@directus/api/dist/database/migrations/20210510A-restructure-relations.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 helper = getHelpers(knex);
    await knex.schema.alterTable('directus_relations', (table) => {
        table.dropColumns('many_primary', 'one_primary');
        table.string('one_deselect_action').defaultTo('nullify');
    });
    await knex('directus_relations').update({ one_deselect_action: 'nullify' });
    await helper.schema.changeToType('directus_relations', 'sort_field', 'string', {
        length: helper.schema.getColumnNameMaxLength(),
    });
    await helper.schema.changeToType('directus_relations', 'one_deselect_action', 'string', {
        nullable: false,
        default: 'nullify',
    });
}
export async function down(knex) {
    const helper = getHelpers(knex);
    await helper.schema.changeToType('directus_relations', 'sort_field', 'string', {
        length: 255,
    });
    await knex.schema.alterTable('directus_relations', (table) => {
        table.dropColumn('one_deselect_action');
        table.string('many_primary', helper.schema.getColumnNameMaxLength());
        table.string('one_primary', helper.schema.getColumnNameMaxLength());
    });
}