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+<?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
+*/