   rd   ro   r   r   r   r   r      s8    




	
r   N)django.contrib.gis.dbr   +django.contrib.gis.db.backends.base.adapterr   .django.contrib.gis.db.backends.base.operationsr   $django.contrib.gis.db.backends.utilsr    django.contrib.gis.geos.geometryr   %django.contrib.gis.geos.prototypes.ior   django.contrib.gis.measurer   #django.db.backends.mysql.operationsr	   django.utils.functionalr
   r   r   r   r   r   <module>   s    