a
    ‘ÐOc‚  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                   @   s�   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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   úf/var/www/html/gsl.tools/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
bboverlapsZ	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_operatorsc                 C   sH   h d£}| j jr*| d¡ | ddh¡ n| j jdk rD| h d£¡ |S )N>   ZAsSVGÚPointOnSurfaceZ	PerimeterZAzimuthZ
SnapToGridZGeometryDistanceZBoundingCircleZScaleZAsGMLZ	TranslateZ	MakeValidZMemSizeZLineLocatePointZReverseZAsKMLZ	TransformZForcePolygonCWr!   ÚGeoHashÚIsValid)é   é   r$   >   r"   Z	AsGeoJSONr#   )r   r   ÚremoveÚupdateZmysql_version)r   Úunsupportedr   r   r   Úunsupported_functionsA   s    
z%MySQLOperations.unsupported_functionsc                 C   s   |j S r   )Z	geom_type)r   Úfr   r   r   Úgeo_db_type]   s    zMySQLOperations.geo_db_typec                 C   sJ   |d }t |tƒr@| | j¡r&tdƒ‚t|t | | j¡¡ƒ}n|}|gS )Nr   zMOnly numeric values of degree units are allowed on geodetic distance queries.)Ú
isinstancer   Zgeodeticr   Ú
ValueErrorÚgetattrZunit_attnameZ
units_name)r   r*   ÚvalueZlookup_typeZ
dist_paramr   r   r   Úget_distance`   s    
ÿÿzMySQLOperations.get_distancec                    s8   t ƒ j‰|jj‰ˆdkrd ‰|jj‰ ‡ ‡‡fdd„}|S )Néÿÿÿÿc                    s,   | d ur(t ˆt| ƒƒˆ ƒ}ˆr$ˆ|_|S d S r   )r   Ú
memoryviewÚsrid)r/   Ú
expressionr   Zgeom©Ú
geom_classÚreadr3   r   r   Ú	converterv   s
    z9MySQLOperations.get_geometry_converter.<locals>.converter)r   r7   Zoutput_fieldr3   r6   )r   r4   r8   r   r5   r   Úget_geometry_convertero   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_aggregatesr)   r+   r0   r9   r   r   r   r   r      s0   




û
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   