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adodb-mssql.inc.php
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adodb-mssql.inc.php
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<?php
/**
* Native MSSQL driver.
*
* Requires mssql client. Works on Windows.
*
* This file is part of ADOdb, a Database Abstraction Layer library for PHP.
*
* @package ADOdb
* @link https://adodb.org Project's web site and documentation
* @link https://github.com/ADOdb/ADOdb Source code and issue tracker
*
* The ADOdb Library is dual-licensed, released under both the BSD 3-Clause
* and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option,
* any later version. This means you can use it in proprietary products.
* See the LICENSE.md file distributed with this source code for details.
* @license BSD-3-Clause
* @license LGPL-2.1-or-later
*
* @copyright 2000-2013 John Lim
* @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community
*/
// 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)
//----------------------------------------------------------------
ini_set('mssql.datetimeconvert',0);
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 $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 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, $ifNull) "; // if MS SQL Server
}
protected function _insertID($table = '', $column = '')
{
// SCOPE_IDENTITY()
// Returns the last IDENTITY value inserted into an IDENTITY column in
// the same scope. A scope is a module -- a stored procedure, trigger,
// function, or batch. Thus, two statements are in the same scope if
// they are in the same stored procedure, function, or batch.
if ($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");
*
* @param string $s The string to quote
* @param bool $magic_quotes This param is not used since 5.21.0.
* It remains for backwards compatibility.
*
* @return string Quoted string to be sent back to database
*
* @noinspection PhpUnusedParameterInspection
*/
function qStr($s, $magic_quotes=false)
{
return "'" . str_replace("'", $this->replaceQuote, $s) . "'";
}
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;
case 'l':
$s .= "datename(dw,$col)";
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 $indexes;
}
public function metaForeignKeys($table, $owner = '', $upper = false, $associative = 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);
if (is_array($arr2[$a])) { // a previous foreign key was define for this reference table, we merge the new one
$arr2[$a] = array_merge($arr2[$a], $b);
} else {
$arr2[$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 = $dbName;
if ($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;
if (!empty($this->port)) $argHostname .= ":".$this->port;
$this->_connectionID = mssql_connect($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, $argDatabasename)
{
if (!function_exists('mssql_pconnect')) return null;
if (!empty($this->port)) $argHostname .= ":".$this->port;
$this->_connectionID = mssql_pconnect($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)
{
$stmt = mssql_init($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)
{
$isNull = is_null($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 PHPLens Issue No: 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 = $db->this($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) {
$this->RollbackTrans();
}
if($this->_connectionID) {
$rez = mssql_close($this->_connectionID);
}
$this->_connectionID = false;
return $rez;
}
/**
* Returns a substring of a varchar type field
*
* The SQL server version varies because the length is mandatory, so
* we append a reasonable string length
*
* @param string $fld The field to sub-string
* @param int $start The start point
* @param int $length An optional length
*
* @return The SQL text
*/
function substr($fld,$start,$length=0)
{
if ($length == 0)
/*
* The length available to varchar is 2GB, but that makes no
* sense in a substring, so I'm going to arbitrarily limit
* the length to 1K, but you could change it if you want
*/
$length = 1024;
$text = "SUBSTRING($fld,$start,$length)";
return $text;
}
}
/*--------------------------------------------------------------------------------------
Class Name: Recordset
--------------------------------------------------------------------------------------*/
class ADORecordset_mssql extends ADORecordSet {
var $databaseType = "mssql";
var $canSeek = true;
var $hasFetchAssoc; // see PHPLens Issue No: 6083
// _mths works only in non-localised system
function __construct($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);
}
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 {