/lib/adodb/drivers/adodb-mssqlnative.inc.php
PHP | 1277 lines | 997 code | 96 blank | 184 comment | 65 complexity | 31838aa8b9ea99696d5333bce72ec022 MD5 | raw file
Possible License(s): Apache-2.0, LGPL-2.1, BSD-3-Clause, MIT, GPL-3.0
- <?php
- /*
- @version v5.21.0 2021-02-27
- @copyright (c) 2000-2013 John Lim (jlim#natsoft.com). All rights reserved.
- @copyright (c) 2014 Damien Regad, Mark Newnham and the ADOdb community
- Released under both BSD license and Lesser GPL library license.
- Whenever there is any discrepancy between the two licenses,
- the BSD license will take precedence.
- Set tabs to 4 for best viewing.
- Latest version is available at https://adodb.org/
- Native mssql driver. Requires mssql client. Works on Windows.
- http://www.microsoft.com/sql/technologies/php/default.mspx
- To configure for Unix, see
- http://phpbuilder.com/columns/alberto20000919.php3
- $stream = sqlsrv_get_field($stmt, $index, SQLSRV_SQLTYPE_STREAM(SQLSRV_ENC_BINARY));
- stream_filter_append($stream, "convert.iconv.ucs-2/utf-8"); // Voila, UTF-8 can be read directly from $stream
- */
- // security - hide paths
- if (!defined('ADODB_DIR')) die();
- if (!function_exists('sqlsrv_configure')) {
- die("mssqlnative extension not installed");
- }
- if (!function_exists('sqlsrv_set_error_handling')) {
- function sqlsrv_set_error_handling($constant) {
- sqlsrv_configure("WarningsReturnAsErrors", $constant);
- }
- }
- if (!function_exists('sqlsrv_log_set_severity')) {
- function sqlsrv_log_set_severity($constant) {
- sqlsrv_configure("LogSeverity", $constant);
- }
- }
- if (!function_exists('sqlsrv_log_set_subsystems')) {
- function sqlsrv_log_set_subsystems($constant) {
- sqlsrv_configure("LogSubsystems", $constant);
- }
- }
- class ADODB_mssqlnative extends ADOConnection {
- var $databaseType = "mssqlnative";
- var $dataProvider = "mssqlnative";
- 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 $poorAffectedRows = false;
- var $metaDatabasesSQL = "select name from sys.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 =
- "select c.name,
- t.name as type,
- c.length,
- c.xprec as precision,
- c.xscale as scale,
- c.isnullable as nullable,
- c.cdefault as default_value,
- c.xtype,
- t.length as type_length,
- sc.is_identity
- from syscolumns c
- join systypes t on t.xusertype=c.xusertype
- join sysobjects o on o.id=c.id
- join sys.tables st on st.name=o.name
- join sys.columns sc on sc.object_id = st.object_id and sc.name=c.name
- 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_mssqlnative';
- var $uniqueSort = true;
- var $leftOuter = '*=';
- var $rightOuter = '=*';
- var $ansiOuter = true; // for mssql7 or later
- var $identitySQL = 'select SCOPE_IDENTITY()'; // 'select SCOPE_IDENTITY'; # for mssql 2000
- var $uniqueOrderBy = true;
- var $_bindInputArray = true;
- var $_dropSeqSQL = "drop table %s";
- var $connectionInfo = array('ReturnDatesAsStrings'=>true);
- var $cachedSchemaFlush = false;
- var $sequences = false;
- var $mssql_version = '';
- function __construct()
- {
- if ($this->debug) {
- ADOConnection::outp("<pre>");
- sqlsrv_set_error_handling( SQLSRV_ERRORS_LOG_ALL );
- sqlsrv_log_set_severity( SQLSRV_LOG_SEVERITY_ALL );
- sqlsrv_log_set_subsystems(SQLSRV_LOG_SYSTEM_ALL);
- sqlsrv_configure('WarningsReturnAsErrors', 0);
- } else {
- sqlsrv_set_error_handling(0);
- sqlsrv_log_set_severity(0);
- sqlsrv_log_set_subsystems(SQLSRV_LOG_SYSTEM_ALL);
- sqlsrv_configure('WarningsReturnAsErrors', 0);
- }
- }
- /**
- * Initializes the SQL Server version.
- * Dies if connected to a non-supported version (2000 and older)
- */
- function ServerVersion() {
- $data = $this->ServerInfo();
- preg_match('/^\d{2}/', $data['version'], $matches);
- $version = (int)reset($matches);
- // We only support SQL Server 2005 and up
- if($version < 9) {
- die("SQL SERVER VERSION {$data['version']} NOT SUPPORTED IN mssqlnative DRIVER");
- }
- $this->mssql_version = $version;
- }
- function ServerInfo() {
- global $ADODB_FETCH_MODE;
- static $arr = false;
- if (is_array($arr))
- return $arr;
- if ($this->fetchMode === false) {
- $savem = $ADODB_FETCH_MODE;
- $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
- } elseif ($this->fetchMode >=0 && $this->fetchMode <=2) {
- $savem = $this->fetchMode;
- } else
- $savem = $this->SetFetchMode(ADODB_FETCH_NUM);
- $arrServerInfo = sqlsrv_server_info($this->_connectionID);
- $ADODB_FETCH_MODE = $savem;
- $arr['description'] = $arrServerInfo['SQLServerName'].' connected to '.$arrServerInfo['CurrentDatabase'];
- $arr['version'] = $arrServerInfo['SQLServerVersion'];//ADOConnection::_findvers($arr['description']);
- return $arr;
- }
- function IfNull( $field, $ifNull )
- {
- return " ISNULL($field, $ifNull) "; // if MS SQL Server
- }
- function _insertid()
- {
- $rez = sqlsrv_query($this->_connectionID,$this->identitySQL);
- sqlsrv_fetch($rez);
- $this->lastInsertID = sqlsrv_get_field($rez, 0);
- return $this->lastInsertID;
- }
- function _affectedrows()
- {
- if ($this->_queryID)
- return sqlsrv_rows_affected($this->_queryID);
- }
- function GenID($seq='adodbseq',$start=1) {
- switch($this->mssql_version){
- case 9:
- case 10:
- return $this->GenID2008($seq, $start);
- break;
- default:
- return $this->GenID2012($seq, $start);
- break;
- }
- }
- function CreateSequence($seq='adodbseq',$start=1)
- {
- switch($this->mssql_version){
- case 9:
- case 10:
- return $this->CreateSequence2008($seq, $start);
- break;
- default:
- return $this->CreateSequence2012($seq, $start);
- break;
- }
- }
- /**
- * For Server 2005,2008, duplicate a sequence with an identity table
- */
- function CreateSequence2008($seq='adodbseq',$start=1)
- {
- if($this->debug) ADOConnection::outp("<hr>CreateSequence($seq,$start)");
- sqlsrv_begin_transaction($this->_connectionID);
- $start -= 1;
- $this->Execute("create table $seq (id int)");//was float(53)
- $ok = $this->Execute("insert into $seq with (tablock,holdlock) values($start)");
- if (!$ok) {
- if($this->debug) ADOConnection::outp("<hr>Error: ROLLBACK");
- sqlsrv_rollback($this->_connectionID);
- return false;
- }
- sqlsrv_commit($this->_connectionID);
- return true;
- }
- /**
- * Proper Sequences Only available to Server 2012 and up
- */
- function CreateSequence2012($seq='adodbseq',$start=1){
- if (!$this->sequences){
- $sql = "SELECT name FROM sys.sequences";
- $this->sequences = $this->GetCol($sql);
- }
- $ok = $this->Execute("CREATE SEQUENCE $seq START WITH $start INCREMENT BY 1");
- if (!$ok)
- die("CANNOT CREATE SEQUENCE" . print_r(sqlsrv_errors(),true));
- $this->sequences[] = $seq;
- }
- /**
- * For Server 2005,2008, duplicate a sequence with an identity table
- */
- function GenID2008($seq='adodbseq',$start=1)
- {
- if($this->debug) ADOConnection::outp("<hr>CreateSequence($seq,$start)");
- sqlsrv_begin_transaction($this->_connectionID);
- $ok = $this->Execute("update $seq with (tablock,holdlock) set id = id + 1");
- if (!$ok) {
- $start -= 1;
- $this->Execute("create table $seq (id int)");//was float(53)
- $ok = $this->Execute("insert into $seq with (tablock,holdlock) values($start)");
- if (!$ok) {
- if($this->debug) ADOConnection::outp("<hr>Error: ROLLBACK");
- sqlsrv_rollback($this->_connectionID);
- return false;
- }
- }
- $num = $this->GetOne("select id from $seq");
- sqlsrv_commit($this->_connectionID);
- return $num;
- }
- /**
- * Only available to Server 2012 and up
- * Cannot do this the normal adodb way by trapping an error if the
- * sequence does not exist because sql server will auto create a
- * sequence with the starting number of -9223372036854775808
- */
- function GenID2012($seq='adodbseq',$start=1)
- {
- /*
- * First time in create an array of sequence names that we
- * can use in later requests to see if the sequence exists
- * the overhead is creating a list of sequences every time
- * we need access to at least 1. If we really care about
- * performance, we could maybe flag a 'nocheck' class variable
- */
- if (!$this->sequences){
- $sql = "SELECT name FROM sys.sequences";
- $this->sequences = $this->GetCol($sql);
- }
- if (!is_array($this->sequences)
- || is_array($this->sequences) && !in_array($seq,$this->sequences)){
- $this->CreateSequence2012($seq, $start);
- }
- $num = $this->GetOne("SELECT NEXT VALUE FOR $seq");
- return $num;
- }
- // Format date column in sql string given an input format that understands Y M D
- function SQLDate($fmt, $col=false)
- {
- if (!$col) $col = $this->sysTimeStamp;
- $s = '';
- $ConvertableFmt=array(
- "m/d/Y"=>101,"m/d/y"=>101 // US
- ,"Y.m.d"=>102,"y/m/d"=>102 // ANSI
- ,"d/m/Y"=>103,"d/m/y"=>103 // French /english
- ,"d.m.Y"=>104,"d.m.y"=>104 // German
- ,"d-m-Y"=>105,"d-m-y"=>105 // Italian
- ,"m-d-Y"=>110,"m-d-y"=>110 // US Dash
- ,"Y/m/d"=>111,"y/m/d"=>111 // Japan
- ,"Ymd"=>112,"ymd"=>112 // ISO
- ,"H:i:s"=>108 // Time
- );
- if(key_exists($fmt,$ConvertableFmt))
- return "convert (varchar ,$col,".$ConvertableFmt[$fmt].")";
- $len = strlen($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;
- $this->transCnt += 1;
- if ($this->debug) ADOConnection::outp('<hr>begin transaction');
- sqlsrv_begin_transaction($this->_connectionID);
- return true;
- }
- function CommitTrans($ok=true)
- {
- if ($this->transOff) return true;
- if ($this->debug) ADOConnection::outp('<hr>commit transaction');
- if (!$ok) return $this->RollbackTrans();
- if ($this->transCnt) $this->transCnt -= 1;
- sqlsrv_commit($this->_connectionID);
- return true;
- }
- function RollbackTrans()
- {
- if ($this->transOff) return true;
- if ($this->debug) ADOConnection::outp('<hr>rollback transaction');
- if ($this->transCnt) $this->transCnt -= 1;
- sqlsrv_rollback($this->_connectionID);
- return true;
- }
- 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 $where");
- }
- function SelectDB($dbName)
- {
- $this->database = $dbName;
- $this->databaseName = $dbName; # obsolete, retained for compat with older adodb versions
- if ($this->_connectionID) {
- $rs = $this->Execute('USE '.$dbName);
- if($rs) {
- return true;
- } else return false;
- }
- else return false;
- }
- function ErrorMsg()
- {
- $retErrors = sqlsrv_errors(SQLSRV_ERR_ALL);
- if($retErrors != null) {
- foreach($retErrors as $arrError) {
- $this->_errorMsg .= "SQLState: ".$arrError[ 'SQLSTATE']."\n";
- $this->_errorMsg .= "Error Code: ".$arrError[ 'code']."\n";
- $this->_errorMsg .= "Message: ".$arrError[ 'message']."\n";
- }
- }
- return $this->_errorMsg;
- }
- function ErrorNo()
- {
- $err = sqlsrv_errors(SQLSRV_ERR_ALL);
- if ($err && $err[0])
- return $err[0]['code'];
- else
- return 0;
- }
- // returns true or false
- function _connect($argHostname, $argUsername, $argPassword, $argDatabasename)
- {
- if (!function_exists('sqlsrv_connect'))
- {
- if ($this->debug)
- ADOConnection::outp('Microsoft SQL Server native driver (mssqlnative) not installed');
- return null;
- }
-
- if (!empty($this->port))
- /*
- * Port uses a comma
- */
- $argHostname .= ",".$this->port;
-
- $connectionInfo = $this->connectionInfo;
- $connectionInfo["Database"] = $argDatabasename;
- if ((string)$argUsername != '' || (string)$argPassword != '')
- {
- /*
- * If they pass either a userid or password, we assume
- * SQL Server authentication
- */
- $connectionInfo["UID"] = $argUsername;
- $connectionInfo["PWD"] = $argPassword;
-
- if ($this->debug)
- ADOConnection::outp('userid or password supplied, attempting connection with SQL Server Authentication');
-
- }
- else
- {
- /*
- * If they don't pass either value, we won't add them to the
- * connection parameters. This will then force an attempt
- * to use windows authentication
- */
- if ($this->debug)
-
- ADOConnection::outp('No userid or password supplied, attempting connection with Windows Authentication');
- }
-
-
- /*
- * Now merge in the passed connection parameters setting
- */
- foreach ($this->connectionParameters as $options)
- {
- foreach($options as $parameter=>$value)
- $connectionInfo[$parameter] = $value;
- }
- if ($this->debug) ADOConnection::outp("connecting to host: $argHostname params: ".var_export($connectionInfo,true));
- if(!($this->_connectionID = @sqlsrv_connect($argHostname,$connectionInfo)))
- {
- if ($this->debug)
- ADOConnection::outp( 'Connection Failed: '.print_r( sqlsrv_errors(), true));
- return false;
- }
- $this->ServerVersion();
- return true;
- }
- // returns true or false
- function _pconnect($argHostname, $argUsername, $argPassword, $argDatabasename)
- {
- //return null;//not implemented. NOTE: Persistent connections have no effect if PHP is used as a CGI program. (FastCGI!)
- return $this->_connect($argHostname, $argUsername, $argPassword, $argDatabasename);
- }
- function Prepare($sql)
- {
- return $sql; // prepare does not work properly with bind parameters as bind parameters are managed by sqlsrv_prepare!
- }
- // 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 '';
- }
- /*
- 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)
- {
- $this->_errorMsg = false;
- if (is_array($sql))
- $sql = $sql[1];
- $insert = false;
- // handle native driver flaw for retrieving the last insert ID
- if(preg_match('/^\W*insert[\s\w()[\]",.]+values\s*\((?:[^;\']|\'\'|(?:(?:\'\')*\'[^\']+\'(?:\'\')*))*;?$/i', $sql)) {
- $insert = true;
- $sql .= '; '.$this->identitySQL; // select scope_identity()
- }
- if($inputarr)
- {
- /*
- * Ensure that the input array is numeric, as required by
- * sqlsrv_query. If param() was used to create portable binds
- * then the array might be associative
- */
- $inputarr = array_values($inputarr);
- $rez = sqlsrv_query($this->_connectionID, $sql, $inputarr);
- } else {
- $rez = sqlsrv_query($this->_connectionID,$sql);
- }
- if ($this->debug) ADOConnection::outp("<hr>running query: ".var_export($sql,true)."<hr>input array: ".var_export($inputarr,true)."<hr>result: ".var_export($rez,true));
- if(!$rez)
- $rez = false;
- return $rez;
- }
- // returns true or false
- function _close()
- {
- if ($this->transCnt) {
- $this->RollbackTrans();
- }
- if($this->_connectionID) {
- $rez = sqlsrv_close($this->_connectionID);
- }
- $this->_connectionID = false;
- return $rez;
- }
-
- function MetaIndexes($table,$primary=false, $owner = false)
- {
- $table = $this->qstr($table);
- $sql = "SELECT i.name AS ind_name, C.name AS col_name, USER_NAME(O.uid) AS Owner, c.colid, k.Keyno,
- CASE WHEN I.indid BETWEEN 1 AND 254 AND (I.status & 2048 = 2048 OR I.Status = 16402 AND O.XType = 'V') THEN 1 ELSE 0 END AS IsPK,
- CASE WHEN I.status & 2 = 2 THEN 1 ELSE 0 END AS IsUnique
- FROM dbo.sysobjects o INNER JOIN dbo.sysindexes I ON o.id = i.id
- INNER JOIN dbo.sysindexkeys K ON I.id = K.id AND I.Indid = K.Indid
- INNER JOIN dbo.syscolumns c ON K.id = C.id AND K.colid = C.Colid
- WHERE LEFT(i.name, 8) <> '_WA_Sys_' AND o.status >= 0 AND O.Name LIKE $table
- ORDER BY O.name, I.Name, K.keyno";
- global $ADODB_FETCH_MODE;
- $save = $ADODB_FETCH_MODE;
- $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
- if ($this->fetchMode !== FALSE) {
- $savem = $this->SetFetchMode(FALSE);
- }
- $rs = $this->Execute($sql);
- if (isset($savem)) {
- $this->SetFetchMode($savem);
- }
- $ADODB_FETCH_MODE = $save;
- if (!is_object($rs)) {
- return FALSE;
- }
- $indexes = array();
- while ($row = $rs->FetchRow()) {
- if (!$primary && $row[5]) continue;
- $indexes[$row[0]]['unique'] = $row[6];
- $indexes[$row[0]]['columns'][] = $row[1];
- }
- return $indexes;
- }
- function MetaForeignKeys($table, $owner=false, $upper=false)
- {
- global $ADODB_FETCH_MODE;
- $save = $ADODB_FETCH_MODE;
- $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
- $table = $this->qstr(strtoupper($table));
- $sql =
- "select object_name(constid) as constraint_name,
- col_name(fkeyid, fkey) as column_name,
- object_name(rkeyid) as referenced_table_name,
- col_name(rkeyid, rkey) as referenced_column_name
- from sysforeignkeys
- where upper(object_name(fkeyid)) = $table
- order by constraint_name, referenced_table_name, keyno";
- $constraints = $this->GetArray($sql);
- $ADODB_FETCH_MODE = $save;
- $arr = false;
- foreach($constraints as $constr) {
- //print_r($constr);
- $arr[$constr[0]][$constr[2]][] = $constr[1].'='.$constr[3];
- }
- if (!$arr) return false;
- $arr2 = false;
- foreach($arr as $k => $v) {
- foreach($v as $a => $b) {
- if ($upper) $a = strtoupper($a);
- 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()
- {
- $this->SelectDB("master");
- $rs =& $this->Execute($this->metaDatabasesSQL);
- $rows = $rs->GetRows();
- $ret = array();
- for($i=0;$i<count($rows);$i++) {
- $ret[] = $rows[$i][0];
- }
- $this->SelectDB($this->database);
- if($ret)
- return $ret;
- else
- return false;
- }
- // "Stein-Aksel Basma" <basma@accelero.no>
- // tested with MSSQL 2000
- function MetaPrimaryKeys($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 $ret;
- }
- function MetaColumns($table, $upper=true, $schema=false){
- /*
- * A simple caching mechanism, to be replaced in ADOdb V6
- */
- static $cached_columns = array();
- if ($this->cachedSchemaFlush)
- $cached_columns = array();
- if (array_key_exists($table,$cached_columns)){
- return $cached_columns[$table];
- }
- $this->_findschema($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){
- $fld = new ADOFieldObject();
- if (array_key_exists(0,$rs->fields)) {
- $fld->name = $rs->fields[0];
- $fld->type = $rs->fields[1];
- $fld->max_length = $rs->fields[2];
- $fld->precision = $rs->fields[3];
- $fld->scale = $rs->fields[4];
- $fld->not_null =!$rs->fields[5];
- $fld->has_default = $rs->fields[6];
- $fld->xtype = $rs->fields[7];
- $fld->type_length = $rs->fields[8];
- $fld->auto_increment= $rs->fields[9];
- } else {
- $fld->name = $rs->fields['name'];
- $fld->type = $rs->fields['type'];
- $fld->max_length = $rs->fields['length'];
- $fld->precision = $rs->fields['precision'];
- $fld->scale = $rs->fields['scale'];
- $fld->not_null =!$rs->fields['nullable'];
- $fld->has_default = $rs->fields['default_value'];
- $fld->xtype = $rs->fields['xtype'];
- $fld->type_length = $rs->fields['type_length'];
- $fld->auto_increment= $rs->fields['is_identity'];
- }
- if ($save == ADODB_FETCH_NUM)
- $retarr[] = $fld;
- else
- $retarr[strtoupper($fld->name)] = $fld;
- $rs->MoveNext();
- }
- $rs->Close();
- $cached_columns[$table] = $retarr;
- return $retarr;
- }
- /**
- * 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;
- }
- /**
- * Returns the maximum size of a MetaType C field. Because of the
- * database design, SQL Server places no limits on the size of data inserted
- * Although the actual limit is 2^31-1 bytes.
- *
- * @return int
- */
- function charMax()
- {
- return ADODB_STRINGMAX_NOLIMIT;
- }
- /**
- * Returns the maximum size of a MetaType X field. Because of the
- * database design, SQL Server places no limits on the size of data inserted
- * Although the actual limit is 2^31-1 bytes.
- *
- * @return int
- */
- function textMax()
- {
- return ADODB_STRINGMAX_NOLIMIT;
- }
- /**
- * Lists procedures, functions and methods in an array.
- *
- * @param string $procedureNamePattern (optional)
- * @param string $catalog (optional)
- * @param string $schemaPattern (optional)
-
- * @return array of stored objects in current database.
- *
- */
- public function metaProcedures($procedureNamePattern = null, $catalog = null, $schemaPattern = null)
- {
-
- $metaProcedures = array();
- $procedureSQL = '';
- $catalogSQL = '';
- $schemaSQL = '';
-
- if ($procedureNamePattern)
- $procedureSQL = "AND ROUTINE_NAME LIKE " . strtoupper($this->qstr($procedureNamePattern));
-
- if ($catalog)
- $catalogSQL = "AND SPECIFIC_SCHEMA=" . strtoupper($this->qstr($catalog));
-
- if ($schemaPattern)
- $schemaSQL = "AND ROUTINE_SCHEMA LIKE {$this->qstr($schemaPattern)}";
-
-
- $fields = " ROUTINE_NAME,ROUTINE_TYPE,ROUTINE_SCHEMA,ROUTINE_CATALOG";
-
- $SQL = "SELECT $fields
- FROM {$this->database}.information_schema.routines
- WHERE 1=1
- $procedureSQL
- $catalogSQL
- $schemaSQL
- ORDER BY ROUTINE_NAME
- ";
-
- $result = $this->execute($SQL);
-
- if (!$result)
- return false;
- while ($r = $result->fetchRow()){
-
- if (!isset($r[0]))
- /*
- * Convert to numeric
- */
- $r = array_values($r);
-
- $procedureName = $r[0];
- $schemaName = $r[2];
- $routineCatalog= $r[3];
- $metaProcedures[$procedureName] = array('type'=> $r[1],
- 'catalog' => $routineCatalog,
- 'schema' => $schemaName,
- 'remarks' => '',
- );
-
- }
-
- return $metaProcedures;
-
- }
-
- }
- /*--------------------------------------------------------------------------------------
- Class Name: Recordset
- --------------------------------------------------------------------------------------*/
- class ADORecordset_mssqlnative extends ADORecordSet {
- var $databaseType = "mssqlnative";
- var $canSeek = false;
- var $fieldOffset = 0;
- // _mths works only in non-localised system
- /*
- * Holds a cached version of the metadata
- */
- private $fieldObjects = false;
- /*
- * Flags if we have retrieved the metadata
- */
- private $fieldObjectsRetrieved = false;
- /*
- * Cross-reference the objects by name for easy access
- */
- private $fieldObjectsIndex = array();
- /*
- * Cross references the dateTime objects for faster decoding
- */
- private $dateTimeObjects = array();
- /*
- * flags that we have dateTimeObjects to handle
- */
- private $hasDateTimeObjects = false;
- /*
- * This is cross reference between how the types are stored
- * in SQL Server and their english-language description
- * -154 is a time field, see #432
- */
- private $_typeConversion = array(
- -155 => 'datetimeoffset',
- -154 => 'char',
- -152 => 'xml',
- -151 => 'udt',
- -11 => 'uniqueidentifier',
- -10 => 'ntext',
- -9 => 'nvarchar',
- -8 => 'nchar',
- -7 => 'bit',
- -6 => 'tinyint',
- -5 => 'bigint',
- -4 => 'image',
- -3 => 'varbinary',
- -2 => 'timestamp',
- -1 => 'text',
- 1 => 'char',
- 2 => 'numeric',
- 3 => 'decimal',
- 4 => 'int',
- 5 => 'smallint',
- 6 => 'float',
- 7 => 'real',
- 12 => 'varchar',
- 91 => 'date',
- 93 => 'datetime'
- );
- function __construct($id,$mode=false)
- {
- if ($mode === false) {
- global $ADODB_FETCH_MODE;
- $mode = $ADODB_FETCH_MODE;
- }
- $this->fetchMode = $mode;
- parent::__construct($id);
- }
- function _initrs()
- {
- $this->_numOfRows = -1;//not supported
- // Cache the metadata right now
- $this->_fetchField();
- }
- //Contributed by "Sven Axelsson" <sven.axelsson@bokochwebb.se>
- // get next resultset - requires PHP 4.0.5 or later
- function NextRecordSet()
- {
- if (!sqlsrv_next_result($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 (!is_array($this->fields))
- /*
- * Too early
- */
- return;
- if ($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.
- *
- * $param int $fieldOffset (optional default=-1 for all
- * @return mixed an ADOFieldObject, or array of objects
- */
- private function _fetchField($fieldOffset = -1)
- {
- if ($this->fieldObjectsRetrieved){
- if ($this->fieldObjects) {
- /*
- * Already got the information
- */
- if ($fieldOffset == -1)
- return $this->fieldObjects;
- else
- return $this->fieldObjects[$fieldOffset];
- }
- else
- /*
- * No metadata available
- */
- return false;
- }
- $this->fieldObjectsRetrieved = true;
- /*
- * Retrieve all metadata in one go. This is always returned as a
- * numeric array.
- */
- $fieldMetaData = sqlsrv_field_metadata($this->_queryID);
- if (!$fieldMetaData)
- /*
- * Not a statement that gives us metaData
- */
- return false;
- $this->_numOfFields = count($fieldMetaData);
- foreach ($fieldMetaData as $key=>$value)
- {
- $fld = new ADOFieldObject;
- /*
- * Caution - keys are case-sensitive, must respect
- * casing of values
- */
- $fld->name = $value['Name'];
- $fld->max_length = $value['Size'];
- $fld->column_source = $value['Name'];
- $fld->type = $this->_typeConversion[$value['Type']];
- $this->fieldObjects[$key] = $fld;
- $this->fieldObjectsIndex[$fld->name] = $key;
- }
- if ($fieldOffset == -1)
- return $this->fieldObjects;
- return $this->fieldObjects[$fieldOffset];
- }
- /*
- * Fetchfield copies the oracle method, it loads the field information
- * into the _fieldobjs array once, to save multiple calls to the
- * sqlsrv_field_metadata function
- *
- * @param int $fieldOffset (optional)
- *
- * @return adoFieldObject
- *
- * @author KM Newnham
- * @date 02/20/2013
- */
- function fetchField($fieldOffset = -1)
- {
- return $this->fieldObjects[$fieldOffset];
- }
- function _seek($row)
- {
- return false;//There is no support for cursors in the driver at this time. All data is returned via forward-only streams.
- }
- // speedup
- function MoveNext()
- {
- if ($this->EOF)
- return false;
- $this->_currentRow++;
- if ($this->_fetch())
- return true;
- $this->EOF = true;
- return false;
- }
- function _fetch($ignore_fields=false)
- {
- if ($this->fetchMode & ADODB_FETCH_ASSOC) {
- if ($this->fetchMode & ADODB_FETCH_NUM)
- $this->fields = @sqlsrv_fetch_array($this->_queryID,SQLSRV_FETCH_BOTH);
- else
- $this->fields = @sqlsrv_fetch_array($this->_queryID,SQLSRV_FETCH_ASSOC);
- if (is_array($this->fields))
- {
- if (ADODB_ASSOC_CASE == ADODB_ASSOC_CASE_LOWER)
- $this->fields = array_change_key_case($this->fields,CASE_LOWER);
- else if (ADODB_ASSOC_CASE == ADODB_ASSOC_CASE_UPPER)
- $this->fields = array_change_key_case($this->fields,CASE_UPPER);
- }
- }
- else
- $this->fields = @sqlsrv_fetch_array($this->_queryID,SQLSRV_FETCH_NUMERIC);
- if (!$this->fields)
- return false;
- 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.
- *
- * @return bool tru if we succeeded in closing down
- */
- function _close()
- {
- /*
- * If we are closing down a failed query, collect any
- * error messages. This is a hack fix to the "close too early"
- * problem so this might go away later
- */
- $this->connection->errorMsg();
- if(is_resource($this->_queryID)) {
- $rez = sqlsrv_free_stmt($this->_queryID);
- $this->_queryID = false;
- return $rez;
- }
-
- return true;
- }
- }
- class ADORecordSet_array_mssqlnative extends ADORecordSet_array {}
- /*
- 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
- */