[6779] | 1 | <?php |
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| 2 | /* |
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| 3 | V4.94 23 Jan 2007 (c) 2000-2007 John Lim (jlim#natsoft.com.my). All rights reserved. |
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| 4 | Released under both BSD license and Lesser GPL library license. |
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| 5 | Whenever there is any discrepancy between the two licenses, |
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| 6 | the BSD license will take precedence. |
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| 7 | Set tabs to 4 for best viewing. |
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| 8 | |
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| 9 | Latest version is available at http://adodb.sourceforge.net |
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| 10 | |
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| 11 | Microsoft SQL Server ADO data driver. Requires ADO and MSSQL client. |
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| 12 | Works only on MS Windows. |
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| 13 | |
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| 14 | Warning: Some versions of PHP (esp PHP4) leak memory when ADO/COM is used. |
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| 15 | Please check http://bugs.php.net/ for more info. |
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| 16 | */ |
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| 17 | |
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| 18 | // security - hide paths |
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| 19 | if (!defined('ADODB_DIR')) die(); |
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| 20 | |
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| 21 | if (!defined('_ADODB_ADO_LAYER')) { |
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| 22 | if (PHP_VERSION >= 5) include(ADODB_DIR."/drivers/adodb-ado5.inc.php"); |
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| 23 | else include(ADODB_DIR."/drivers/adodb-ado.inc.php"); |
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| 24 | } |
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| 25 | |
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| 26 | |
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| 27 | class ADODB_ado_mssql extends ADODB_ado { |
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| 28 | var $databaseType = 'ado_mssql'; |
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| 29 | var $hasTop = 'top'; |
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| 30 | var $hasInsertID = true; |
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| 31 | var $sysDate = 'convert(datetime,convert(char,GetDate(),102),102)'; |
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| 32 | var $sysTimeStamp = 'GetDate()'; |
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| 33 | var $leftOuter = '*='; |
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| 34 | var $rightOuter = '=*'; |
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| 35 | var $ansiOuter = true; // for mssql7 or later |
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| 36 | var $substr = "substring"; |
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| 37 | var $length = 'len'; |
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| 38 | var $_dropSeqSQL = "drop table %s"; |
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| 39 | |
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| 40 | //var $_inTransaction = 1; // always open recordsets, so no transaction problems. |
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| 41 | |
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| 42 | function ADODB_ado_mssql() |
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| 43 | { |
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| 44 | $this->ADODB_ado(); |
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| 45 | } |
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| 46 | |
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| 47 | function _insertid() |
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| 48 | { |
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| 49 | return $this->GetOne('select @@identity'); |
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| 50 | } |
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| 51 | |
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| 52 | function _affectedrows() |
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| 53 | { |
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| 54 | return $this->GetOne('select @@rowcount'); |
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| 55 | } |
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| 56 | |
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| 57 | function SetTransactionMode( $transaction_mode ) |
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| 58 | { |
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| 59 | $this->_transmode = $transaction_mode; |
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| 60 | if (empty($transaction_mode)) { |
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| 61 | $this->Execute('SET TRANSACTION ISOLATION LEVEL READ COMMITTED'); |
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| 62 | return; |
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| 63 | } |
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| 64 | if (!stristr($transaction_mode,'isolation')) $transaction_mode = 'ISOLATION LEVEL '.$transaction_mode; |
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| 65 | $this->Execute("SET TRANSACTION ".$transaction_mode); |
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| 66 | } |
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| 67 | |
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| 68 | function qstr($s,$magic_quotes=false) |
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| 69 | { |
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| 70 | $s = ADOConnection::qstr($s, $magic_quotes); |
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| 71 | return str_replace("\0", "\\\\000", $s); |
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| 72 | } |
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| 73 | |
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| 74 | function MetaColumns($table) |
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| 75 | { |
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| 76 | $table = strtoupper($table); |
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| 77 | $arr= array(); |
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| 78 | $dbc = $this->_connectionID; |
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| 79 | |
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| 80 | $osoptions = array(); |
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| 81 | $osoptions[0] = null; |
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| 82 | $osoptions[1] = null; |
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| 83 | $osoptions[2] = $table; |
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| 84 | $osoptions[3] = null; |
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| 85 | |
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| 86 | $adors=@$dbc->OpenSchema(4, $osoptions);//tables |
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| 87 | |
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| 88 | if ($adors){ |
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| 89 | while (!$adors->EOF){ |
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| 90 | $fld = new ADOFieldObject(); |
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| 91 | $c = $adors->Fields(3); |
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| 92 | $fld->name = $c->Value; |
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| 93 | $fld->type = 'CHAR'; // cannot discover type in ADO! |
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| 94 | $fld->max_length = -1; |
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| 95 | $arr[strtoupper($fld->name)]=$fld; |
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| 96 | |
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| 97 | $adors->MoveNext(); |
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| 98 | } |
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| 99 | $adors->Close(); |
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| 100 | } |
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| 101 | $false = false; |
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| 102 | return empty($arr) ? $false : $arr; |
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| 103 | } |
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| 104 | |
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| 105 | function CreateSequence($seq='adodbseq',$start=1) |
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| 106 | { |
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| 107 | |
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| 108 | $this->Execute('BEGIN TRANSACTION adodbseq'); |
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| 109 | $start -= 1; |
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| 110 | $this->Execute("create table $seq (id float(53))"); |
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| 111 | $ok = $this->Execute("insert into $seq with (tablock,holdlock) values($start)"); |
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| 112 | if (!$ok) { |
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| 113 | $this->Execute('ROLLBACK TRANSACTION adodbseq'); |
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| 114 | return false; |
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| 115 | } |
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| 116 | $this->Execute('COMMIT TRANSACTION adodbseq'); |
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| 117 | return true; |
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| 118 | } |
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| 119 | |
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| 120 | function GenID($seq='adodbseq',$start=1) |
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| 121 | { |
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| 122 | //$this->debug=1; |
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| 123 | $this->Execute('BEGIN TRANSACTION adodbseq'); |
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| 124 | $ok = $this->Execute("update $seq with (tablock,holdlock) set id = id + 1"); |
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| 125 | if (!$ok) { |
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| 126 | $this->Execute("create table $seq (id float(53))"); |
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| 127 | $ok = $this->Execute("insert into $seq with (tablock,holdlock) values($start)"); |
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| 128 | if (!$ok) { |
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| 129 | $this->Execute('ROLLBACK TRANSACTION adodbseq'); |
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| 130 | return false; |
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| 131 | } |
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| 132 | $this->Execute('COMMIT TRANSACTION adodbseq'); |
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| 133 | return $start; |
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| 134 | } |
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| 135 | $num = $this->GetOne("select id from $seq"); |
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| 136 | $this->Execute('COMMIT TRANSACTION adodbseq'); |
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| 137 | return $num; |
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| 138 | |
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| 139 | // in old implementation, pre 1.90, we returned GUID... |
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| 140 | //return $this->GetOne("SELECT CONVERT(varchar(255), NEWID()) AS 'Char'"); |
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| 141 | } |
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| 142 | |
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| 143 | } // end class |
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| 144 | |
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| 145 | class ADORecordSet_ado_mssql extends ADORecordSet_ado { |
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| 146 | |
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| 147 | var $databaseType = 'ado_mssql'; |
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| 148 | |
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| 149 | function ADORecordSet_ado_mssql($id,$mode=false) |
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| 150 | { |
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| 151 | return $this->ADORecordSet_ado($id,$mode); |
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| 152 | } |
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| 153 | } |
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| 154 | ?> |
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