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
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
| <?php
class DB
{
//Member Zone
var $dataserver;
var $database;
var $result;
var $row_result;
var $error_name;
var $error_number;
//Methode Zone
function DB()
{
}
function DBDown()
//database down
{
$this->error_number = mysql_errno();
$this->error_name = mysql_error();
print "Database down";
if ($this->error_name != "")
{
print "<br>" . $this->error_number . ": " . $this->error_name . "<br>";
}
exit();
}
function Open($plocation,$puser,$ppassword,$pdb)
//Open a connection to a MySQL Server
{
$this->database = $pdb;
if(!$this->dataserver = mysql_pconnect($plocation, $puser, $ppassword))
{
DB::DBDown();
}
}
function executeSQL($sql)
//Query database
{
if (!$res=mysql_query($sql,$this->dataserver))
{
DB::DBDown();
}
$this->row_result=0;
$this->result=array();
//print "sql=".$sql."<br>";
if ((strpos("_".$sql,'SELECT'))||(strpos("_".$sql,'SHOW'))||(strpos("_".$sql,'DESCRIBE'))||(strpos("_".$sql,'EXPLAIN')))
{
while ($this->result[]=mysql_fetch_array($res, MYSQL_NUM))
{
$this->row_result++;
}
}
}
function cleanSQL($param)
//Clean sql parameters
{
return mysql_real_escape_string($param,$this->dataserver);
}
}
class SyncronizeDB
{
//Member Zone
var $db_master;
var $table_master;
var $idx_master;
var $col_master;
var $db_slave;
var $table_slave;
var $idx_slave;
var $col_slave;
//Methode Zone
function SyncronizeDB()
//HelpdeskDB Constructor
{
}
function masterColumns()
{
//return columns name
$this->db_master->executeSQL("SHOW COLUMNS from ".$this->db_master->database.".".$this->table_master);
$i = 0;
$col = "";
foreach ($this->db_master->result as $row)
{
if ($row != "")
{
if ($i == 1) $col .= ",";
$col .= $row[0];
if ($i == 0) $i = 1;
}
}
return $col;
}
function masterAllIndexes()
{
//return all index value
$this->db_master->executeSQL("SELECT ".$this->idx_master." from ".$this->db_master->database.".".$this->table_master);
}
function masterDataRows($sin)
{
// return data from master database
$this->db_master->executeSQL("SELECT * from ".$this->db_master->database.".".$this->table_master." where ".$this->idx_master." in (".$sin.")");
}
function masterSet($mplocation, $mpuser, $mppassword, $mpdb, $mptable, $mpidx)
//set master database
{
$this->table_master = $mptable;
$this->idx_master = $mpidx;
$this->db_master = new DB();
$this->db_master->Open($mplocation,$mpuser,$mppassword,$mpdb);
$this->col_master = $this->masterColumns();
}
function slaveColumns()
{
//return columns name
$this->db_slave->executeSQL("SHOW COLUMNS from ".$this->db_slave->database.".".$this->table_slave);
$i = 0;
$col = "";
foreach ($this->db_slave->result as $row)
{
if ($row != "")
{
if ($i == 1) $col .= ",";
$col .= $row[0];
if ($i == 0) $i = 1;
}
}
return $col;
}
function slaveAllIndexes()
{
//return all index value
$this->db_slave->executeSQL("SELECT ".$this->idx_slave." from ".$this->db_slave->database.".".$this->table_slave);
}
function slaveSet($mplocation, $mpuser, $mppassword, $mpdb, $mptable, $mpidx)
//set slave database
{
$this->table_slave = $mptable;
$this->idx_slave = $mpidx;
$this->db_slave = new DB();
$this->db_slave->Open($mplocation,$mpuser,$mppassword,$mpdb);
$this->col_slave = $this->slaveColumns();
}
function slaveSyncronization()
{
$this->masterAllIndexes();
$masterid=array();
foreach ($this->db_master->result as $id)
{
$masterid[] = $id[0];
}
$this->slaveAllIndexes();
$slaveid=array();
foreach ($this->db_slave->result as $id)
{
$slaveid[] = $id[0];
}
$in = array_diff($masterid, $slaveid);
echo "La ligne contenant l' id suivant à été ajoutée: ";
$sin = implode(",", $in);
if ($sin == "")
{
echo "<b>aucune</b>";
echo ".<br />";
}
else
{
echo $sin;
echo ".<br />";
$this->masterDataRows($sin);
$sql = "INSERT INTO ".$this->db_slave->database.".".$this->table_slave." (".$this->col_slave.") values ";
$i = 0;
foreach ($this->db_master->result as $row)
{
if (count($row) > 1)
{
if ($i == 1) $sql .= ",";
$sql .= "(";
$j=0;
//print_r($row);
foreach ($row as $col)
{
if ($j == 1) $sql .= ",";
$col = $this->db_slave->cleanSQL($col);
$sql .= "'".$col."'";
if ($j == 0) $j = 1;
}
$sql .= ")";
if ($i == 0) $i = 1;
}
}
echo "Ajout de la commande SQL:<br />".$sql;
echo ".<br />";
$this->db_slave->executeSQL($sql);
}
$out = array_diff($slaveid, $masterid);
echo "La ligne de données contenant l'id suivant à été supprimée: ";
$sout = implode(",", $out);
if ($sout == "")
{
echo "<b>aucune</b>";
echo ".<br />";
}
else
{
echo $sout;
echo ".<br />";
$sql = "DELETE FROM ".$this->db_slave->database.".".$this->table_slave." where ".$this->idx_slave." in (".$sout.") ";
echo "Commande SQL:<br />".$sql;
echo ".<br />";
$this->db_slave->executeSQL($sql);
}
}
}
?> |
Synchronisation de bases Mysql
Répondre avec citation
Partager