41 lines
1.2 KiB
JavaScript
41 lines
1.2 KiB
JavaScript
'use strict';
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const { v4: uuidv4 } = require('uuid');
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module.exports = {
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async up(queryInterface, Sequelize) {
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// Add UUID column to tasks table (without unique constraint initially)
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await queryInterface.addColumn('tasks', 'uuid', {
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type: Sequelize.UUID,
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allowNull: true,
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});
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// Backfill existing tasks with UUIDs
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const tasks = await queryInterface.sequelize.query(
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'SELECT id FROM tasks WHERE uuid IS NULL',
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{ type: Sequelize.QueryTypes.SELECT }
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);
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for (const task of tasks) {
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const uuid = uuidv4();
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await queryInterface.sequelize.query(
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'UPDATE tasks SET uuid = ? WHERE id = ?',
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{ replacements: [uuid, task.id] }
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);
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}
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// Add unique index for UUID
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await queryInterface.addIndex('tasks', ['uuid'], {
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unique: true,
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name: 'tasks_uuid_unique',
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});
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},
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async down(queryInterface, Sequelize) {
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// Remove index first
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await queryInterface.removeIndex('tasks', 'tasks_uuid_unique');
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// Remove UUID column
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await queryInterface.removeColumn('tasks', 'uuid');
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},
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};
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