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
|
<?php
/*
V5.15 19 Jan 2012 (c) 2000-2012 John Lim (jlim#natsoft.com). All rights reserved.
Released under both BSD license and Lesser GPL library license.
Whenever there is any discrepancy between the two licenses,
the BSD license will take precedence.
Set tabs to 4 for best viewing.
Latest version is available at http://adodb.sourceforge.net
Microsoft SQL Server ADO data driver. Requires ADO and MSSQL client.
Works only on MS Windows.
Warning: Some versions of PHP (esp PHP4) leak memory when ADO/COM is used.
Please check http://bugs.php.net/ for more info.
*/
// security - hide paths
if (!defined('ADODB_DIR')) die();
if (!defined('_ADODB_ADO_LAYER')) {
if (PHP_VERSION >= 5) include(ADODB_DIR."/drivers/adodb-ado5.inc.php");
else include(ADODB_DIR."/drivers/adodb-ado.inc.php");
}
class ADODB_ado_mssql extends ADODB_ado {
var $databaseType = 'ado_mssql';
var $hasTop = 'top';
var $hasInsertID = true;
var $sysDate = 'convert(datetime,convert(char,GetDate(),102),102)';
var $sysTimeStamp = 'GetDate()';
var $leftOuter = '*=';
var $rightOuter = '=*';
var $ansiOuter = true; // for mssql7 or later
var $substr = "substring";
var $length = 'len';
var $_dropSeqSQL = "drop table %s";
//var $_inTransaction = 1; // always open recordsets, so no transaction problems.
function ADODB_ado_mssql()
{
$this->ADODB_ado();
}
function _insertid()
{
return $this->GetOne('select SCOPE_IDENTITY()');
}
function _affectedrows()
{
return $this->GetOne('select @@rowcount');
}
function SetTransactionMode( $transaction_mode )
{
$this->_transmode = $transaction_mode;
if (empty($transaction_mode)) {
$this->Execute('SET TRANSACTION ISOLATION LEVEL READ COMMITTED');
return;
}
if (!stristr($transaction_mode,'isolation')) $transaction_mode = 'ISOLATION LEVEL '.$transaction_mode;
$this->Execute("SET TRANSACTION ".$transaction_mode);
}
function qstr($s,$magic_quotes=false)
{
$s = ADOConnection::qstr($s, $magic_quotes);
return str_replace("\0", "\\\\000", $s);
}
function MetaColumns($table, $normalize=true)
{
$table = strtoupper($table);
$arr= array();
$dbc = $this->_connectionID;
$osoptions = array();
$osoptions[0] = null;
$osoptions[1] = null;
$osoptions[2] = $table;
$osoptions[3] = null;
$adors=@$dbc->OpenSchema(4, $osoptions);//tables
if ($adors){
while (!$adors->EOF){
$fld = new ADOFieldObject();
$c = $adors->Fields(3);
$fld->name = $c->Value;
$fld->type = 'CHAR'; // cannot discover type in ADO!
$fld->max_length = -1;
$arr[strtoupper($fld->name)]=$fld;
$adors->MoveNext();
}
$adors->Close();
}
$false = false;
return empty($arr) ? $false : $arr;
}
function CreateSequence($seq='adodbseq',$start=1)
{
$this->Execute('BEGIN TRANSACTION adodbseq');
$start -= 1;
$this->Execute("create table $seq (id float(53))");
$ok = $this->Execute("insert into $seq with (tablock,holdlock) values($start)");
if (!$ok) {
$this->Execute('ROLLBACK TRANSACTION adodbseq');
return false;
}
$this->Execute('COMMIT TRANSACTION adodbseq');
return true;
}
function GenID($seq='adodbseq',$start=1)
{
//$this->debug=1;
$this->Execute('BEGIN TRANSACTION adodbseq');
$ok = $this->Execute("update $seq with (tablock,holdlock) set id = id + 1");
if (!$ok) {
$this->Execute("create table $seq (id float(53))");
$ok = $this->Execute("insert into $seq with (tablock,holdlock) values($start)");
if (!$ok) {
$this->Execute('ROLLBACK TRANSACTION adodbseq');
return false;
}
$this->Execute('COMMIT TRANSACTION adodbseq');
return $start;
}
$num = $this->GetOne("select id from $seq");
$this->Execute('COMMIT TRANSACTION adodbseq');
return $num;
// in old implementation, pre 1.90, we returned GUID...
//return $this->GetOne("SELECT CONVERT(varchar(255), NEWID()) AS 'Char'");
}
} // end class
class ADORecordSet_ado_mssql extends ADORecordSet_ado {
var $databaseType = 'ado_mssql';
function ADORecordSet_ado_mssql($id,$mode=false)
{
return $this->ADORecordSet_ado($id,$mode);
}
}
?>
|
