a
    Kcòf†  ã                   @   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ƒZdS )é    )Úmodels)Ú
WKTAdapter)ÚBaseSpatialOperations)ÚSpatialOperator)ÚGEOSGeometryBase)Úwkb_r)ÚDistance)ÚDatabaseOperations)Úcached_propertyc                   @   sš   e Zd ZdZdZeZedd„ ƒZedd„ ƒZ	edd„ ƒZ
ed	d
„ ƒZedd„ ƒZejejejejejfZdddœZedd„ ƒZdd„ Zdd„ Zdd„ ZdS )ÚMySQLOperationsÚmysqlZST_c                 C   s   | j jS ©N©Ú
connectionÚmysql_is_mariadb©Úself© r   úl/home/httpd/docs/test/DocsMgr/lib/python3.9/site-packages/django/contrib/gis/db/backends/mysql/operations.pyÚ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)©Úgeom_func_prefixr   r   r   r   Úselect   s    zMySQLOperations.selectc                 C   s
   | j d S )NZGeomFromTextr   r   r   r   r   Ú	from_text   s    zMySQLOperations.from_textc                 C   sˆ   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œ}| jjr„t dd�|d< |S )NZMBRContains)ÚfuncZMBROverlapsZ	MBRWithinZST_ContainsZ
ST_CrossesZST_DisjointZ	ST_EqualsZST_IntersectsZST_OverlapsZ
ST_TouchesZ	ST_Within)Z
bbcontainsZ
bboverlapsÚ	containedÚcontainsZcrossesZdisjointÚequalsÚexactZ
intersectsÚoverlapsZsame_asZtouchesZwithinZ	ST_RelateZrelate)r   r   r   )r   Ú	operatorsr   r   r   Úgis_operators"   s&    ÿñzMySQLOperations.gis_operatorsZST_GeomFromWKBZST_GeomFromText)ZFromWKBZFromWKTc                 C   s,   h d£}| j jr(| d¡ | ddh¡ |S )N>   ZIsEmptyZ	PerimeterZBoundingCircleZGeometryDistanceZAsGMLZ	TranslateZScaleZLineLocatePointZ
SnapToGridZAsSVGZMemSizeZForcePolygonCWZAzimuthZAsKMLZ	TransformZ	MakeValidÚPointOnSurfaceZReverser"   ZGeoHashZIsValid)r   r   ÚremoveÚupdate)r   Úunsupportedr   r   r   Úunsupported_functionsF   s
    
z%MySQLOperations.unsupported_functionsc                 C   s   |j S r   )Z	geom_type)r   Úfr   r   r   Úgeo_db_typea   s    zMySQLOperations.geo_db_typec                 C   sJ   |d }t |tƒr@| | j¡r&tdƒ‚t|t | | j¡¡ƒ}n|}|gS )Nr   zMOnly numeric values of degree units are allowed on geodetic distance queries.)Ú
isinstancer   Zgeodeticr   Ú
ValueErrorÚgetattrZunit_attnameZ
units_name)r   r'   ÚvalueZlookup_typeZ
dist_paramr   r   r   Úget_distanced   s    
ÿÿzMySQLOperations.get_distancec                    s8   t ƒ j‰|jj‰ˆdkrd ‰|jj‰ ‡ ‡‡fdd„}|S )Néÿÿÿÿc                    s,   | d ur(t ˆt| ƒƒˆ ƒ}ˆr$ˆ|_|S d S r   )r   Ú
memoryviewÚsrid)r,   Ú
expressionr   Zgeom©Ú
geom_classÚreadr0   r   r   Ú	converterz   s
    z9MySQLOperations.get_geometry_converter.<locals>.converter)r   r4   Zoutput_fieldr0   r3   )r   r1   r5   r   r2   r   Úget_geometry_converters   s    z&MySQLOperations.get_geometry_converterN)Ú__name__Ú
__module__Ú__qualname__Únamer   r   ZAdapterr
   r   r   r   r   r!   r   ZCollectZExtentZExtent3DZMakeLineÚUnionZdisallowed_aggregatesZfunction_namesr&   r(   r-   r6   r   r   r   r   r      s6   




û	þ
r   N)Zdjango.contrib.gis.dbr   Z+django.contrib.gis.db.backends.base.adapterr   Z.django.contrib.gis.db.backends.base.operationsr   Z$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   Ú<module>   s   