U
    f                     @   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mysqlZST_c                 C   s   | j jS N
connectionmysql_is_mariadbself r   S/tmp/pip-unpacked-wheel-_jot26k8/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      s    zMySQLOperations.mysqlc                 C   s
   | j d S )NzAsBinary(%s)geom_func_prefixr   r   r   r   select   s    zMySQLOperations.selectc                 C   s
   | j d S )NZGeomFromTextr   r   r   r   r   	from_text   s    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rt dd|d< |S )NZMBRContains)funcZMBROverlapsZ	MBRWithinZST_ContainsZ
ST_CrossesZST_DisjointZ	ST_EqualsZST_IntersectsZST_OverlapsZ
ST_TouchesZ	ST_Within)Z
bbcontainsZ
bboverlapsZ	containedcontainsZcrossesZdisjointequalsexactZ
intersectsoverlapsZsame_asZtouchesZwithinZ	ST_RelateZrelate)r   r   r   )r   	operatorsr   r   r   gis_operators"   s&    zMySQLOperations.gis_operatorsZST_GeomFromWKBZST_GeomFromText)ZFromWKBZFromWKTc                 C   sL   ddddddddd	d
ddddddddh}| j jrH|d |ddh |S )NZAsGMLZAsKMLZAsSVGZAzimuthZBoundingCircleZForcePolygonCWZGeometryDistanceZIsEmptyZLineLocatePointZ	MakeValidZMemSizeZ	PerimeterZPointOnSurfaceZReverseZScaleZ
SnapToGridZ	TransformZ	TranslateZGeoHashZIsValid)r   r   removeupdate)r   unsupportedr   r   r   unsupported_functionsF   s.    
z%MySQLOperations.unsupported_functionsc                 C   s   |j S r   )Z	geom_type)r   fr   r   r   geo_db_typea   s    zMySQLOperations.geo_db_typec                 C   sJ   |d }t |tr@|| jr&tdt|t|| j}n|}|gS )Nr   zMOnly numeric values of degree units are allowed on geodetic distance queries.)
isinstancer   Zgeodeticr   
ValueErrorgetattrZunit_attnameZ
units_name)r   r%   valueZlookup_typeZ
dist_paramr   r   r   get_distanced   s    
 zMySQLOperations.get_distancec                    s8   t  j|jjdkrd |jj  fdd}|S )Nc                    s,   | d k	r(t t|  }r$|_|S d S r   )r   
memoryviewsrid)r*   
expressionr   Zgeom
geom_classreadr.   r   r   	converterz   s
    z9MySQLOperations.get_geometry_converter.<locals>.converter)r   r2   Zoutput_fieldr.   r1   )r   r/   r3   r   r0   r   get_geometry_converters   s    z&MySQLOperations.get_geometry_converterN)__name__
__module____qualname__namer   r   ZAdapterr
   r   r   r   r   r    r   ZCollectZExtentZExtent3DZMakeLineUnionZdisallowed_aggregatesZfunction_namesr$   r&   r+   r4   r   r   r   r   r      s6   




	
r   N)Zdjango.contrib.gis.dbr   Z+django.contrib.gis.db.backends.base.adapterr   Z.django.contrib.gis.db.backends.base.operationsr   Z$django.contrib.gis.db.backends.utilsr   Z django.contrib.gis.geos.geometryr   Z%django.contrib.gis.geos.prototypes.ior   Zdjango.contrib.gis.measurer   Z#django.db.backends.mysql.operationsr	   Zdjango.utils.functionalr
   r   r   r   r   r   <module>   s   