greenDao not support joins with queryBuilder
Joins only with queryRaw.
My case:
String stringRawquery = ", TaxFamily TFAM WHERE T.ZTyPe=" + TAX_TYPE + " AND IFAM.ZID_FAMILY='"+idFamily+"' AND IFAM.ZID_TAX = T.ZID_TAX";
List<Tax> result = taxDao.queryRawCreate(stringRawquery).list();