ghost/core/server/data/migrations/versions/4.0/07-alter-unique-constraint-for-posts-slug.js

The professional publishing platform

const {createIrreversibleMigration} = require('../../utils');
const {addUnique, dropUnique} = require('../../../schema/commands');

module.exports = createIrreversibleMigration(async (knex) => {
    await dropUnique('posts', 'slug', knex);
    await addUnique('posts', ['slug', 'type'], knex);
});