891
891
if (session->lex->in_sum_func &&
892
892
session->lex->in_sum_func->nest_level ==
893
893
session->lex->current_select->nest_level)
894
895
set_if_bigger(session->lex->in_sum_func->max_arg_level,
895
896
session->lex->current_select->nest_level);
897
899
else if (session->mark_used_columns != MARK_COLUMNS_NONE)