48 lines
2.9 KiB
MySQL
48 lines
2.9 KiB
MySQL
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-- ============================================
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-- 题库功能 - 数据库表创建SQL
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-- ============================================
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-- 1. 题库表
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DROP TABLE IF EXISTS `question_bank`;
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CREATE TABLE `question_bank` (
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`id` bigint NOT NULL AUTO_INCREMENT COMMENT '题库ID',
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`bank_name` varchar(200) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '题库名称',
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`subject_id` bigint NOT NULL COMMENT '科目ID',
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`subject_name` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT '科目名称',
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`description` varchar(500) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT '题库描述',
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`question_count` int DEFAULT 0 COMMENT '题目数量',
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`create_user_id` bigint DEFAULT NULL COMMENT '创建人ID（教师ID）',
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`create_by` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT '' COMMENT '创建者',
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`create_time` datetime DEFAULT NULL COMMENT '创建时间',
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`update_by` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT '' COMMENT '更新者',
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`update_time` datetime DEFAULT NULL COMMENT '更新时间',
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`remark` varchar(500) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT '备注',
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PRIMARY KEY (`id`),
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KEY `idx_subject_id` (`subject_id`),
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KEY `idx_create_user_id` (`create_user_id`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci COMMENT='题库表';
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-- 2. 题库题目表
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DROP TABLE IF EXISTS `question_bank_item`;
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CREATE TABLE `question_bank_item` (
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`id` bigint NOT NULL AUTO_INCREMENT COMMENT '题目ID',
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`bank_id` bigint NOT NULL COMMENT '题库ID',
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`question_type` varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '题型（single-单选, multiple-多选, judge-判断, fill-填空, essay-简答）',
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`question_content` text CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '题干',
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`options` text CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT '选项（JSON格式，用于单选、多选、判断题）',
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`correct_answer` text CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '正确答案',
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`score` decimal(10,2) DEFAULT 0.00 COMMENT '默认分值',
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`create_time` datetime DEFAULT NULL COMMENT '创建时间',
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`update_time` datetime DEFAULT NULL COMMENT '更新时间',
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PRIMARY KEY (`id`),
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KEY `idx_bank_id` (`bank_id`),
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KEY `idx_question_type` (`question_type`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci COMMENT='题库题目表';
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-- 3. 修改question表，添加来源字段
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ALTER TABLE `question`
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ADD COLUMN `source_type` varchar(20) DEFAULT 'manual' COMMENT '题目来源（manual-手动创建, bank-题库抽取, ai-AI生成）' AFTER `exam_id`,
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ADD COLUMN `bank_id` bigint DEFAULT NULL COMMENT '来源题库ID（如果来自题库）' AFTER `source_type`,
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ADD COLUMN `bank_item_id` bigint DEFAULT NULL COMMENT '来源题库题目ID（如果来自题库）' AFTER `bank_id`;
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