111 lines
3.4 KiB
JavaScript
111 lines
3.4 KiB
JavaScript
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'use strict';
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/**
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* 023 - 综合大题题库表 big_questions
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*
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* 背景(2026-09-21 需求变更)
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* 中职组 / 高职组取消「Word 文件上传题」,改为从题库随机抽取一道大题在线作答;
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* 大题含「文字描述 + 富文本表格」,下设三小问,每小问 10 分,大题总分 30 分。
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*
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* 隔离原则(硬约束:除本次功能外不得影响其他功能)
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* 本表为**新增隔离表**,不改动任何现有表结构与既有客观题链路
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* (choice_questions / judge_questions / zhongzhi_submissions / gaozhi_submissions
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* 以及本科/教师组 benke_submissions / jiaoshi_submissions 全部零改动)。
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*
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* 环境说明
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* 目标库为 MariaDB 5.5.68,**不支持 JSON 列类型**,故富文本 / 序列化数据一律用
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* TEXT / MEDIUMTEXT 存储;亦不支持 DATETIME 的 DEFAULT CURRENT_TIMESTAMP,
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* 时间戳列交由应用层(Sequelize timestamps)写入,与既有表(word_questions 等)一致。
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*/
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module.exports = {
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up: async (queryInterface, Sequelize) => {
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await queryInterface.createTable('big_questions', {
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id: {
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type: Sequelize.INTEGER,
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primaryKey: true,
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autoIncrement: true,
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allowNull: false,
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comment: '大题ID',
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},
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question_uid: {
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type: Sequelize.STRING(64),
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allowNull: false,
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comment: '大题稳定标识(全局唯一,形如 big_12)',
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},
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group: {
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type: Sequelize.STRING(20),
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allowNull: false,
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comment: '组别:zhongzhi/gaozhi',
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},
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title: {
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type: Sequelize.STRING(200),
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allowNull: false,
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comment: '大题标题',
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},
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description: {
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type: Sequelize.TEXT('medium'),
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allowNull: true,
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comment: '题干富文本 HTML(含表格)',
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},
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sub_prompt_1: {
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type: Sequelize.TEXT,
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allowNull: true,
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comment: '第1小问题干',
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},
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sub_prompt_2: {
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type: Sequelize.TEXT,
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allowNull: true,
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comment: '第2小问题干',
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},
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sub_prompt_3: {
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type: Sequelize.TEXT,
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allowNull: true,
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comment: '第3小问题干',
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},
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score_per_sub: {
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type: Sequelize.INTEGER,
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allowNull: false,
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defaultValue: 10,
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comment: '每小题分值',
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},
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total_score: {
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type: Sequelize.INTEGER,
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allowNull: false,
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defaultValue: 30,
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comment: '大题总分',
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},
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sort_order: {
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type: Sequelize.INTEGER,
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allowNull: false,
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defaultValue: 0,
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comment: '排序',
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},
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status: {
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type: Sequelize.INTEGER,
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allowNull: false,
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defaultValue: 1,
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comment: '状态:1=启用(参与抽题),0=停用',
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},
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created_at: {
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type: Sequelize.DATE,
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allowNull: true,
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comment: '创建时间',
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},
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updated_at: {
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type: Sequelize.DATE,
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allowNull: true,
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comment: '更新时间',
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},
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}).then(() => {
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return Promise.all([
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queryInterface.addIndex('big_questions', ['question_uid'], { name: 'uk_big_question_uid', unique: true }),
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queryInterface.addIndex('big_questions', ['group', 'status', 'sort_order'], { name: 'idx_big_q_group_status' }),
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]);
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});
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},
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down: async (queryInterface) => {
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await queryInterface.dropTable('big_questions');
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},
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};
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