Method vers_push_field

sql/sql_lex.cc:10873–10894

bool SELECT_LEX::vers_push_field(THD *thd, TABLE_LIST *table,
                                 const LEX_CSTRING field_name)
{
  DBUG_ASSERT(field_name.str);
  Item_field *fld= new (thd->mem_root) Item_field(thd, &context,
                                                  table->db,
                                                  table->alias,
                                                  field_name);
  if (unlikely(!fld) || unlikely(item_list.push_back(fld)))
    return true;

  if (thd->lex->view_list.elements)
  {
    LEX_CSTRING *l;
    if (unlikely(!(l= thd->make_clex_string(field_name.str,
                                            field_name.length))) ||
        unlikely(thd->lex->view_list.push_back(l)))
      return true;
  }

  return false;
}


Item *Lex_trim_st::make_item_func_trim_std(THD *thd) const