initial checking of customized version 1.0rc9

1 files changed, 1194 insertions, 0 deletions

diff --git a/vendor/adodb/adodb-php/drivers/adodb-mssql.inc.php b/vendor/adodb/adodb-php/drivers/adodb-mssql.inc.php
new file mode 100644
index 0000000..b9aab8e
--- /dev/null
+++ b/vendor/adodb/adodb-php/drivers/adodb-mssql.inc.php
@@ -0,0 +1,1194 @@
+<?php
+/*
+@version   v5.20.14  06-Jan-2019
+@copyright (c) 2000-2013 John Lim (jlim#natsoft.com). All rights reserved.
+@copyright (c) 2014      Damien Regad, Mark Newnham and the ADOdb community
+  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.org/
+
+  Native mssql driver. Requires mssql client. Works on Windows.
+  To configure for Unix, see
+   	http://phpbuilder.com/columns/alberto20000919.php3
+
+*/
+
+
+// security - hide paths
+if (!defined('ADODB_DIR')) die();
+
+//----------------------------------------------------------------
+// MSSQL returns dates with the format Oct 13 2002 or 13 Oct 2002
+// and this causes tons of problems because localized versions of
+// MSSQL will return the dates in dmy or  mdy order; and also the
+// month strings depends on what language has been configured. The
+// following two variables allow you to control the localization
+// settings - Ugh.
+//
+// MORE LOCALIZATION INFO
+// ----------------------
+// To configure datetime, look for and modify sqlcommn.loc,
+//  	typically found in c:\mssql\install
+// Also read :
+//	 http://support.microsoft.com/default.aspx?scid=kb;EN-US;q220918
+// Alternatively use:
+// 	   CONVERT(char(12),datecol,120)
+//----------------------------------------------------------------
+
+
+// has datetime converstion to YYYY-MM-DD format, and also mssql_fetch_assoc
+if (ADODB_PHPVER >= 0x4300) {
+// docs say 4.2.0, but testing shows only since 4.3.0 does it work!
+	ini_set('mssql.datetimeconvert',0);
+} else {
+global $ADODB_mssql_mths;		// array, months must be upper-case
+
+
+	$ADODB_mssql_date_order = 'mdy';
+	$ADODB_mssql_mths = array(
+		'JAN'=>1,'FEB'=>2,'MAR'=>3,'APR'=>4,'MAY'=>5,'JUN'=>6,
+		'JUL'=>7,'AUG'=>8,'SEP'=>9,'OCT'=>10,'NOV'=>11,'DEC'=>12);
+}
+
+//---------------------------------------------------------------------------
+// Call this to autoset $ADODB_mssql_date_order at the beginning of your code,
+// just after you connect to the database. Supports mdy and dmy only.
+// Not required for PHP 4.2.0 and above.
+function AutoDetect_MSSQL_Date_Order($conn)
+{
+global $ADODB_mssql_date_order;
+	$adate = $conn->GetOne('select getdate()');
+	if ($adate) {
+		$anum = (int) $adate;
+		if ($anum > 0) {
+			if ($anum > 31) {
+				//ADOConnection::outp( "MSSQL: YYYY-MM-DD date format not supported currently");
+			} else
+				$ADODB_mssql_date_order = 'dmy';
+		} else
+			$ADODB_mssql_date_order = 'mdy';
+	}
+}
+
+class ADODB_mssql extends ADOConnection {
+	var $databaseType = "mssql";
+	var $dataProvider = "mssql";
+	var $replaceQuote = "''"; // string to use to replace quotes
+	var $fmtDate = "'Y-m-d'";
+	var $fmtTimeStamp = "'Y-m-d\TH:i:s'";
+	var $hasInsertID = true;
+	var $substr = "substring";
+	var $length = 'len';
+	var $hasAffectedRows = true;
+	var $metaDatabasesSQL = "select name from sysdatabases where name <> 'master'";
+	var $metaTablesSQL="select name,case when type='U' then 'T' else 'V' end from sysobjects where (type='U' or type='V') and (name not in ('sysallocations','syscolumns','syscomments','sysdepends','sysfilegroups','sysfiles','sysfiles1','sysforeignkeys','sysfulltextcatalogs','sysindexes','sysindexkeys','sysmembers','sysobjects','syspermissions','sysprotects','sysreferences','systypes','sysusers','sysalternates','sysconstraints','syssegments','REFERENTIAL_CONSTRAINTS','CHECK_CONSTRAINTS','CONSTRAINT_TABLE_USAGE','CONSTRAINT_COLUMN_USAGE','VIEWS','VIEW_TABLE_USAGE','VIEW_COLUMN_USAGE','SCHEMATA','TABLES','TABLE_CONSTRAINTS','TABLE_PRIVILEGES','COLUMNS','COLUMN_DOMAIN_USAGE','COLUMN_PRIVILEGES','DOMAINS','DOMAIN_CONSTRAINTS','KEY_COLUMN_USAGE','dtproperties'))";
+	var $metaColumnsSQL = # xtype==61 is datetime
+	"select c.name,t.name,c.length,c.isnullable, c.status,
+		(case when c.xusertype=61 then 0 else c.xprec end),
+		(case when c.xusertype=61 then 0 else c.xscale end)
+	from syscolumns c join systypes t on t.xusertype=c.xusertype join sysobjects o on o.id=c.id where o.name='%s'";
+	var $hasTop = 'top';		// support mssql SELECT TOP 10 * FROM TABLE
+	var $hasGenID = true;
+	var $sysDate = 'convert(datetime,convert(char,GetDate(),102),102)';
+	var $sysTimeStamp = 'GetDate()';
+	var $_has_mssql_init;
+	var $maxParameterLen = 4000;
+	var $arrayClass = 'ADORecordSet_array_mssql';
+	var $uniqueSort = true;
+	var $leftOuter = '*=';
+	var $rightOuter = '=*';
+	var $ansiOuter = true; // for mssql7 or later
+	var $poorAffectedRows = true;
+	var $identitySQL = 'select SCOPE_IDENTITY()'; // 'select SCOPE_IDENTITY'; # for mssql 2000
+	var $uniqueOrderBy = true;
+	var $_bindInputArray = true;
+	var $forceNewConnect = false;
+
+	function __construct()
+	{
+		$this->_has_mssql_init = (strnatcmp(PHP_VERSION,'4.1.0')>=0);
+	}
+
+	function ServerInfo()
+	{
+	global $ADODB_FETCH_MODE;
+
+
+		if ($this->fetchMode === false) {
+			$savem = $ADODB_FETCH_MODE;
+			$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
+		} else
+			$savem = $this->SetFetchMode(ADODB_FETCH_NUM);
+
+		if (0) {
+			$stmt = $this->PrepareSP('sp_server_info');
+			$val = 2;
+			$this->Parameter($stmt,$val,'attribute_id');
+			$row = $this->GetRow($stmt);
+		}
+
+		$row = $this->GetRow("execute sp_server_info 2");
+
+
+		if ($this->fetchMode === false) {
+			$ADODB_FETCH_MODE = $savem;
+		} else
+			$this->SetFetchMode($savem);
+
+		$arr['description'] = $row[2];
+		$arr['version'] = ADOConnection::_findvers($arr['description']);
+		return $arr;
+	}
+
+	function IfNull( $field, $ifNull )
+	{
+		return " ISNULL($field, $ifNull) "; // if MS SQL Server
+	}
+
+	function _insertid()
+	{
+	// SCOPE_IDENTITY()
+	// Returns the last IDENTITY value inserted into an IDENTITY column in
+	// the same scope. A scope is a module -- a stored procedure, trigger,
+	// function, or batch. Thus, two statements are in the same scope if
+	// they are in the same stored procedure, function, or batch.
+        if ($this->lastInsID !== false) {
+            return $this->lastInsID; // InsID from sp_executesql call
+        } else {
+			return $this->GetOne($this->identitySQL);
+		}
+	}
+
+
+
+	/**
+	* Correctly quotes a string so that all strings are escaped. We prefix and append
+	* to the string single-quotes.
+	* An example is  $db->qstr("Don't bother",magic_quotes_runtime());
+	*
+	* @param s         the string to quote
+	* @param [magic_quotes]    if $s is GET/POST var, set to get_magic_quotes_gpc().
+	*              This undoes the stupidity of magic quotes for GPC.
+	*
+	* @return  quoted string to be sent back to database
+	*/
+	function qstr($s,$magic_quotes=false)
+	{
+ 		if (!$magic_quotes) {
+ 			return  "'".str_replace("'",$this->replaceQuote,$s)."'";
+		}
+
+ 		// undo magic quotes for " unless sybase is on
+ 		$sybase = ini_get('magic_quotes_sybase');
+ 		if (!$sybase) {
+ 			$s = str_replace('\\"','"',$s);
+ 			if ($this->replaceQuote == "\\'")  // ' already quoted, no need to change anything
+ 				return "'$s'";
+ 			else {// change \' to '' for sybase/mssql
+ 				$s = str_replace('\\\\','\\',$s);
+ 				return "'".str_replace("\\'",$this->replaceQuote,$s)."'";
+ 			}
+ 		} else {
+ 			return "'".$s."'";
+		}
+	}
+// moodle change end - see readme_moodle.txt
+
+	function _affectedrows()
+	{
+		return $this->GetOne('select @@rowcount');
+	}
+
+	var $_dropSeqSQL = "drop table %s";
+
+	function CreateSequence($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 $this->GetOne("SELECT CONVERT(varchar(255), NEWID()) AS 'Char'");
+	}
+
+
+	function SelectLimit($sql,$nrows=-1,$offset=-1, $inputarr=false,$secs2cache=0)
+	{
+		$nrows = (int) $nrows;
+		$offset = (int) $offset;
+		if ($nrows > 0 && $offset <= 0) {
+			$sql = preg_replace(
+				'/(^\s*select\s+(distinctrow|distinct)?)/i','\\1 '.$this->hasTop." $nrows ",$sql);
+
+			if ($secs2cache)
+				$rs = $this->CacheExecute($secs2cache, $sql, $inputarr);
+			else
+				$rs = $this->Execute($sql,$inputarr);
+		} else
+			$rs = ADOConnection::SelectLimit($sql,$nrows,$offset,$inputarr,$secs2cache);
+
+		return $rs;
+	}
+
+
+	// Format date column in sql string given an input format that understands Y M D
+	function SQLDate($fmt, $col=false)
+	{
+		if (!$col) $col = $this->sysTimeStamp;
+		$s = '';
+
+		$len = strlen($fmt);
+		for ($i=0; $i < $len; $i++) {
+			if ($s) $s .= '+';
+			$ch = $fmt[$i];
+			switch($ch) {
+			case 'Y':
+			case 'y':
+				$s .= "datename(yyyy,$col)";
+				break;
+			case 'M':
+				$s .= "convert(char(3),$col,0)";
+				break;
+			case 'm':
+				$s .= "replace(str(month($col),2),' ','0')";
+				break;
+			case 'Q':
+			case 'q':
+				$s .= "datename(quarter,$col)";
+				break;
+			case 'D':
+			case 'd':
+				$s .= "replace(str(day($col),2),' ','0')";
+				break;
+			case 'h':
+				$s .= "substring(convert(char(14),$col,0),13,2)";
+				break;
+
+			case 'H':
+				$s .= "replace(str(datepart(hh,$col),2),' ','0')";
+				break;
+
+			case 'i':
+				$s .= "replace(str(datepart(mi,$col),2),' ','0')";
+				break;
+			case 's':
+				$s .= "replace(str(datepart(ss,$col),2),' ','0')";
+				break;
+			case 'a':
+			case 'A':
+				$s .= "substring(convert(char(19),$col,0),18,2)";
+				break;
+
+			default:
+				if ($ch == '\\') {
+					$i++;
+					$ch = substr($fmt,$i,1);
+				}
+				$s .= $this->qstr($ch);
+				break;
+			}
+		}
+		return $s;
+	}
+
+
+	function BeginTrans()
+	{
+		if ($this->transOff) return true;
+		$this->transCnt += 1;
+	   	$ok = $this->Execute('BEGIN TRAN');
+	   	return $ok;
+	}
+
+	function CommitTrans($ok=true)
+	{
+		if ($this->transOff) return true;
+		if (!$ok) return $this->RollbackTrans();
+		if ($this->transCnt) $this->transCnt -= 1;
+		$ok = $this->Execute('COMMIT TRAN');
+		return $ok;
+	}
+	function RollbackTrans()
+	{
+		if ($this->transOff) return true;
+		if ($this->transCnt) $this->transCnt -= 1;
+		$ok = $this->Execute('ROLLBACK TRAN');
+		return $ok;
+	}
+
+	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);
+	}
+
+	/*
+		Usage:
+
+		$this->BeginTrans();
+		$this->RowLock('table1,table2','table1.id=33 and table2.id=table1.id'); # lock row 33 for both tables
+
+		# some operation on both tables table1 and table2
+
+		$this->CommitTrans();
+
+		See http://www.swynk.com/friends/achigrik/SQL70Locks.asp
+	*/
+	function RowLock($tables,$where,$col='1 as adodbignore')
+	{
+		if ($col == '1 as adodbignore') $col = 'top 1 null as ignore';
+		if (!$this->transCnt) $this->BeginTrans();
+		return $this->GetOne("select $col from $tables with (ROWLOCK,HOLDLOCK) where $where");
+	}
+
+
+	function MetaColumns($table, $normalize=true)
+	{
+//		$arr = ADOConnection::MetaColumns($table);
+//		return $arr;
+
+		$this->_findschema($table,$schema);
+		if ($schema) {
+			$dbName = $this->database;
+			$this->SelectDB($schema);
+		}
+		global $ADODB_FETCH_MODE;
+		$save = $ADODB_FETCH_MODE;
+		$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
+
+		if ($this->fetchMode !== false) $savem = $this->SetFetchMode(false);
+		$rs = $this->Execute(sprintf($this->metaColumnsSQL,$table));
+
+		if ($schema) {
+			$this->SelectDB($dbName);
+		}
+
+		if (isset($savem)) $this->SetFetchMode($savem);
+		$ADODB_FETCH_MODE = $save;
+		if (!is_object($rs)) {
+			$false = false;
+			return $false;
+		}
+
+		$retarr = array();
+		while (!$rs->EOF){
+			$fld = new ADOFieldObject();
+			$fld->name = $rs->fields[0];
+			$fld->type = $rs->fields[1];
+
+			$fld->not_null = (!$rs->fields[3]);
+			$fld->auto_increment = ($rs->fields[4] == 128);		// sys.syscolumns status field. 0x80 = 128 ref: http://msdn.microsoft.com/en-us/library/ms186816.aspx
+
+			if (isset($rs->fields[5]) && $rs->fields[5]) {
+				if ($rs->fields[5]>0) $fld->max_length = $rs->fields[5];
+				$fld->scale = $rs->fields[6];
+				if ($fld->scale>0) $fld->max_length += 1;
+			} else
+				$fld->max_length = $rs->fields[2];
+
+			if ($save == ADODB_FETCH_NUM) {
+				$retarr[] = $fld;
+			} else {
+				$retarr[strtoupper($fld->name)] = $fld;
+			}
+				$rs->MoveNext();
+			}
+
+			$rs->Close();
+			return $retarr;
+
+	}
+
+
+	function MetaIndexes($table,$primary=false, $owner=false)
+	{
+		$table = $this->qstr($table);
+
+		$sql = "SELECT i.name AS ind_name, C.name AS col_name, USER_NAME(O.uid) AS Owner, c.colid, k.Keyno,
+			CASE WHEN I.indid BETWEEN 1 AND 254 AND (I.status & 2048 = 2048 OR I.Status = 16402 AND O.XType = 'V') THEN 1 ELSE 0 END AS IsPK,
+			CASE WHEN I.status & 2 = 2 THEN 1 ELSE 0 END AS IsUnique
+			FROM dbo.sysobjects o INNER JOIN dbo.sysindexes I ON o.id = i.id
+			INNER JOIN dbo.sysindexkeys K ON I.id = K.id AND I.Indid = K.Indid
+			INNER JOIN dbo.syscolumns c ON K.id = C.id AND K.colid = C.Colid
+			WHERE LEFT(i.name, 8) <> '_WA_Sys_' AND o.status >= 0 AND O.Name LIKE $table
+			ORDER BY O.name, I.Name, K.keyno";
+
+		global $ADODB_FETCH_MODE;
+		$save = $ADODB_FETCH_MODE;
+        $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
+        if ($this->fetchMode !== FALSE) {
+        	$savem = $this->SetFetchMode(FALSE);
+        }
+
+        $rs = $this->Execute($sql);
+        if (isset($savem)) {
+        	$this->SetFetchMode($savem);
+        }
+        $ADODB_FETCH_MODE = $save;
+
+        if (!is_object($rs)) {
+        	return FALSE;
+        }
+
+		$indexes = array();
+		while ($row = $rs->FetchRow()) {
+			if ($primary && !$row[5]) continue;
+
+            $indexes[$row[0]]['unique'] = $row[6];
+            $indexes[$row[0]]['columns'][] = $row[1];
+    	}
+        return $indexes;
+	}
+
+	function MetaForeignKeys($table, $owner=false, $upper=false)
+	{
+	global $ADODB_FETCH_MODE;
+
+		$save = $ADODB_FETCH_MODE;
+		$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
+		$table = $this->qstr(strtoupper($table));
+
+		$sql =
+"select object_name(constid) as constraint_name,
+	col_name(fkeyid, fkey) as column_name,
+	object_name(rkeyid) as referenced_table_name,
+   	col_name(rkeyid, rkey) as referenced_column_name
+from sysforeignkeys
+where upper(object_name(fkeyid)) = $table
+order by constraint_name, referenced_table_name, keyno";
+
+		$constraints = $this->GetArray($sql);
+
+		$ADODB_FETCH_MODE = $save;
+
+		$arr = false;
+		foreach($constraints as $constr) {
+			//print_r($constr);
+			$arr[$constr[0]][$constr[2]][] = $constr[1].'='.$constr[3];
+		}
+		if (!$arr) return false;
+
+		$arr2 = false;
+
+		foreach($arr as $k => $v) {
+			foreach($v as $a => $b) {
+				if ($upper) $a = strtoupper($a);
+				$arr2[$a] = $b;
+			}
+		}
+		return $arr2;
+	}
+
+	//From: Fernando Moreira <FMoreira@imediata.pt>
+	function MetaDatabases()
+	{
+		if(@mssql_select_db("master")) {
+				 $qry=$this->metaDatabasesSQL;
+				 if($rs=@mssql_query($qry,$this->_connectionID)){
+						 $tmpAr=$ar=array();
+						 while($tmpAr=@mssql_fetch_row($rs))
+								 $ar[]=$tmpAr[0];
+						@mssql_select_db($this->database);
+						 if(sizeof($ar))
+								 return($ar);
+						 else
+								 return(false);
+				 } else {
+						 @mssql_select_db($this->database);
+						 return(false);
+				 }
+		 }
+		 return(false);
+	}
+
+	// "Stein-Aksel Basma" <basma@accelero.no>
+	// tested with MSSQL 2000
+	function MetaPrimaryKeys($table, $owner=false)
+	{
+	global $ADODB_FETCH_MODE;
+
+		$schema = '';
+		$this->_findschema($table,$schema);
+		if (!$schema) $schema = $this->database;
+		if ($schema) $schema = "and k.table_catalog like '$schema%'";
+
+		$sql = "select distinct k.column_name,ordinal_position from information_schema.key_column_usage k,
+		information_schema.table_constraints tc
+		where tc.constraint_name = k.constraint_name and tc.constraint_type =
+		'PRIMARY KEY' and k.table_name = '$table' $schema order by ordinal_position ";
+
+		$savem = $ADODB_FETCH_MODE;
+		$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
+		$a = $this->GetCol($sql);
+		$ADODB_FETCH_MODE = $savem;
+
+		if ($a && sizeof($a)>0) return $a;
+		$false = false;
+		return $false;
+	}
+
+
+	function MetaTables($ttype=false,$showSchema=false,$mask=false)
+	{
+		if ($mask) {
+			$save = $this->metaTablesSQL;
+			$mask = $this->qstr(($mask));
+			$this->metaTablesSQL .= " AND name like $mask";
+		}
+		$ret = ADOConnection::MetaTables($ttype,$showSchema);
+
+		if ($mask) {
+			$this->metaTablesSQL = $save;
+		}
+		return $ret;
+	}
+
+	function SelectDB($dbName)
+	{
+		$this->database = $dbName;
+		$this->databaseName = $dbName; # obsolete, retained for compat with older adodb versions
+		if ($this->_connectionID) {
+			return @mssql_select_db($dbName);
+		}
+		else return false;
+	}
+
+	function ErrorMsg()
+	{
+		if (empty($this->_errorMsg)){
+			$this->_errorMsg = mssql_get_last_message();
+		}
+		return $this->_errorMsg;
+	}
+
+	function ErrorNo()
+	{
+		if ($this->_logsql && $this->_errorCode !== false) return $this->_errorCode;
+		if (empty($this->_errorMsg)) {
+			$this->_errorMsg = mssql_get_last_message();
+		}
+		$id = @mssql_query("select @@ERROR",$this->_connectionID);
+		if (!$id) return false;
+		$arr = mssql_fetch_array($id);
+		@mssql_free_result($id);
+		if (is_array($arr)) return $arr[0];
+	   else return -1;
+	}
+
+	// returns true or false, newconnect supported since php 5.1.0.
+	function _connect($argHostname, $argUsername, $argPassword, $argDatabasename,$newconnect=false)
+	{
+		if (!function_exists('mssql_pconnect')) return null;
+		$this->_connectionID = mssql_connect($argHostname,$argUsername,$argPassword,$newconnect);
+		if ($this->_connectionID === false) return false;
+		if ($argDatabasename) return $this->SelectDB($argDatabasename);
+		return true;
+	}
+
+
+	// returns true or false
+	function _pconnect($argHostname, $argUsername, $argPassword, $argDatabasename)
+	{
+		if (!function_exists('mssql_pconnect')) return null;
+		$this->_connectionID = mssql_pconnect($argHostname,$argUsername,$argPassword);
+		if ($this->_connectionID === false) return false;
+
+		// persistent connections can forget to rollback on crash, so we do it here.
+		if ($this->autoRollback) {
+			$cnt = $this->GetOne('select @@TRANCOUNT');
+			while (--$cnt >= 0) $this->Execute('ROLLBACK TRAN');
+		}
+		if ($argDatabasename) return $this->SelectDB($argDatabasename);
+		return true;
+	}
+
+	function _nconnect($argHostname, $argUsername, $argPassword, $argDatabasename)
+    {
+		return $this->_connect($argHostname, $argUsername, $argPassword, $argDatabasename, true);
+    }
+
+	function Prepare($sql)
+	{
+		$sqlarr = explode('?',$sql);
+		if (sizeof($sqlarr) <= 1) return $sql;
+		$sql2 = $sqlarr[0];
+		for ($i = 1, $max = sizeof($sqlarr); $i < $max; $i++) {
+			$sql2 .=  '@P'.($i-1) . $sqlarr[$i];
+		}
+		return array($sql,$this->qstr($sql2),$max,$sql2);
+	}
+
+	function PrepareSP($sql,$param=true)
+	{
+		if (!$this->_has_mssql_init) {
+			ADOConnection::outp( "PrepareSP: mssql_init only available since PHP 4.1.0");
+			return $sql;
+		}
+		$stmt = mssql_init($sql,$this->_connectionID);
+		if (!$stmt)  return $sql;
+		return array($sql,$stmt);
+	}
+
+	// returns concatenated string
+    // MSSQL requires integers to be cast as strings
+    // automatically cast every datatype to VARCHAR(255)
+    // @author David Rogers (introspectshun)
+    function Concat()
+    {
+            $s = "";
+            $arr = func_get_args();
+
+            // Split single record on commas, if possible
+            if (sizeof($arr) == 1) {
+                foreach ($arr as $arg) {
+                    $args = explode(',', $arg);
+                }
+                $arr = $args;
+            }
+
+			array_walk(
+				$arr,
+				function(&$value, $key) {
+					$value = "CAST(" . $value . " AS VARCHAR(255))";
+				}
+			);
+            $s = implode('+',$arr);
+            if (sizeof($arr) > 0) return "$s";
+
+			return '';
+    }
+
+	/*
+	Usage:
+		$stmt = $db->PrepareSP('SP_RUNSOMETHING'); -- takes 2 params, @myid and @group
+
+		# note that the parameter does not have @ in front!
+		$db->Parameter($stmt,$id,'myid');
+		$db->Parameter($stmt,$group,'group',false,64);
+		$db->Execute($stmt);
+
+		@param $stmt Statement returned by Prepare() or PrepareSP().
+		@param $var PHP variable to bind to. Can set to null (for isNull support).
+		@param $name Name of stored procedure variable name to bind to.
+		@param [$isOutput] Indicates direction of parameter 0/false=IN  1=OUT  2= IN/OUT. This is ignored in oci8.
+		@param [$maxLen] Holds an maximum length of the variable.
+		@param [$type] The data type of $var. Legal values depend on driver.
+
+		See mssql_bind documentation at php.net.
+	*/
+	function Parameter(&$stmt, &$var, $name, $isOutput=false, $maxLen=4000, $type=false)
+	{
+		if (!$this->_has_mssql_init) {
+			ADOConnection::outp( "Parameter: mssql_bind only available since PHP 4.1.0");
+			return false;
+		}
+
+		$isNull = is_null($var); // php 4.0.4 and above...
+
+		if ($type === false)
+			switch(gettype($var)) {
+			default:
+			case 'string': $type = SQLVARCHAR; break;
+			case 'double': $type = SQLFLT8; break;
+			case 'integer': $type = SQLINT4; break;
+			case 'boolean': $type = SQLINT1; break; # SQLBIT not supported in 4.1.0
+			}
+
+		if  ($this->debug) {
+			$prefix = ($isOutput) ? 'Out' : 'In';
+			$ztype = (empty($type)) ? 'false' : $type;
+			ADOConnection::outp( "{$prefix}Parameter(\$stmt, \$php_var='$var', \$name='$name', \$maxLen=$maxLen, \$type=$ztype);");
+		}
+		/*
+			See http://phplens.com/lens/lensforum/msgs.php?id=7231
+
+			RETVAL is HARD CODED into php_mssql extension:
+			The return value (a long integer value) is treated like a special OUTPUT parameter,
+			called "RETVAL" (without the @). See the example at mssql_execute to
+			see how it works. - type: one of this new supported PHP constants.
+				SQLTEXT, SQLVARCHAR,SQLCHAR, SQLINT1,SQLINT2, SQLINT4, SQLBIT,SQLFLT8
+		*/
+		if ($name !== 'RETVAL') $name = '@'.$name;
+		return mssql_bind($stmt[1], $name, $var, $type, $isOutput, $isNull, $maxLen);
+	}
+
+	/*
+		Unfortunately, it appears that mssql cannot handle varbinary > 255 chars
+		So all your blobs must be of type "image".
+
+		Remember to set in php.ini the following...
+
+		; Valid range 0 - 2147483647. Default = 4096.
+		mssql.textlimit = 0 ; zero to pass through
+
+		; Valid range 0 - 2147483647. Default = 4096.
+		mssql.textsize = 0 ; zero to pass through
+	*/
+	function UpdateBlob($table,$column,$val,$where,$blobtype='BLOB')
+	{
+
+		if (strtoupper($blobtype) == 'CLOB') {
+			$sql = "UPDATE $table SET $column='" . $val . "' WHERE $where";
+			return $this->Execute($sql) != false;
+		}
+		$sql = "UPDATE $table SET $column=0x".bin2hex($val)." WHERE $where";
+		return $this->Execute($sql) != false;
+	}
+
+	// returns query ID if successful, otherwise false
+	function _query($sql,$inputarr=false)
+	{
+		$this->_errorMsg = false;
+		if (is_array($inputarr)) {
+
+			# bind input params with sp_executesql:
+			# see http://www.quest-pipelines.com/newsletter-v3/0402_F.htm
+			# works only with sql server 7 and newer
+            $getIdentity = false;
+            if (!is_array($sql) && preg_match('/^\\s*insert/i', $sql)) {
+                $getIdentity = true;
+                $sql .= (preg_match('/;\\s*$/i', $sql) ? ' ' : '; ') . $this->identitySQL;
+            }
+			if (!is_array($sql)) $sql = $this->Prepare($sql);
+			$params = '';
+			$decl = '';
+			$i = 0;
+			foreach($inputarr as $v) {
+				if ($decl) {
+					$decl .= ', ';
+					$params .= ', ';
+				}
+				if (is_string($v)) {
+					$len = strlen($v);
+					if ($len == 0) $len = 1;
+
+					if ($len > 4000 ) {
+						// NVARCHAR is max 4000 chars. Let's use NTEXT
+						$decl .= "@P$i NTEXT";
+					} else {
+						$decl .= "@P$i NVARCHAR($len)";
+					}
+
+
+					if (substr($v,0,1) == "'" && substr($v,-1,1) == "'")
+						/*
+						* String is already fully quoted
+						*/
+						$inputVar = $v;
+					else
+						$inputVar = $this->qstr($v);
+
+					$params .= "@P$i=N" . $inputVar;	
+				} else if (is_integer($v)) {
+					$decl .= "@P$i INT";
+					$params .= "@P$i=".$v;
+				} else if (is_float($v)) {
+					$decl .= "@P$i FLOAT";
+					$params .= "@P$i=".$v;
+				} else if (is_bool($v)) {
+					$decl .= "@P$i INT"; # Used INT just in case BIT in not supported on the user's MSSQL version. It will cast appropriately.
+					$params .= "@P$i=".(($v)?'1':'0'); # True == 1 in MSSQL BIT fields and acceptable for storing logical true in an int field
+				} else {
+					$decl .= "@P$i CHAR"; # Used char because a type is required even when the value is to be NULL.
+					$params .= "@P$i=NULL";
+					}
+				$i += 1;
+			}
+			$decl = $this->qstr($decl);
+			if ($this->debug) ADOConnection::outp("<font size=-1>sp_executesql N{$sql[1]},N$decl,$params</font>");
+			$rez = mssql_query("sp_executesql N{$sql[1]},N$decl,$params", $this->_connectionID);
+            if ($getIdentity) {
+                $arr = @mssql_fetch_row($rez);
+                $this->lastInsID = isset($arr[0]) ? $arr[0] : false;
+                @mssql_data_seek($rez, 0);
+            }
+
+		} else if (is_array($sql)) {
+			# PrepareSP()
+			$rez = mssql_execute($sql[1]);
+            $this->lastInsID = false;
+
+		} else {
+			$rez = mssql_query($sql,$this->_connectionID);
+            $this->lastInsID = false;
+		}
+		return $rez;
+	}
+
+	// returns true or false
+	function _close()
+	{
+		if ($this->transCnt) $this->RollbackTrans();
+		$rez = @mssql_close($this->_connectionID);
+		$this->_connectionID = false;
+		return $rez;
+	}
+
+	// mssql uses a default date like Dec 30 2000 12:00AM
+	static function UnixDate($v)
+	{
+		return ADORecordSet_array_mssql::UnixDate($v);
+	}
+
+	static function UnixTimeStamp($v)
+	{
+		return ADORecordSet_array_mssql::UnixTimeStamp($v);
+	}
+}
+
+/*--------------------------------------------------------------------------------------
+	 Class Name: Recordset
+--------------------------------------------------------------------------------------*/
+
+class ADORecordset_mssql extends ADORecordSet {
+
+	var $databaseType = "mssql";
+	var $canSeek = true;
+	var $hasFetchAssoc; // see http://phplens.com/lens/lensforum/msgs.php?id=6083
+	// _mths works only in non-localised system
+
+	function __construct($id,$mode=false)
+	{
+		// freedts check...
+		$this->hasFetchAssoc = function_exists('mssql_fetch_assoc');
+
+		if ($mode === false) {
+			global $ADODB_FETCH_MODE;
+			$mode = $ADODB_FETCH_MODE;
+
+		}
+		$this->fetchMode = $mode;
+		return parent::__construct($id,$mode);
+	}
+
+
+	function _initrs()
+	{
+	GLOBAL $ADODB_COUNTRECS;
+		$this->_numOfRows = ($ADODB_COUNTRECS)? @mssql_num_rows($this->_queryID):-1;
+		$this->_numOfFields = @mssql_num_fields($this->_queryID);
+	}
+
+
+	//Contributed by "Sven Axelsson" <sven.axelsson@bokochwebb.se>
+	// get next resultset - requires PHP 4.0.5 or later
+	function NextRecordSet()
+	{
+		if (!mssql_next_result($this->_queryID)) return false;
+		$this->_inited = false;
+		$this->bind = false;
+		$this->_currentRow = -1;
+		$this->Init();
+		return true;
+	}
+
+	/* Use associative array to get fields array */
+	function Fields($colname)
+	{
+		if ($this->fetchMode != ADODB_FETCH_NUM) return $this->fields[$colname];
+		if (!$this->bind) {
+			$this->bind = array();
+			for ($i=0; $i < $this->_numOfFields; $i++) {
+				$o = $this->FetchField($i);
+				$this->bind[strtoupper($o->name)] = $i;
+			}
+		}
+
+		 return $this->fields[$this->bind[strtoupper($colname)]];
+	}
+
+	/*	Returns: an object containing field information.
+		Get column information in the Recordset object. fetchField() can be used in order to obtain information about
+		fields in a certain query result. If the field offset isn't specified, the next field that wasn't yet retrieved by
+		fetchField() is retrieved.	*/
+
+	function FetchField($fieldOffset = -1)
+	{
+		if ($fieldOffset != -1) {
+			$f = @mssql_fetch_field($this->_queryID, $fieldOffset);
+		}
+		else if ($fieldOffset == -1) {	/*	The $fieldOffset argument is not provided thus its -1 	*/
+			$f = @mssql_fetch_field($this->_queryID);
+		}
+		$false = false;
+		if (empty($f)) return $false;
+		return $f;
+	}
+
+	function _seek($row)
+	{
+		return @mssql_data_seek($this->_queryID, $row);
+	}
+
+	// speedup
+	function MoveNext()
+	{
+		if ($this->EOF) return false;
+
+		$this->_currentRow++;
+
+		if ($this->fetchMode & ADODB_FETCH_ASSOC) {
+			if ($this->fetchMode & ADODB_FETCH_NUM) {
+				//ADODB_FETCH_BOTH mode
+				$this->fields = @mssql_fetch_array($this->_queryID);
+			}
+			else {
+				if ($this->hasFetchAssoc) {// only for PHP 4.2.0 or later
+					 $this->fields = @mssql_fetch_assoc($this->_queryID);
+				} else {
+					$flds = @mssql_fetch_array($this->_queryID);
+					if (is_array($flds)) {
+						$fassoc = array();
+						foreach($flds as $k => $v) {
+							if (is_numeric($k)) continue;
+							$fassoc[$k] = $v;
+						}
+						$this->fields = $fassoc;
+					} else
+						$this->fields = false;
+				}
+			}
+
+			if (is_array($this->fields)) {
+				if (ADODB_ASSOC_CASE == 0) {
+					foreach($this->fields as $k=>$v) {
+						$kn = strtolower($k);
+						if ($kn <> $k) {
+							unset($this->fields[$k]);
+							$this->fields[$kn] = $v;
+						}
+					}
+				} else if (ADODB_ASSOC_CASE == 1) {
+					foreach($this->fields as $k=>$v) {
+						$kn = strtoupper($k);
+						if ($kn <> $k) {
+							unset($this->fields[$k]);
+							$this->fields[$kn] = $v;
+						}
+					}
+				}
+			}
+		} else {
+			$this->fields = @mssql_fetch_row($this->_queryID);
+		}
+		if ($this->fields) return true;
+		$this->EOF = true;
+
+		return false;
+	}
+
+
+	// INSERT UPDATE DELETE returns false even if no error occurs in 4.0.4
+	// also the date format has been changed from YYYY-mm-dd to dd MMM YYYY in 4.0.4. Idiot!
+	function _fetch($ignore_fields=false)
+	{
+		if ($this->fetchMode & ADODB_FETCH_ASSOC) {
+			if ($this->fetchMode & ADODB_FETCH_NUM) {
+				//ADODB_FETCH_BOTH mode
+				$this->fields = @mssql_fetch_array($this->_queryID);
+			} else {
+				if ($this->hasFetchAssoc) // only for PHP 4.2.0 or later
+					$this->fields = @mssql_fetch_assoc($this->_queryID);
+				else {
+					$this->fields = @mssql_fetch_array($this->_queryID);
+					if (@is_array($$this->fields)) {
+						$fassoc = array();
+						foreach($$this->fields as $k => $v) {
+							if (is_integer($k)) continue;
+							$fassoc[$k] = $v;
+						}
+						$this->fields = $fassoc;
+					}
+				}
+			}
+
+			if (!$this->fields) {
+			} else if (ADODB_ASSOC_CASE == 0) {
+				foreach($this->fields as $k=>$v) {
+					$kn = strtolower($k);
+					if ($kn <> $k) {
+						unset($this->fields[$k]);
+						$this->fields[$kn] = $v;
+					}
+				}
+			} else if (ADODB_ASSOC_CASE == 1) {
+				foreach($this->fields as $k=>$v) {
+					$kn = strtoupper($k);
+					if ($kn <> $k) {
+						unset($this->fields[$k]);
+						$this->fields[$kn] = $v;
+					}
+				}
+			}
+		} else {
+			$this->fields = @mssql_fetch_row($this->_queryID);
+		}
+		return $this->fields;
+	}
+
+	/*	close() only needs to be called if you are worried about using too much memory while your script
+		is running. All associated result memory for the specified result identifier will automatically be freed.	*/
+
+	function _close()
+	{
+		if($this->_queryID) {
+			$rez = mssql_free_result($this->_queryID);
+			$this->_queryID = false;
+			return $rez;
+		}
+		return true;
+	}
+
+	// mssql uses a default date like Dec 30 2000 12:00AM
+	static function UnixDate($v)
+	{
+		return ADORecordSet_array_mssql::UnixDate($v);
+	}
+
+	static function UnixTimeStamp($v)
+	{
+		return ADORecordSet_array_mssql::UnixTimeStamp($v);
+	}
+
+}
+
+
+class ADORecordSet_array_mssql extends ADORecordSet_array {
+	function __construct($id=-1,$mode=false)
+	{
+		parent::__construct($id,$mode);
+	}
+
+		// mssql uses a default date like Dec 30 2000 12:00AM
+	static function UnixDate($v)
+	{
+
+		if (is_numeric(substr($v,0,1)) && ADODB_PHPVER >= 0x4200) return parent::UnixDate($v);
+
+	global $ADODB_mssql_mths,$ADODB_mssql_date_order;
+
+		//Dec 30 2000 12:00AM
+		if ($ADODB_mssql_date_order == 'dmy') {
+			if (!preg_match( "|^([0-9]{1,2})[-/\. ]+([A-Za-z]{3})[-/\. ]+([0-9]{4})|" ,$v, $rr)) {
+				return parent::UnixDate($v);
+			}
+			if ($rr[3] <= TIMESTAMP_FIRST_YEAR) return 0;
+
+			$theday = $rr[1];
+			$themth =  substr(strtoupper($rr[2]),0,3);
+		} else {
+			if (!preg_match( "|^([A-Za-z]{3})[-/\. ]+([0-9]{1,2})[-/\. ]+([0-9]{4})|" ,$v, $rr)) {
+				return parent::UnixDate($v);
+			}
+			if ($rr[3] <= TIMESTAMP_FIRST_YEAR) return 0;
+
+			$theday = $rr[2];
+			$themth = substr(strtoupper($rr[1]),0,3);
+		}
+		$themth = $ADODB_mssql_mths[$themth];
+		if ($themth <= 0) return false;
+		// h-m-s-MM-DD-YY
+		return  mktime(0,0,0,$themth,$theday,$rr[3]);
+	}
+
+	static function UnixTimeStamp($v)
+	{
+
+		if (is_numeric(substr($v,0,1)) && ADODB_PHPVER >= 0x4200) return parent::UnixTimeStamp($v);
+
+	global $ADODB_mssql_mths,$ADODB_mssql_date_order;
+
+		//Dec 30 2000 12:00AM
+		 if ($ADODB_mssql_date_order == 'dmy') {
+			 if (!preg_match( "|^([0-9]{1,2})[-/\. ]+([A-Za-z]{3})[-/\. ]+([0-9]{4}) +([0-9]{1,2}):([0-9]{1,2}) *([apAP]{0,1})|"
+			,$v, $rr)) return parent::UnixTimeStamp($v);
+			if ($rr[3] <= TIMESTAMP_FIRST_YEAR) return 0;
+
+			$theday = $rr[1];
+			$themth =  substr(strtoupper($rr[2]),0,3);
+		} else {
+			if (!preg_match( "|^([A-Za-z]{3})[-/\. ]+([0-9]{1,2})[-/\. ]+([0-9]{4}) +([0-9]{1,2}):([0-9]{1,2}) *([apAP]{0,1})|"
+			,$v, $rr)) return parent::UnixTimeStamp($v);
+			if ($rr[3] <= TIMESTAMP_FIRST_YEAR) return 0;
+
+			$theday = $rr[2];
+			$themth = substr(strtoupper($rr[1]),0,3);
+		}
+
+		$themth = $ADODB_mssql_mths[$themth];
+		if ($themth <= 0) return false;
+
+		switch (strtoupper($rr[6])) {
+		case 'P':
+			if ($rr[4]<12) $rr[4] += 12;
+			break;
+		case 'A':
+			if ($rr[4]==12) $rr[4] = 0;
+			break;
+		default:
+			break;
+		}
+		// h-m-s-MM-DD-YY
+		return  mktime($rr[4],$rr[5],0,$themth,$theday,$rr[3]);
+	}
+}
+
+/*
+Code Example 1:
+
+select 	object_name(constid) as constraint_name,
+       	object_name(fkeyid) as table_name,
+        col_name(fkeyid, fkey) as column_name,
+	object_name(rkeyid) as referenced_table_name,
+   	col_name(rkeyid, rkey) as referenced_column_name
+from sysforeignkeys
+where object_name(fkeyid) = x
+order by constraint_name, table_name, referenced_table_name,  keyno
+
+Code Example 2:
+select 	constraint_name,
+	column_name,
+	ordinal_position
+from information_schema.key_column_usage
+where constraint_catalog = db_name()
+and table_name = x
+order by constraint_name, ordinal_position
+
+http://www.databasejournal.com/scripts/article.php/1440551
+*/