1116 lines
32 KiB
PHP
1116 lines
32 KiB
PHP
<?php
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/*
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V5.11 5 May 2010 (c) 2000-2010 John Lim (jlim#natsoft.com). All rights reserved.
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Released under both BSD license and Lesser GPL library license.
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Whenever there is any discrepancy between the two licenses,
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the BSD license will take precedence.
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Set tabs to 4 for best viewing.
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Latest version is available at http://adodb.sourceforge.net
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Native mssql driver. Requires mssql client. Works on Windows.
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To configure for Unix, see
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http://phpbuilder.com/columns/alberto20000919.php3
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*/
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// security - hide paths
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if (!defined('ADODB_DIR')) die();
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//----------------------------------------------------------------
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// MSSQL returns dates with the format Oct 13 2002 or 13 Oct 2002
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// and this causes tons of problems because localized versions of
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// MSSQL will return the dates in dmy or mdy order; and also the
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// month strings depends on what language has been configured. The
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// following two variables allow you to control the localization
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// settings - Ugh.
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//
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// MORE LOCALIZATION INFO
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// ----------------------
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// To configure datetime, look for and modify sqlcommn.loc,
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// typically found in c:\mssql\install
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// Also read :
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// http://support.microsoft.com/default.aspx?scid=kb;EN-US;q220918
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// Alternatively use:
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// CONVERT(char(12),datecol,120)
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//----------------------------------------------------------------
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// has datetime converstion to YYYY-MM-DD format, and also mssql_fetch_assoc
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if (ADODB_PHPVER >= 0x4300) {
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// docs say 4.2.0, but testing shows only since 4.3.0 does it work!
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ini_set('mssql.datetimeconvert',0);
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} else {
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global $ADODB_mssql_mths; // array, months must be upper-case
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$ADODB_mssql_date_order = 'mdy';
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$ADODB_mssql_mths = array(
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'JAN'=>1,'FEB'=>2,'MAR'=>3,'APR'=>4,'MAY'=>5,'JUN'=>6,
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'JUL'=>7,'AUG'=>8,'SEP'=>9,'OCT'=>10,'NOV'=>11,'DEC'=>12);
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}
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//---------------------------------------------------------------------------
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// Call this to autoset $ADODB_mssql_date_order at the beginning of your code,
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// just after you connect to the database. Supports mdy and dmy only.
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// Not required for PHP 4.2.0 and above.
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function AutoDetect_MSSQL_Date_Order($conn)
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{
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global $ADODB_mssql_date_order;
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$adate = $conn->GetOne('select getdate()');
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if ($adate) {
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$anum = (int) $adate;
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if ($anum > 0) {
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if ($anum > 31) {
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//ADOConnection::outp( "MSSQL: YYYY-MM-DD date format not supported currently");
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} else
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$ADODB_mssql_date_order = 'dmy';
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} else
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$ADODB_mssql_date_order = 'mdy';
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}
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}
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class ADODB_mssql extends ADOConnection {
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var $databaseType = "mssql";
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var $dataProvider = "mssql";
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var $replaceQuote = "''"; // string to use to replace quotes
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var $fmtDate = "'Y-m-d'";
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var $fmtTimeStamp = "'Y-m-d H:i:s'";
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var $hasInsertID = true;
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var $substr = "substring";
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var $length = 'len';
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var $hasAffectedRows = true;
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var $metaDatabasesSQL = "select name from sysdatabases where name <> 'master'";
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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'))";
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var $metaColumnsSQL = # xtype==61 is datetime
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"select c.name,t.name,c.length,
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(case when c.xusertype=61 then 0 else c.xprec end),
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(case when c.xusertype=61 then 0 else c.xscale end)
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from syscolumns c join systypes t on t.xusertype=c.xusertype join sysobjects o on o.id=c.id where o.name='%s'";
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var $hasTop = 'top'; // support mssql SELECT TOP 10 * FROM TABLE
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var $hasGenID = true;
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var $sysDate = 'convert(datetime,convert(char,GetDate(),102),102)';
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var $sysTimeStamp = 'GetDate()';
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var $_has_mssql_init;
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var $maxParameterLen = 4000;
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var $arrayClass = 'ADORecordSet_array_mssql';
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var $uniqueSort = true;
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var $leftOuter = '*=';
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var $rightOuter = '=*';
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var $ansiOuter = true; // for mssql7 or later
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var $poorAffectedRows = true;
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var $identitySQL = 'select SCOPE_IDENTITY()'; // 'select SCOPE_IDENTITY'; # for mssql 2000
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var $uniqueOrderBy = true;
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var $_bindInputArray = true;
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var $forceNewConnect = false;
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function ADODB_mssql()
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{
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$this->_has_mssql_init = (strnatcmp(PHP_VERSION,'4.1.0')>=0);
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}
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function ServerInfo()
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{
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global $ADODB_FETCH_MODE;
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if ($this->fetchMode === false) {
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$savem = $ADODB_FETCH_MODE;
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$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
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} else
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$savem = $this->SetFetchMode(ADODB_FETCH_NUM);
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if (0) {
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$stmt = $this->PrepareSP('sp_server_info');
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$val = 2;
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$this->Parameter($stmt,$val,'attribute_id');
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$row = $this->GetRow($stmt);
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}
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$row = $this->GetRow("execute sp_server_info 2");
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if ($this->fetchMode === false) {
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$ADODB_FETCH_MODE = $savem;
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} else
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$this->SetFetchMode($savem);
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$arr['description'] = $row[2];
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$arr['version'] = ADOConnection::_findvers($arr['description']);
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return $arr;
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}
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function IfNull( $field, $ifNull )
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{
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return " ISNULL($field, $ifNull) "; // if MS SQL Server
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}
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function _insertid()
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{
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// SCOPE_IDENTITY()
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// Returns the last IDENTITY value inserted into an IDENTITY column in
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// the same scope. A scope is a module -- a stored procedure, trigger,
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// function, or batch. Thus, two statements are in the same scope if
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// they are in the same stored procedure, function, or batch.
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if ($this->lastInsID !== false) {
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return $this->lastInsID; // InsID from sp_executesql call
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} else {
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return $this->GetOne($this->identitySQL);
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}
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}
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/**
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* Correctly quotes a string so that all strings are escaped. We prefix and append
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* to the string single-quotes.
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* An example is $db->qstr("Don't bother",magic_quotes_runtime());
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*
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* @param s the string to quote
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* @param [magic_quotes] if $s is GET/POST var, set to get_magic_quotes_gpc().
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* This undoes the stupidity of magic quotes for GPC.
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*
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* @return quoted string to be sent back to database
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*/
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function qstr($s,$magic_quotes=false)
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{
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if (!$magic_quotes) {
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return "'".str_replace("'",$this->replaceQuote,$s)."'";
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}
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// undo magic quotes for " unless sybase is on
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$sybase = ini_get('magic_quotes_sybase');
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if (!$sybase) {
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$s = str_replace('\\"','"',$s);
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if ($this->replaceQuote == "\\'") // ' already quoted, no need to change anything
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return "'$s'";
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else {// change \' to '' for sybase/mssql
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$s = str_replace('\\\\','\\',$s);
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return "'".str_replace("\\'",$this->replaceQuote,$s)."'";
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}
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} else {
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return "'".$s."'";
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}
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}
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// moodle change end - see readme_moodle.txt
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function _affectedrows()
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{
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return $this->GetOne('select @@rowcount');
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}
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var $_dropSeqSQL = "drop table %s";
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function CreateSequence($seq='adodbseq',$start=1)
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{
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$this->Execute('BEGIN TRANSACTION adodbseq');
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$start -= 1;
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$this->Execute("create table $seq (id float(53))");
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$ok = $this->Execute("insert into $seq with (tablock,holdlock) values($start)");
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if (!$ok) {
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$this->Execute('ROLLBACK TRANSACTION adodbseq');
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return false;
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}
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$this->Execute('COMMIT TRANSACTION adodbseq');
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return true;
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}
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function GenID($seq='adodbseq',$start=1)
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{
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//$this->debug=1;
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$this->Execute('BEGIN TRANSACTION adodbseq');
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$ok = $this->Execute("update $seq with (tablock,holdlock) set id = id + 1");
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if (!$ok) {
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$this->Execute("create table $seq (id float(53))");
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$ok = $this->Execute("insert into $seq with (tablock,holdlock) values($start)");
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if (!$ok) {
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$this->Execute('ROLLBACK TRANSACTION adodbseq');
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return false;
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}
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$this->Execute('COMMIT TRANSACTION adodbseq');
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return $start;
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}
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$num = $this->GetOne("select id from $seq");
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$this->Execute('COMMIT TRANSACTION adodbseq');
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return $num;
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// in old implementation, pre 1.90, we returned GUID...
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//return $this->GetOne("SELECT CONVERT(varchar(255), NEWID()) AS 'Char'");
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}
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function SelectLimit($sql,$nrows=-1,$offset=-1, $inputarr=false,$secs2cache=0)
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{
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if ($nrows > 0 && $offset <= 0) {
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$sql = preg_replace(
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'/(^\s*select\s+(distinctrow|distinct)?)/i','\\1 '.$this->hasTop." $nrows ",$sql);
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if ($secs2cache)
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$rs = $this->CacheExecute($secs2cache, $sql, $inputarr);
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else
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$rs = $this->Execute($sql,$inputarr);
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} else
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$rs = ADOConnection::SelectLimit($sql,$nrows,$offset,$inputarr,$secs2cache);
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return $rs;
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}
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// Format date column in sql string given an input format that understands Y M D
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function SQLDate($fmt, $col=false)
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{
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if (!$col) $col = $this->sysTimeStamp;
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$s = '';
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$len = strlen($fmt);
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for ($i=0; $i < $len; $i++) {
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if ($s) $s .= '+';
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$ch = $fmt[$i];
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switch($ch) {
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case 'Y':
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case 'y':
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$s .= "datename(yyyy,$col)";
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break;
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case 'M':
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$s .= "convert(char(3),$col,0)";
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break;
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case 'm':
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$s .= "replace(str(month($col),2),' ','0')";
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break;
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case 'Q':
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case 'q':
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$s .= "datename(quarter,$col)";
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break;
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case 'D':
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case 'd':
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$s .= "replace(str(day($col),2),' ','0')";
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break;
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case 'h':
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$s .= "substring(convert(char(14),$col,0),13,2)";
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break;
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case 'H':
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$s .= "replace(str(datepart(hh,$col),2),' ','0')";
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break;
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case 'i':
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$s .= "replace(str(datepart(mi,$col),2),' ','0')";
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break;
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case 's':
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$s .= "replace(str(datepart(ss,$col),2),' ','0')";
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break;
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case 'a':
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case 'A':
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$s .= "substring(convert(char(19),$col,0),18,2)";
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break;
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default:
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if ($ch == '\\') {
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$i++;
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$ch = substr($fmt,$i,1);
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}
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$s .= $this->qstr($ch);
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break;
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}
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}
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return $s;
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}
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function BeginTrans()
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{
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if ($this->transOff) return true;
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$this->transCnt += 1;
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$ok = $this->Execute('BEGIN TRAN');
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return $ok;
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}
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function CommitTrans($ok=true)
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{
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if ($this->transOff) return true;
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if (!$ok) return $this->RollbackTrans();
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if ($this->transCnt) $this->transCnt -= 1;
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$ok = $this->Execute('COMMIT TRAN');
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return $ok;
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}
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function RollbackTrans()
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{
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if ($this->transOff) return true;
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if ($this->transCnt) $this->transCnt -= 1;
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$ok = $this->Execute('ROLLBACK TRAN');
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return $ok;
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}
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function SetTransactionMode( $transaction_mode )
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{
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$this->_transmode = $transaction_mode;
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if (empty($transaction_mode)) {
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$this->Execute('SET TRANSACTION ISOLATION LEVEL READ COMMITTED');
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return;
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}
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if (!stristr($transaction_mode,'isolation')) $transaction_mode = 'ISOLATION LEVEL '.$transaction_mode;
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$this->Execute("SET TRANSACTION ".$transaction_mode);
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}
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/*
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Usage:
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$this->BeginTrans();
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$this->RowLock('table1,table2','table1.id=33 and table2.id=table1.id'); # lock row 33 for both tables
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# some operation on both tables table1 and table2
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$this->CommitTrans();
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See http://www.swynk.com/friends/achigrik/SQL70Locks.asp
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*/
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function RowLock($tables,$where,$col='1 as adodbignore')
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{
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if ($col == '1 as adodbignore') $col = 'top 1 null as ignore';
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if (!$this->transCnt) $this->BeginTrans();
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return $this->GetOne("select $col from $tables with (ROWLOCK,HOLDLOCK) where $where");
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}
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function MetaIndexes($table,$primary=false, $owner=false)
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{
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$table = $this->qstr($table);
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$sql = "SELECT i.name AS ind_name, C.name AS col_name, USER_NAME(O.uid) AS Owner, c.colid, k.Keyno,
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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,
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CASE WHEN I.status & 2 = 2 THEN 1 ELSE 0 END AS IsUnique
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FROM dbo.sysobjects o INNER JOIN dbo.sysindexes I ON o.id = i.id
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INNER JOIN dbo.sysindexkeys K ON I.id = K.id AND I.Indid = K.Indid
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INNER JOIN dbo.syscolumns c ON K.id = C.id AND K.colid = C.Colid
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WHERE LEFT(i.name, 8) <> '_WA_Sys_' AND o.status >= 0 AND O.Name LIKE $table
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ORDER BY O.name, I.Name, K.keyno";
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global $ADODB_FETCH_MODE;
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$save = $ADODB_FETCH_MODE;
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$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
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if ($this->fetchMode !== FALSE) {
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$savem = $this->SetFetchMode(FALSE);
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}
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$rs = $this->Execute($sql);
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if (isset($savem)) {
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$this->SetFetchMode($savem);
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}
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$ADODB_FETCH_MODE = $save;
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if (!is_object($rs)) {
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return FALSE;
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}
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$indexes = array();
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while ($row = $rs->FetchRow()) {
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if ($primary && !$row[5]) continue;
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$indexes[$row[0]]['unique'] = $row[6];
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$indexes[$row[0]]['columns'][] = $row[1];
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}
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return $indexes;
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}
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function MetaForeignKeys($table, $owner=false, $upper=false)
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{
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global $ADODB_FETCH_MODE;
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$save = $ADODB_FETCH_MODE;
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$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
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$table = $this->qstr(strtoupper($table));
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$sql =
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"select object_name(constid) as constraint_name,
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col_name(fkeyid, fkey) as column_name,
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object_name(rkeyid) as referenced_table_name,
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col_name(rkeyid, rkey) as referenced_column_name
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from sysforeignkeys
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where upper(object_name(fkeyid)) = $table
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order by constraint_name, referenced_table_name, keyno";
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$constraints = $this->GetArray($sql);
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$ADODB_FETCH_MODE = $save;
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$arr = false;
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foreach($constraints as $constr) {
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//print_r($constr);
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$arr[$constr[0]][$constr[2]][] = $constr[1].'='.$constr[3];
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}
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if (!$arr) return false;
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$arr2 = false;
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foreach($arr as $k => $v) {
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foreach($v as $a => $b) {
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if ($upper) $a = strtoupper($a);
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$arr2[$a] = $b;
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}
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}
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return $arr2;
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}
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//From: Fernando Moreira <FMoreira@imediata.pt>
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function MetaDatabases()
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{
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if(@mssql_select_db("master")) {
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$qry=$this->metaDatabasesSQL;
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if($rs=@mssql_query($qry,$this->_connectionID)){
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$tmpAr=$ar=array();
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while($tmpAr=@mssql_fetch_row($rs))
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$ar[]=$tmpAr[0];
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@mssql_select_db($this->database);
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if(sizeof($ar))
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return($ar);
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else
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return(false);
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} else {
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@mssql_select_db($this->database);
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return(false);
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}
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}
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return(false);
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}
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// "Stein-Aksel Basma" <basma@accelero.no>
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|
// tested with MSSQL 2000
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function MetaPrimaryKeys($table, $owner=false)
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{
|
|
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, 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 = 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)";
|
|
}
|
|
|
|
$params .= "@P$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", $this->_connectionID);
|
|
if ($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 $hasFetchAssoc; // see http://phplens.com/lens/lensforum/msgs.php?id=6083
|
|
// _mths works only in non-localised system
|
|
|
|
function ADORecordset_mssql($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) {
|
|
$kn = strtolower($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()
|
|
{
|
|
$rez = mssql_free_result($this->_queryID);
|
|
$this->_queryID = 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($v);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
class ADORecordSet_array_mssql extends ADORecordSet_array {
|
|
function ADORecordSet_array_mssql($id=-1,$mode=false)
|
|
{
|
|
$this->ADORecordSet_array($id,$mode);
|
|
}
|
|
|
|
// mssql uses a default date like Dec 30 2000 12:00AM
|
|
static function UnixDate($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
|
|
*/
|
|
|
|
?>
|