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150 lines
4.3 KiB
150 lines
4.3 KiB
<?php
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/*
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@version v5.20.9 21-Dec-2016
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@copyright (c) 2000-2013 John Lim (jlim#natsoft.com). All rights reserved.
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@copyright (c) 2014 Damien Regad, Mark Newnham and the ADOdb community
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Released under both BSD license and Lesser GPL library license.
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Whenever there is any discrepancy between the two licenses,
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the BSD license will take precedence.
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Set tabs to 4 for best viewing.
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Latest version is available at http://adodb.sourceforge.net
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Microsoft SQL Server ADO data driver. Requires ADO and MSSQL client.
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Works only on MS Windows.
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Warning: Some versions of PHP (esp PHP4) leak memory when ADO/COM is used.
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Please check http://bugs.php.net/ for more info.
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*/
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// security - hide paths
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if (!defined('ADODB_DIR')) die();
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if (!defined('_ADODB_ADO_LAYER')) {
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if (PHP_VERSION >= 5) include(ADODB_DIR."/drivers/adodb-ado5.inc.php");
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else include(ADODB_DIR."/drivers/adodb-ado.inc.php");
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}
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class ADODB_ado_mssql extends ADODB_ado {
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var $databaseType = 'ado_mssql';
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var $hasTop = 'top';
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var $hasInsertID = true;
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var $sysDate = 'convert(datetime,convert(char,GetDate(),102),102)';
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var $sysTimeStamp = 'GetDate()';
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var $leftOuter = '*=';
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var $rightOuter = '=*';
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var $ansiOuter = true; // for mssql7 or later
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var $substr = "substring";
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var $length = 'len';
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var $_dropSeqSQL = "drop table %s";
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//var $_inTransaction = 1; // always open recordsets, so no transaction problems.
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function _insertid()
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{
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return $this->GetOne('select SCOPE_IDENTITY()');
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}
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function _affectedrows()
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{
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return $this->GetOne('select @@rowcount');
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}
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function SetTransactionMode( $transaction_mode )
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{
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$this->_transmode = $transaction_mode;
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if (empty($transaction_mode)) {
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$this->Execute('SET TRANSACTION ISOLATION LEVEL READ COMMITTED');
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return;
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}
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if (!stristr($transaction_mode,'isolation')) $transaction_mode = 'ISOLATION LEVEL '.$transaction_mode;
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$this->Execute("SET TRANSACTION ".$transaction_mode);
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}
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function qstr($s,$magic_quotes=false)
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{
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$s = ADOConnection::qstr($s, $magic_quotes);
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return str_replace("\0", "\\\\000", $s);
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}
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function MetaColumns($table, $normalize=true)
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{
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$table = strtoupper($table);
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$arr= array();
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$dbc = $this->_connectionID;
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$osoptions = array();
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$osoptions[0] = null;
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$osoptions[1] = null;
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$osoptions[2] = $table;
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$osoptions[3] = null;
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$adors=@$dbc->OpenSchema(4, $osoptions);//tables
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if ($adors){
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while (!$adors->EOF){
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$fld = new ADOFieldObject();
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$c = $adors->Fields(3);
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$fld->name = $c->Value;
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$fld->type = 'CHAR'; // cannot discover type in ADO!
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$fld->max_length = -1;
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$arr[strtoupper($fld->name)]=$fld;
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$adors->MoveNext();
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}
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$adors->Close();
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}
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$false = false;
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return empty($arr) ? $false : $arr;
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}
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function CreateSequence($seq='adodbseq',$start=1)
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{
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$this->Execute('BEGIN TRANSACTION adodbseq');
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$start -= 1;
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$this->Execute("create table $seq (id float(53))");
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$ok = $this->Execute("insert into $seq with (tablock,holdlock) values($start)");
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if (!$ok) {
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$this->Execute('ROLLBACK TRANSACTION adodbseq');
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return false;
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}
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$this->Execute('COMMIT TRANSACTION adodbseq');
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return true;
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}
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function GenID($seq='adodbseq',$start=1)
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{
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//$this->debug=1;
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$this->Execute('BEGIN TRANSACTION adodbseq');
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$ok = $this->Execute("update $seq with (tablock,holdlock) set id = id + 1");
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if (!$ok) {
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$this->Execute("create table $seq (id float(53))");
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$ok = $this->Execute("insert into $seq with (tablock,holdlock) values($start)");
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if (!$ok) {
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$this->Execute('ROLLBACK TRANSACTION adodbseq');
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return false;
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}
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$this->Execute('COMMIT TRANSACTION adodbseq');
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return $start;
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}
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$num = $this->GetOne("select id from $seq");
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$this->Execute('COMMIT TRANSACTION adodbseq');
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return $num;
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// in old implementation, pre 1.90, we returned GUID...
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//return $this->GetOne("SELECT CONVERT(varchar(255), NEWID()) AS 'Char'");
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}
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} // end class
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class ADORecordSet_ado_mssql extends ADORecordSet_ado {
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var $databaseType = 'ado_mssql';
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function __construct($id,$mode=false)
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{
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return parent::__construct($id,$mode);
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}
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}
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