SELECT * FROM tb_scrap_record INNER JOIN (
SELECT MAX(id) AS max_id FROM tb_scrap_record GROUP BY device_id) AS t_max
ON t_max.max_id=tb_scrap_record.id
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SELECT * FROM tb_scrap_record INNER JOIN (
SELECT MAX(id) AS max_id FROM tb_scrap_record GROUP BY device_id) AS t_max
ON t_max.max_id=tb_scrap_record.id
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