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    dª/eÀ  ã                   @   s   d dl Zd dlZdd„ ZdS )é    Nc                 #   sn   | D ](}t |tjtjfƒstd t|ƒ¡ƒ‚q‡ fdd„| D ƒ}dd„ |D ƒ}tdd„ |D ƒƒsbqj|V  q@d S )Nz?Unsupported column type: {}. ndarray/DatetimeIndex is expected.c                    s6   g | ].}t t|ƒˆ kr*t |t|ƒˆ  ¡n|gƒ‘qS © )ÚiterÚlenÚnpZarray_split)Ú.0Úc©Únr   úC/tmp/pip-unpacked-wheel-mds_o03w/clickhouse_driver/numpy/helpers.pyÚ
<listcomp>   s   ÿz!column_chunks.<locals>.<listcomp>c                 S   s   g | ]}t |g ƒ‘qS r   )Únext)r   Úcolumnr   r   r
   r      s     c                 s   s   | ]}t |ƒV  qd S )N)r   )r   Úxr   r   r
   Ú	<genexpr>   s     z column_chunks.<locals>.<genexpr>)	Ú
isinstancer   ZndarrayÚpdZDatetimeIndexÚ	TypeErrorÚformatÚtypeÚany)Úcolumnsr	   r   ÚchunkedÚitemr   r   r
   Úcolumn_chunks   s    þÿ
þr   )Znumpyr   Zpandasr   r   r   r   r   r
   Ú<module>   s   