SQLiteDatabase db = MLDB.getReadableDatabase();
try (Cursor cursor = db.rawQuery(sql, params)) {
while (cursor.moveToNext()) {
if (isCancelled()) return null;
SQLiteDatabase db = MLDB.getReadableDatabase();
try (Cursor cursor = db.rawQuery(sql, params)) {
while (cursor.moveToNext()) {
if (isCancelled()) return null;