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
|
<?php
require_once 'include/dba/dba_driver.php';
/**
* @brief PDO based database driver.
*
*/
class dba_pdo extends dba_driver {
public $driver_dbtype = null;
/**
* {@inheritDoc}
* @see dba_driver::connect()
*/
function connect($server, $scheme, $port, $user, $pass, $db) {
$this->driver_dbtype = $scheme;
if(strpbrk($server,':;')) {
$dsn = $server;
}
else {
$dsn = $this->driver_dbtype . ':host=' . $server . (intval($port) ? ';port=' . $port : '');
}
$dsn .= ';dbname=' . $db;
try {
$this->db = new PDO($dsn,$user,$pass);
$this->db->setAttribute(PDO::ATTR_ERRMODE,PDO::ERRMODE_EXCEPTION);
}
catch(PDOException $e) {
if(file_exists('dbfail.out')) {
file_put_contents('dbfail.out', datetime_convert() . "\nConnect: " . $e->getMessage() . "\n", FILE_APPEND);
}
return false;
}
if($this->driver_dbtype === 'pgsql')
$this->q("SET standard_conforming_strings = 'off'; SET backslash_quote = 'on';");
$this->connected = true;
return true;
}
/**
* {@inheritDoc}
* @see dba_driver::q()
*
* @return bool|array|PDOStatement
* - \b false if not connected or PDOException occured on query
* - \b array with results on a SELECT query
* - \b PDOStatement on a non SELECT SQL query
*/
function q($sql) {
if((! $this->db) || (! $this->connected))
return false;
if($this->driver_dbtype === 'pgsql') {
if(substr(rtrim($sql),-1,1) !== ';') {
$sql .= ';';
}
}
$this->error = '';
$select = ((stripos($sql,'select') === 0) ? true : false);
try {
$result = $this->db->query($sql, PDO::FETCH_ASSOC);
}
catch(PDOException $e) {
$this->error = $e->getMessage();
if($this->error) {
db_logger('dba_pdo: ERROR: ' . printable($sql) . "\n" . $this->error, LOGGER_NORMAL, LOG_ERR);
if(file_exists('dbfail.out')) {
file_put_contents('dbfail.out', datetime_convert() . "\n" . printable($sql) . "\n" . $this->error . "\n", FILE_APPEND);
}
}
}
if(!($select)) {
if($this->debug) {
db_logger('dba_pdo: DEBUG: ' . printable($sql) . ' returns ' . (($result) ? 'true' : 'false'), LOGGER_NORMAL,(($result) ? LOG_INFO : LOG_ERR));
}
return $result;
}
$r = array();
if($result) {
foreach($result as $x) {
$r[] = $x;
}
}
if($this->debug) {
db_logger('dba_pdo: DEBUG: ' . printable($sql) . ' returned ' . count($r) . ' results.', LOGGER_NORMAL, LOG_INFO);
db_logger('dba_pdo: ' . printable(print_r($r,true)), LOGGER_NORMAL, LOG_INFO);
}
return (($this->error) ? false : $r);
}
function escape($str) {
if($this->db && $this->connected) {
return substr(substr(@$this->db->quote($str),1),0,-1);
}
}
function close() {
if($this->db)
$this->db = null;
$this->connected = false;
}
function concat($fld,$sep) {
if($this->driver_dbtype === 'pgsql') {
return 'string_agg(' . $fld . ',\'' . $sep . '\')';
}
else {
return 'GROUP_CONCAT(DISTINCT ' . $fld . ' SEPARATOR \'' . $sep . '\')';
}
}
function use_index($str) {
if($this->driver_dbtype === 'pgsql') {
return '';
}
else {
return 'USE INDEX( ' . $str . ')';
}
}
function quote_interval($txt) {
if($this->driver_dbtype === 'pgsql') {
return "'$txt'";
}
else {
return $txt;
}
}
// These two functions assume that postgres standard_conforming_strings is set to off;
// which we perform during DB open.
function escapebin($str) {
if($this->driver_dbtype === 'pgsql') {
return "\\\\x" . bin2hex($str);
}
else {
return $this->escape($str);
}
}
function unescapebin($str) {
if($this->driver_dbtype === 'pgsql' && (! is_null($str))) {
$x = '';
while(! feof($str)) {
$x .= fread($str,8192);
}
if(substr($x,0,2) === '\\x') {
$x = hex2bin(substr($x,2));
}
return $x;
}
else {
return $str;
}
}
function getdriver() {
return 'pdo';
}
}
|
