Files
starr-philproperties/database/migrations/20260717000001-create-task-prerequisites.js
T
2026-07-17 13:04:27 +08:00

22 lines
1.1 KiB
JavaScript

'use strict';
module.exports = {
async up(queryInterface, Sequelize) {
await queryInterface.createTable('task_prerequisites', {
id: { type: Sequelize.UUID, defaultValue: Sequelize.UUIDV4, primaryKey: true },
task_id: { type: Sequelize.UUID, allowNull: false, references: { model: 'tasks', key: 'task_id' }, onDelete: 'CASCADE' },
prerequisite_task_id: { type: Sequelize.UUID, allowNull: false, references: { model: 'tasks', key: 'task_id' }, onDelete: 'CASCADE' },
createdAt: { type: Sequelize.DATE, allowNull: false },
updatedAt: { type: Sequelize.DATE, allowNull: false },
});
await queryInterface.addIndex('task_prerequisites', { fields: ['task_id', 'prerequisite_task_id'], unique: true, name: 'uq_task_prerequisite' });
await queryInterface.addIndex('task_prerequisites', { fields: ['task_id'], name: 'idx_tp_task_id' });
await queryInterface.addIndex('task_prerequisites', { fields: ['prerequisite_task_id'], name: 'idx_tp_prerequisite_task_id' });
},
async down(queryInterface) {
await queryInterface.dropTable('task_prerequisites');
},
};