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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
/* This file is part of the KDE project
Copyright (C) 2002 Lucijan Busch <lucijan@gmx.at>
Daniel Molkentin <molkentin@kde.org>
Copyright (C) 2003 Joseph Wenninger<jowenn@kde.org>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef TQ_WS_WIN
# include <mysql/config-win.h>
#endif
#include <mysql_version.h>
#include <mysql.h>
#define BOOL bool
#include <tqvariant.h>
#include <tqfile.h>
#include <tqdict.h>
#include <kgenericfactory.h>
#include <kdebug.h>
#include "mysqldriver.h"
#include "mysqlconnection.h"
#include <kexidb/field.h>
#include <kexidb/driver_p.h>
#include <kexidb/utils.h>
using namespace KexiDB;
KEXIDB_DRIVER_INFO( MySqlDriver, mysql )
/* TODO: Implement buffered/unbuffered, rather than buffer everything.
Each MYSQL connection can only handle at most one unbuffered cursor,
so MySqlConnection should keep count?
*/
/*!
* Constructor sets database features and
* maps the types in KexiDB::Field::Type to the MySQL types.
*
* See: http://dev.mysql.com/doc/mysql/en/Column_types.html
*/
MySqlDriver::MySqlDriver(TQObject *parent, const char *name, const TQStringList &args) : Driver(parent, name,args)
{
// KexiDBDrvDbg << "MySqlDriver::MySqlDriver()" << endl;
d->isFileDriver=false;
d->features=IgnoreTransactions | CursorForward;
beh->ROW_ID_FIELD_NAME="LAST_INSERT_ID()";
beh->ROW_ID_FIELD_RETURNS_LAST_AUTOINCREMENTED_VALUE=true;
beh->_1ST_ROW_READ_AHEAD_RETQUIRED_TO_KNOW_IF_THE_RESULT_IS_EMPTY=false;
beh->USING_DATABASE_RETQUIRED_TO_CONNECT=false;
beh->TQUOTATION_MARKS_FOR_IDENTIFIER='`';
beh->SQL_KEYWORDS = keywords;
initSQLKeywords(331);
//predefined properties
#if MYSQL_VERSION_ID < 40000
d->properties["client_library_version"] = MYSQL_SERVER_VERSION; //nothing better
d->properties["default_server_encoding"] = MYSQL_CHARSET; //nothing better
#elif MYSQL_VERSION_ID < 50000
//OK? d->properties["client_library_version"] = mysql_get_client_version();
#endif
d->typeNames[Field::Byte]="TINYINT";
d->typeNames[Field::ShortInteger]="SMALLINT";
d->typeNames[Field::Integer]="INT";
d->typeNames[Field::BigInteger]="BIGINT";
// Can use BOOLEAN here, but BOOL has been in MySQL longer
d->typeNames[Field::Boolean]="BOOL";
d->typeNames[Field::Date]="DATE";
d->typeNames[Field::DateTime]="DATETIME";
d->typeNames[Field::Time]="TIME";
d->typeNames[Field::Float]="FLOAT";
d->typeNames[Field::Double]="DOUBLE";
d->typeNames[Field::Text]="VARCHAR";
d->typeNames[Field::LongText]="LONGTEXT";
d->typeNames[Field::BLOB]="BLOB";
}
MySqlDriver::~MySqlDriver()
{
}
KexiDB::Connection*
MySqlDriver::drv_createConnection( ConnectionData &conn_data )
{
return new MySqlConnection( this, conn_data );
}
bool MySqlDriver::isSystemDatabaseName(const TQString &n) const
{
return n.lower()=="mysql" || Driver::isSystemObjectName(n);
}
bool MySqlDriver::drv_isSystemFieldName(const TQString&) const {
return false;
}
TQString MySqlDriver::escapeString(const TQString& str) const
{
//escape as in http://dev.mysql.com/doc/refman/5.0/en/string-syntax.html
//! @todo support more characters, like %, _
const int old_length = str.length();
int i;
for ( i = 0; i < old_length; i++ ) { //anything to escape?
const unsigned int ch = str[i].tqunicode();
if (ch == '\\' || ch == '\'' || ch == '"' || ch == '\n' || ch == '\r' || ch == '\t' || ch == '\b' || ch == '\0')
break;
}
if (i >= old_length) { //no characters to escape
return TQString::fromLatin1("'") + str + TQString::fromLatin1("'");
}
TQChar *new_string = new TQChar[ old_length * 3 + 1 ]; // a worst case approximation
//! @todo move new_string to Driver::m_new_string or so...
int new_length = 0;
new_string[new_length++] = '\''; //prepend '
for ( i = 0; i < old_length; i++, new_length++ ) {
const unsigned int ch = str[i].tqunicode();
if (ch == '\\') {
new_string[new_length++] = '\\';
new_string[new_length] = '\\';
}
else if (ch <= '\'') {//check for speedup
if (ch == '\'') {
new_string[new_length++] = '\\';
new_string[new_length] = '\'';
}
else if (ch == '"') {
new_string[new_length++] = '\\';
new_string[new_length] = '"';
}
else if (ch == '\n') {
new_string[new_length++] = '\\';
new_string[new_length] = 'n';
}
else if (ch == '\r') {
new_string[new_length++] = '\\';
new_string[new_length] = 'r';
}
else if (ch == '\t') {
new_string[new_length++] = '\\';
new_string[new_length] = 't';
}
else if (ch == '\b') {
new_string[new_length++] = '\\';
new_string[new_length] = 'b';
}
else if (ch == '\0') {
new_string[new_length++] = '\\';
new_string[new_length] = '0';
}
else
new_string[new_length] = str[i];
}
else
new_string[new_length] = str[i];
}
new_string[new_length++] = '\''; //append '
TQString result(new_string, new_length);
delete [] new_string;
return result;
}
TQString MySqlDriver::escapeBLOB(const TQByteArray& array) const
{
return KexiDB::escapeBLOB(array, KexiDB::BLOBEscape0xHex);
}
TQCString MySqlDriver::escapeString(const TQCString& str) const
{
//! @todo optimize using mysql_real_escape_string()?
//! see http://dev.mysql.com/doc/refman/5.0/en/string-syntax.html
return TQCString("'")+TQCString(str)
.replace( '\\', "\\\\" )
.replace( '\'', "\\''" )
.replace( '"', "\\\"" )
+ TQCString("'");
}
/*! Add back-ticks to an identifier, and replace any back-ticks within
* the name with single quotes.
*/
TQString MySqlDriver::drv_escapeIdentifier( const TQString& str) const {
return TQString(str).replace('`', "'");
}
TQCString MySqlDriver::drv_escapeIdentifier( const TQCString& str) const {
return TQCString(str).replace('`', "'");
}
#include "mysqldriver.moc"
|
