mirror of
https://github.com/rgrgogu/new_starr.git
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22 lines
896 B
JavaScript
22 lines
896 B
JavaScript
'use strict';
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module.exports = {
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async up(queryInterface, Sequelize) {
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await queryInterface.createTable('course_prerequisites', {
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prereq_id: { type: Sequelize.BIGINT, primaryKey: true, autoIncrement: true },
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course_id: { type: Sequelize.BIGINT, allowNull: false, references: { model: 'courses', key: 'course_id' }, onDelete: 'CASCADE' },
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ref_type: { type: Sequelize.ENUM('course', 'unit', 'lesson'), allowNull: false },
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ref_id: { type: Sequelize.BIGINT, allowNull: false },
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order_index: { type: Sequelize.INTEGER, defaultValue: 0 },
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createdAt: { type: Sequelize.DATE, allowNull: false },
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updatedAt: { type: Sequelize.DATE, allowNull: false },
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});
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await queryInterface.addIndex('course_prerequisites', ['course_id']);
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},
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async down(queryInterface) {
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await queryInterface.dropTable('course_prerequisites');
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},
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};
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