test

    dbpp::SQL sql;

    dbpp::DBResult res;

    // --- Migration: drop old tables missing owner_uid/domain columns ---

    // Check if connections table exists but lacks owner_uid column

    try {

        sql << "SELECT owner_uid FROM connections LIMIT 1;";

        _db->exec(sql, res);

    } catch (...) {

        // Column doesn't exist — drop the old table

        sql.clear(); res.clear();

        try {

            sql << "DROP TABLE IF EXISTS connections;";

            _db->exec(sql, res);

        } catch (...) {}

    }

    sql.clear(); res.clear();

    // Check if documents table exists but lacks owner_uid column

    try {

        sql << "SELECT owner_uid FROM documents LIMIT 1;";

        _db->exec(sql, res);

    } catch (...) {

        // Column doesn't exist — drop old tables (revisions depend on documents)

        sql.clear(); res.clear();

        try {

            sql << "DROP TABLE IF EXISTS document_revisions;";

            _db->exec(sql, res);

        } catch (...) {}

        sql.clear(); res.clear();

        try {

            sql << "DROP TABLE IF EXISTS documents;";

            _db->exec(sql, res);

        } catch (...) {}

    }

    sql.clear(); res.clear();

    // --- Create tables ---

    sql << "CREATE TABLE IF NOT EXISTS documents("

        <<   "id " << _db->getUUIDType(sql) << ","

        <<   "owner_uid text NOT NULL,"