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+/* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; version 2 of the License.
+
+ 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 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 02110-1335 USA */
+
+
+/* Execute DO statement */
+
+#include "mariadb.h"
+#include "sql_priv.h"
+#include "transaction.h"
+#include "unireg.h"
+#include "sql_do.h"
+#include "sql_base.h" // setup_fields
+#include "sql_select.h" // free_underlaid_joins
+
+bool mysql_do(THD *thd, List<Item> &values)
+{
+ List_iterator<Item> li(values);
+ Item *value;
+ DBUG_ENTER("mysql_do");
+ if (setup_fields(thd, Ref_ptr_array(), values, COLUMNS_READ, 0, NULL, 0))
+ DBUG_RETURN(TRUE);
+ while ((value = li++))
+ (void) value->is_null();
+ free_underlaid_joins(thd, thd->lex->first_select_lex());
+
+ if (unlikely(thd->is_error()))
+ {
+ /*
+ Rollback the effect of the statement, since next instruction
+ will clear the error and the rollback in the end of
+ mysql_execute_command() won't work.
+ */
+ if (! thd->in_sub_stmt)
+ trans_rollback_stmt(thd);
+ thd->clear_error(); // DO always is OK
+ }
+ my_ok(thd);
+ DBUG_RETURN(FALSE);
+}