1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
/* 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 "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, 0, values, MARK_COLUMNS_NONE, 0, NULL, 0))
DBUG_RETURN(TRUE);
while ((value = li++))
value->val_int();
free_underlaid_joins(thd, &thd->lex->select_lex);
if (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);
}
|
