@directus/api/dist/database/migrations/20210225A-add-relations-sort-field.js

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

import { parseJSON } from '@directus/utils';
import { getHelpers } from '../helpers/index.js';
export async function up(knex) {
    const helpers = getHelpers(knex);
    await knex.schema.alterTable('directus_relations', (table) => {
        table.string('sort_field', helpers.schema.getColumnNameMaxLength());
    });
    const fieldsWithSort = await knex
        .select('collection', 'field', 'options')
        .from('directus_fields')
        .whereIn('interface', ['one-to-many', 'm2a-builder', 'many-to-many']);
    for (const field of fieldsWithSort) {
        const options = typeof field.options === 'string' ? parseJSON(field.options) : (field.options ?? {});
        if ('sortField' in options) {
            await knex('directus_relations')
                .update({
                sort_field: options.sortField,
            })
                .where({
                one_collection: field.collection,
                one_field: field.field,
            });
        }
    }
}
export async function down(knex) {
    await knex.schema.alterTable('directus_relations', (table) => {
        table.dropColumn('sort_field');
    });
}