@directus/api/dist/database/migrations/20240924B-populate-versioning-deltas.js

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

import { parseJSON } from '@directus/utils';
import { assign } from 'lodash-es';
export async function up(knex) {
    const rowsLimit = 50;
    let hasMore = true;
    while (hasMore) {
        const missingDeltaVersions = await knex.select('id').from('directus_versions').whereNull('delta').limit(rowsLimit);
        if (missingDeltaVersions.length === 0) {
            hasMore = false;
            break;
        }
        await knex.transaction(async (trx) => {
            for (const missingDeltaVersion of missingDeltaVersions) {
                const revisions = await trx
                    .select('delta')
                    .from('directus_revisions')
                    .where('version', '=', missingDeltaVersion.id)
                    .orderBy('id');
                const deltas = revisions.map((revision) => typeof revision.delta === 'string' ? parseJSON(revision.delta) : (revision.delta ?? {}));
                const consolidatedDelta = assign({}, ...deltas);
                await trx('directus_versions')
                    .update({
                    delta: JSON.stringify(consolidatedDelta),
                })
                    .where('id', '=', missingDeltaVersion.id);
            }
        });
    }
}
export async function down() {
    // No down migration required
}