QSqlQuery delBufferQuery(db);
delBufferQuery.prepare(queryString("delete_buffer_for_bufferid"));
delBufferQuery.bindValue(":bufferid", bufferId2.toInt());
QSqlQuery delBufferQuery(db);
delBufferQuery.prepare(queryString("delete_buffer_for_bufferid"));
delBufferQuery.bindValue(":bufferid", bufferId2.toInt());