67 lines
1.5 KiB
JavaScript
67 lines
1.5 KiB
JavaScript
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'use strict';
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/**
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* 迁移文件：创建答题记录表（exam_submissions）
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* 存储选手的试卷答题记录
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*/
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module.exports = {
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up: async (queryInterface, Sequelize) => {
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const { INTEGER, TEXT, DATE } = Sequelize;
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await queryInterface.createTable('exam_submissions', {
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id: {
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type: INTEGER,
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primaryKey: true,
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autoIncrement: true,
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allowNull: false,
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comment: '答题记录唯一标识',
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},
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contestant_id: {
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type: INTEGER,
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allowNull: false,
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comment: '选手 ID',
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references: {
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model: 'contestants',
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key: 'id',
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},
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onUpdate: 'CASCADE',
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onDelete: 'CASCADE',
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},
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answers: {
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type: TEXT,
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allowNull: false,
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comment: '答题内容（JSON）',
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},
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submit_time: {
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type: DATE,
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allowNull: false,
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comment: '提交时间',
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},
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score: {
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type: INTEGER,
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allowNull: true,
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defaultValue: null,
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comment: '试卷得分',
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},
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created_at: {
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type: DATE,
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allowNull: false,
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comment: '创建时间',
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},
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updated_at: {
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type: DATE,
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allowNull: false,
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comment: '更新时间',
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},
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});
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await queryInterface.addIndex('exam_submissions', ['contestant_id'], {
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name: 'idx_exam_submissions_contestant_id',
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});
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},
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down: async (queryInterface) => {
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await queryInterface.dropTable('exam_submissions');
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},
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};
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