U
    f                     @   s   d dl mZmZmZ dddddddd	d
dddgZG dd deZG dd deZG dd deZG dd deZG dd deZ	G dd deZ
G dd deZG dd deZG dd	 d	eZG dd
 d
eZG dd deZG dd deZdS )    )	Aggregate
FloatFieldIntegerFieldCovarPopCorrRegrAvgXRegrAvgY	RegrCountRegrInterceptRegrR2	RegrSlopeRegrSXXRegrSXYRegrSYYStatAggregatec                       s$   e Zd Ze Zd fdd	Z  ZS )r   Nc                    s*   |r|st dt j|||||d d S )NzBoth y and x must be provided.)output_fieldfilterdefault)
ValueErrorsuper__init__)selfyxr   r   r   	__class__ Q/tmp/pip-unpacked-wheel-_jot26k8/django/contrib/postgres/aggregates/statistics.pyr      s        zStatAggregate.__init__)NNN)__name__
__module____qualname__r   r   r   __classcell__r   r   r   r   r      s   c                   @   s   e Zd ZdZdS )r   ZCORRNr   r   r    functionr   r   r   r   r      s   c                       s   e Zd Zd fdd	Z  ZS )r   FNc                    s&   |rdnd| _ t j||||d d S )NZ
COVAR_SAMPZ	COVAR_POP)r   r   )r#   r   r   )r   r   r   sampler   r   r   r   r   r   #   s    zCovarPop.__init__)FNN)r   r   r    r   r!   r   r   r   r   r   "   s   c                   @   s   e Zd ZdZdS )r   Z	REGR_AVGXNr"   r   r   r   r   r   (   s   c                   @   s   e Zd ZdZdS )r   Z	REGR_AVGYNr"   r   r   r   r   r   ,   s   c                   @   s   e Zd ZdZe ZdZdS )r	   Z
REGR_COUNTr   N)r   r   r    r#   r   r   Zempty_result_set_valuer   r   r   r   r	   0   s   c                   @   s   e Zd ZdZdS )r
   ZREGR_INTERCEPTNr"   r   r   r   r   r
   6   s   c                   @   s   e Zd ZdZdS )r   ZREGR_R2Nr"   r   r   r   r   r   :   s   c                   @   s   e Zd ZdZdS )r   Z
REGR_SLOPENr"   r   r   r   r   r   >   s   c                   @   s   e Zd ZdZdS )r   ZREGR_SXXNr"   r   r   r   r   r   B   s   c                   @   s   e Zd ZdZdS )r   ZREGR_SXYNr"   r   r   r   r   r   F   s   c                   @   s   e Zd ZdZdS )r   ZREGR_SYYNr"   r   r   r   r   r   J   s   N)Zdjango.db.modelsr   r   r   __all__r   r   r   r   r   r	   r
   r   r   r   r   r   r   r   r   r   <module>   s2   