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
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2010 Brian Aker
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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 02110-1301 USA
*/
#include "config.h"
#include "drizzled/statement/execute.h"
#include "drizzled/session.h"
#include "drizzled/user_var_entry.h"
namespace drizzled
{
void mysql_parse(drizzled::Session *session, const char *inBuf, uint32_t length);
namespace statement
{
Execute::Execute(Session *in_session) :
Statement(in_session),
is_var(false)
{
}
bool statement::Execute::parseVariable()
{
if (is_var)
{
user_var_entry *var= getSession()->getVariable(to_execute, false);
if (var && var->length && var->value && var->type == STRING_RESULT)
{
LEX_STRING tmp_for_var;
tmp_for_var.str= var->value;
tmp_for_var.length= var->length;
to_execute= tmp_for_var;
return true;
}
}
return false;
}
bool statement::Execute::execute()
{
if (to_execute.length == 0)
{
my_error(ER_WRONG_ARGUMENTS, MYF(0), "Invalid Variable");
return false;
}
if (is_var)
{
if (not parseVariable())
{
my_error(ER_WRONG_ARGUMENTS, MYF(0), "Invalid Variable");
return false;
}
}
mysql_parse(getSession(), to_execute.str, to_execute.length);
// We have to restore ourselves at the top for delete[] to work.
getSession()->getLex()->statement= this;
return true;
}
} /* namespace statement */
} /* namespace drizzled */
|