| | |
| | | <delete id="removeBySubjectId"> |
| | | delete from exam_subject_option where subject_choices_id = #{id} |
| | | </delete> |
| | | |
| | | <select id="getExamSubjectChoicesList" resultType="java.lang.String" > |
| | | SELECT id FROM ( SELECT * FROM exam_subject_choices WHERE choices_type = 0 ORDER BY RAND( ) LIMIT 50 ) a UNION ALL |
| | | SELECT id FROM ( SELECT * FROM exam_subject_choices WHERE choices_type = 1 ORDER BY RAND( ) LIMIT 20 ) b UNION ALL |
| | | SELECT id FROM ( SELECT * FROM exam_subject_choices WHERE choices_type = 2 ORDER BY RAND( ) LIMIT 40 ) c UNION ALL |
| | | SELECT id FROM ( SELECT * FROM exam_subject_choices WHERE choices_type = 3 ORDER BY RAND( ) LIMIT 10 ) d |
| | | </select> |
| | | </mapper> |