一段mysql,查出符合条件的所有数据并作为单条数据返回

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$hbzt = $this->subject_data->field("GROUP_CONCAT( `data`SEPARATOR ',' ) AS data,merger_main,GROUP_CONCAT( `merger_child`SEPARATOR ',' ) AS merger_child")->where("apply_id = " . $v['id'])->find();

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转载自blog.csdn.net/youcijibi/article/details/88747967