diff options
Diffstat (limited to 'framework/DataAccess/adodb/drivers/adodb-mssql.inc.php')
| -rw-r--r-- | framework/DataAccess/adodb/drivers/adodb-mssql.inc.php | 1024 |
1 files changed, 1024 insertions, 0 deletions
diff --git a/framework/DataAccess/adodb/drivers/adodb-mssql.inc.php b/framework/DataAccess/adodb/drivers/adodb-mssql.inc.php new file mode 100644 index 00000000..ef4b2649 --- /dev/null +++ b/framework/DataAccess/adodb/drivers/adodb-mssql.inc.php @@ -0,0 +1,1024 @@ +<?php +/* +V4.72 21 Feb 2006 (c) 2000-2006 John Lim (jlim@natsoft.com.my). All rights reserved. + 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.sourceforge.net + + 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 H: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, + (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 @@IDENTITY'; // 'select SCOPE_IDENTITY'; # for mssql 2000 + var $uniqueOrderBy = true; + var $_bindInputArray = true; + + function ADODB_mssql() + { + $this->_has_mssql_init = (strnatcmp(PHP_VERSION,'4.1.0')>=0); + } + + function ServerInfo() + { + global $ADODB_FETCH_MODE; + + $stmt = $this->PrepareSP('sp_server_info'); + $val = 2; + if ($this->fetchMode === false) { + $savem = $ADODB_FETCH_MODE; + $ADODB_FETCH_MODE = ADODB_FETCH_NUM; + } else + $savem = $this->SetFetchMode(ADODB_FETCH_NUM); + + + $this->Parameter($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. + return $this->GetOne($this->identitySQL); + } + + 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) + { + if ($nrows > 0 && $offset <= 0) { + $sql = preg_replace( + '/(^\s*select\s+(distinctrow|distinct)?)/i','\\1 '.$this->hasTop." $nrows ",$sql); + $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; + $this->Execute('BEGIN TRAN'); + return true; + } + + function CommitTrans($ok=true) + { + if ($this->transOff) return true; + if (!$ok) return $this->RollbackTrans(); + if ($this->transCnt) $this->transCnt -= 1; + $this->Execute('COMMIT TRAN'); + return true; + } + function RollbackTrans() + { + if ($this->transOff) return true; + if ($this->transCnt) $this->transCnt -= 1; + $this->Execute('ROLLBACK TRAN'); + return true; + } + + /* + 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,$where,$flds='top 1 null as ignore') + { + if (!$this->transCnt) $this->BeginTrans(); + return $this->GetOne("select $flds from $tables with (ROWLOCK,HOLDLOCK) where $where"); + } + + + function &MetaIndexes($table,$primary=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)){ + $tmpAr=$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) + { + 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 $arr[0]; + else return -1; + } + + // returns true or false + function _connect($argHostname, $argUsername, $argPassword, $argDatabasename) + { + if (!function_exists('mssql_pconnect')) return null; + $this->_connectionID = mssql_connect($argHostname,$argUsername,$argPassword); + 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 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); + } + + function PrepareSP($sql) + { + if (!$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, create_function('&$v', '$v = "CAST(" . $v . " 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 = SQLCHAR; 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) + { + $this->_errorMsg = false; + if (is_array($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 + 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)"; + } + + $params .= "@P$i=N". (strncmp($v,"'",1)==0? $v : $this->qstr($v)); + } 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"); + + } else if (is_array($sql)) { + # PrepareSP() + $rez = mssql_execute($sql[1]); + + } else { + $rez = mssql_query($sql,$this->_connectionID); + } + return $rez; + } + + // returns true or false + function _close() + { + if ($this->transCnt) $this->RollbackTrans(); + $rez = @mssql_close($this->_connectionID); + $this->_connectionID = false; + return $rez; + } + + // mssql uses a default date like Dec 30 2000 12:00AM + function UnixDate($v) + { + return ADORecordSet_array_mssql::UnixDate($v); + } + + function UnixTimeStamp($v) + { + return ADORecordSet_array_mssql::UnixTimeStamp($v); + } +} + +/*-------------------------------------------------------------------------------------- + Class Name: Recordset +--------------------------------------------------------------------------------------*/ + +class ADORecordset_mssql extends ADORecordSet { + + var $databaseType = "mssql"; + var $canSeek = true; + var $hasFetchAssoc; // see http://phplens.com/lens/lensforum/msgs.php?id=6083 + // _mths works only in non-localised system + + function ADORecordset_mssql($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 $this->ADORecordSet($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) { + $this->fields[strtolower($k)] = $v; + } + } else if (ADODB_ASSOC_CASE == 1) { + foreach($this->fields as $k=>$v) { + $this->fields[strtoupper($k)] = $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) { + $this->fields[strtolower($k)] = $v; + } + } else if (ADODB_ASSOC_CASE == 1) { + foreach($this->fields as $k=>$v) { + $this->fields[strtoupper($k)] = $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() + { + $rez = mssql_free_result($this->_queryID); + $this->_queryID = false; + return $rez; + } + // mssql uses a default date like Dec 30 2000 12:00AM + function UnixDate($v) + { + return ADORecordSet_array_mssql::UnixDate($v); + } + + function UnixTimeStamp($v) + { + return ADORecordSet_array_mssql::UnixTimeStamp($v); + } + +} + + +class ADORecordSet_array_mssql extends ADORecordSet_array { + function ADORecordSet_array_mssql($id=-1,$mode=false) + { + $this->ADORecordSet_array($id,$mode); + } + + // mssql uses a default date like Dec 30 2000 12:00AM + function UnixDate($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]); + } + + 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 +*/ + +?>
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