/* Copyright (c) 2001, 2024, Oracle and/or its affiliates. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License, version 2.0, as published by the Free Software Foundation. This program is designed to work with certain software (including but not limited to OpenSSL) that is licensed under separate terms, as designated in a particular file or component or in included license documentation. The authors of MySQL hereby grant you an additional permission to link the program and your derivative works with the separately licensed software that they have either included with the program or referenced in the documentation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0, for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ /* Execute DO statement */ #include "sql/sql_do.h" #include "my_dbug.h" #include "mysql/strings/m_ctype.h" #include "sql/item.h" #include "sql/sql_class.h" #include "sql/sql_const.h" #include "sql/sql_list.h" #include "sql/visible_fields.h" #include "sql_string.h" bool Query_result_do::send_data(THD *thd, const mem_root_deque &items) { DBUG_TRACE; char buffer[MAX_FIELD_WIDTH]; String str_buffer(buffer, sizeof(buffer), &my_charset_bin); // Evaluate all fields, but do not send them for (Item *item : VisibleFields(items)) { if (item->evaluate(thd, &str_buffer)) return true; } return false; } bool Query_result_do::send_eof(THD *thd) { /* Don't send EOF if we're in error condition (which implies we've already sent or are sending an error) */ if (thd->is_error()) return true; ::my_ok(thd); return false; }