@directus/api/dist/database/migrations/20230823A-add-content-versioning.js

Directus is a real-time API and App dashboard for managing SQL database content

import { getHelpers } from '../helpers/index.js';
export async function up(knex) {
    const helpers = getHelpers(knex);
    await knex.schema.createTable('directus_versions', (table) => {
        table.uuid('id').primary().notNullable();
        table.string('key', 64).notNullable();
        table.string('name');
        table
            .string('collection', helpers.schema.getTableNameMaxLength())
            .notNullable()
            .references('collection')
            .inTable('directus_collections')
            .onDelete('CASCADE');
        table.string('item').notNullable();
        // Hash is managed on API side
        table.string('hash');
        table.timestamp('date_created').defaultTo(knex.fn.now());
        table.timestamp('date_updated').defaultTo(knex.fn.now());
        table.uuid('user_created').references('id').inTable('directus_users').onDelete('SET NULL');
        // Cannot have two constraints from/to the same table, handled on API side
        table.uuid('user_updated').references('id').inTable('directus_users');
    });
    await knex.schema.alterTable('directus_collections', (table) => {
        table.boolean('versioning').notNullable().defaultTo(false);
    });
    await knex.schema.alterTable('directus_revisions', (table) => {
        table.uuid('version').references('id').inTable('directus_versions').onDelete('CASCADE');
    });
}
export async function down(knex) {
    await knex.schema.alterTable('directus_collections', (table) => {
        table.dropColumn('versioning');
    });
    await knex.schema.alterTable('directus_revisions', (table) => {
        table.dropColumn('version');
    });
    await knex.schema.dropTable('directus_versions');
}