U
    m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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-siwebuq3/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_operatorsc                 C   sh   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 n| j jdk rd|dddh |S )NZAsGMLZAsKMLZAsSVGZAzimuthZBoundingCircleZForcePolygonCWZGeometryDistanceZLineLocatePointZ	MakeValidZMemSizeZ	PerimeterZPointOnSurfaceZReverseZScaleZ
SnapToGridZ	TransformZ	TranslateZGeoHashZIsValid)      r!   Z	AsGeoJSON)r   r   removeupdateZmysql_version)r   unsupportedr   r   r   unsupported_functionsA   s0    
z%MySQLOperations.unsupported_functionsc                 C   s   |j S r   )Z	geom_type)r   fr   r   r   geo_db_type]   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_distance`   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$|_|S d S r   )r   
memoryviewsrid)r,   
expressionr   Zgeom
geom_classreadr0   r   r   	converterv   s
    z9MySQLOperations.get_geometry_converter.<locals>.converter)r   r4   Zoutput_fieldr0   r3   )r   r1   r5   r   r2   r   get_geometry_convertero   s    z&MySQLOperations.get_geometry_converterN)__name__
__module____qualname__namer   r   ZAdapterr
   r   r   r   r   r    r   ZCollectZExtentZExtent3DZMakeLineUnionZdisallowed_aggregatesr&   r(   r-   r6   r   r   r   r   r      s0   





r   N)Zdjango.contrib.gis.dbr   Z+django.contrib.gis.db.backends.base.adapterr   Z.django.contrib.gis.db.backends.base.operationsr   Z$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   