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@@ -170,7 +170,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
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e.exam_id,
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q.*
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FROM
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- ( SELECT exam_id, group_concat( do_question_ids ) AS ids FROM user_exam_record WHERE user_id = #{userId} AND order_goods_id = #{orderGoodsId} and `status` = 1 GROUP BY exam_id ) e
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+ ( SELECT exam_id, group_concat( do_question_ids ) AS ids FROM user_exam_record WHERE user_id = #{userId} AND order_goods_id = #{orderGoodsId} and do_question_ids is not null and `status` = 1 GROUP BY exam_id ) e
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LEFT JOIN question q ON FIND_IN_SET( q.question_id, e.ids )) AS eq
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</select>
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