[Phpgroupware-cvs] phpgwapi/inc/adodb/drivers/adodb-odbtp.inc.php, 1.2

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Update of /phpgwapi/inc/adodb/drivers
Added Files:
        Branch: 
          adodb-odbtp.inc.php

date: 2004/12/30 06:47:32;  author: skwashd;  state: Exp;  lines: +727 -0

Log Message:
new HEAD
=====================================================================
<?php
/*
  V4.54 5 Nov 2004  (c) 2000-2004 John Lim (address@hidden). 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. See License.txt.
  Set tabs to 4 for best viewing.
  Latest version is available at http://adodb.sourceforge.net
*/
// Code contributed by "stefan bogdan" <sbogdan#rsb.ro>

// security - hide paths
if (!defined('ADODB_DIR')) die();

define("_ADODB_ODBTP_LAYER", 2 );

class ADODB_odbtp extends ADOConnection{
        var $databaseType = "odbtp";
        var $dataProvider = "odbtp";
        var $fmtDate = "'Y-m-d'";
        var $fmtTimeStamp = "'Y-m-d, h:i:sA'";
        var $replaceQuote = "''"; // string to use to replace quotes
        var $odbc_driver = 0;
        var $hasAffectedRows = true;
        var $hasInsertID = false;
        var $hasGenID = true;
        var $hasMoveFirst = true;

        var $_genSeqSQL = "create table %s (seq_name char(30) not null unique , 
seq_value integer not null)";
        var $_dropSeqSQL = "delete from adodb_seq where seq_name = '%s'";
        var $_bindInputArray = false;
        var $_useUnicodeSQL = false;
        var $_canPrepareSP = false;
        var $_dontPoolDBC = true;

        function ADODB_odbtp()
        {
        }

        function ServerInfo()
        {
                return array('description' => @odbtp_get_attr( 
ODB_ATTR_DBMSNAME, $this->_connectionID),
                             'version' => @odbtp_get_attr( ODB_ATTR_DBMSVER, 
$this->_connectionID));
        }

        function ErrorMsg()
        {
                if (empty($this->_connectionID)) return @odbtp_last_error();
                return @odbtp_last_error($this->_connectionID);
        }

        function ErrorNo()
        {
                if (empty($this->_connectionID)) return 
@odbtp_last_error_state();
                        return @odbtp_last_error_state($this->_connectionID);
        }

        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()
        {
                if ($this->_queryID) {
                        return @odbtp_affected_rows ($this->_queryID);
           } else
                return 0;
        }

        function CreateSequence($seqname='adodbseq',$start=1)
        {
                //verify existence
                $num = $this->GetOne("select seq_value from adodb_seq");
                $seqtab='adodb_seq';
                if( $this->odbc_driver == ODB_DRIVER_FOXPRO ) {
                        $path = @odbtp_get_attr( ODB_ATTR_DATABASENAME, 
$this->_connectionID );
                        //if using vfp dbc file
                        if( !strcasecmp(strrchr($path, '.'), '.dbc') )
                $path = substr($path,0,strrpos($path,'\/'));
                $seqtab = $path . '/' . $seqtab;
        }
                if($num == false) {
                        if (empty($this->_genSeqSQL)) return false;
                        $ok = $this->Execute(sprintf($this->_genSeqSQL 
,$seqtab));
                }
                $num = $this->GetOne("select seq_value from adodb_seq where 
seq_name='$seqname'");
                if ($num) {
                        return false;
                }
                $start -= 1;
                return $this->Execute("insert into adodb_seq 
values('$seqname',$start)");
        }

        function DropSequence($seqname)
        {
                if (empty($this->_dropSeqSQL)) return false;
                return $this->Execute(sprintf($this->_dropSeqSQL,$seqname));
        }

        function GenID($seq='adodbseq',$start=1)
        {
                $seqtab='adodb_seq';
                if( $this->odbc_driver == ODB_DRIVER_FOXPRO) {
                        $path = @odbtp_get_attr( ODB_ATTR_DATABASENAME, 
$this->_connectionID );
                        //if using vfp dbc file
                        if( !strcasecmp(strrchr($path, '.'), '.dbc') )
                $path = substr($path,0,strrpos($path,'\/'));
                $seqtab = $path . '/' . $seqtab;
        }
                $MAXLOOPS = 100;
                while (--$MAXLOOPS>=0) {
                        $num = $this->GetOne("select seq_value from adodb_seq 
where seq_name='$seq'");
                        if ($num === false) {
                                //verify if abodb_seq table exist
                                $ok = $this->GetOne("select seq_value from 
adodb_seq ");
                                if(!$ok) {
                                        //creating the sequence table adodb_seq
                                        
$this->Execute(sprintf($this->_genSeqSQL ,$seqtab));
                                }
                                $start -= 1;
                                $num = '0';
                                $ok = $this->Execute("insert into adodb_seq 
values('$seq',$start)");
                                if (!$ok) return false;
                        }
                        $ok = $this->Execute("update adodb_seq set 
seq_value=seq_value+1 where seq_name='$seq'");
                        if($ok) {
                                $num += 1;
                                $this->genID = $num;
                                return $num;
                        }
                }
        if ($fn = $this->raiseErrorFn) {
                $fn($this->databaseType,'GENID',-32000,"Unable to generate 
unique id after $MAXLOOPS attempts",$seq,$num);
        }
                return false;
        }

        //example for $UserOrDSN
        //for visual fox : DRIVER={Microsoft Visual FoxPro 
Driver};SOURCETYPE=DBF;SOURCEDB=c:\YourDbfFileDir;EXCLUSIVE=NO;
        //for visual fox dbc: DRIVER={Microsoft Visual FoxPro 
Driver};SOURCETYPE=DBC;SOURCEDB=c:\YourDbcFileDir\mydb.dbc;EXCLUSIVE=NO;
        //for access : DRIVER={Microsoft Access Driver 
(*.mdb)};DBQ=c:\path_to_access_db\base_test.mdb;UID=root;PWD=;
        //for mssql : DRIVER={SQL 
Server};SERVER=myserver;UID=myuid;PWD=mypwd;DATABASE=OdbtpTest;
        //if uid & pwd can be separate
    function _connect($HostOrInterface, $UserOrDSN='', $argPassword='', 
$argDatabase='')
        {
                $this->_connectionID = 
@odbtp_connect($HostOrInterface,$UserOrDSN,$argPassword,$argDatabase);
                if ($this->_connectionID === false) {
                        $this->_errorMsg = $this->ErrorMsg() ;
                        return false;
                }
                if ($this->_dontPoolDBC) {
                        if (function_exists('odbtp_dont_pool_dbc'))
                                @odbtp_dont_pool_dbc($this->_connectionID);
                }
                else {
                        $this->_dontPoolDBC = true;
                }
                $this->odbc_driver = @odbtp_get_attr(ODB_ATTR_DRIVER, 
$this->_connectionID);
                $dbms = strtolower(@odbtp_get_attr(ODB_ATTR_DBMSNAME, 
$this->_connectionID));
                $this->odbc_name = $dbms;
                
                // Account for inconsistent DBMS names
                if( $this->odbc_driver == ODB_DRIVER_ORACLE )
                        $dbms = 'oracle';
                else if( $this->odbc_driver == ODB_DRIVER_SYBASE )
                        $dbms = 'sybase';

                // Set DBMS specific attributes
                switch( $dbms ) {
                        case 'microsoft sql server':
                                $this->databaseType = 'odbtp_mssql';
                                $this->fmtDate = "'Y-m-d'";
                                $this->fmtTimeStamp = "'Y-m-d h:i:sA'";
                                $this->sysDate = 
'convert(datetime,convert(char,GetDate(),102),102)';
                                $this->sysTimeStamp = 'GetDate()';
                                $this->ansiOuter = true;
                                $this->leftOuter = '*=';
                                $this->rightOuter = '=*';
                $this->hasTop = 'top';
                                $this->hasInsertID = true;
                                $this->hasTransactions = true;
                                $this->_bindInputArray = true;
                                $this->_canSelectDb = true;
                                $this->substr = "substring";
                                $this->length = 'len';
                                $this->identitySQL = 'select @@IDENTITY';
                                $this->metaDatabasesSQL = "select name from 
master..sysdatabases where name <> 'master'";
                                $this->_canPrepareSP = true;
                                break;
                        case 'access':
                                $this->databaseType = 'odbtp_access';
                                $this->fmtDate = "#Y-m-d#";
                                $this->fmtTimeStamp = "#Y-m-d h:i:sA#";
                                $this->sysDate = "FORMAT(NOW,'yyyy-mm-dd')";
                                $this->sysTimeStamp = 'NOW';
                $this->hasTop = 'top';
                                $this->hasTransactions = false;
                                $this->_canPrepareSP = true;  // For MS Access 
only.
                                break;
                        case 'visual foxpro':
                                $this->databaseType = 'odbtp_vfp';
                                $this->fmtDate = "{^Y-m-d}";
                                $this->fmtTimeStamp = "{^Y-m-d, h:i:sA}";
                                $this->sysDate = 'date()';
                                $this->sysTimeStamp = 'datetime()';
                                $this->ansiOuter = true;
                $this->hasTop = 'top';
                                $this->hasTransactions = false;
                                $this->replaceQuote = "'+chr(39)+'";
                                $this->true = '.T.';
                                $this->false = '.F.';
                                break;
                        case 'oracle':
                                $this->databaseType = 'odbtp_oci8';
                                $this->fmtDate = "'Y-m-d 00:00:00'";
                                $this->fmtTimeStamp = "'Y-m-d h:i:sA'";
                                $this->sysDate = 'TRUNC(SYSDATE)';
                                $this->sysTimeStamp = 'SYSDATE';
                                $this->hasTransactions = true;
                                $this->_bindInputArray = true;
                                $this->concat_operator = '||';
                                break;
                        case 'sybase':
                                $this->databaseType = 'odbtp_sybase';
                                $this->fmtDate = "'Y-m-d'";
                                $this->fmtTimeStamp = "'Y-m-d H:i:s'";
                                $this->sysDate = 'GetDate()';
                                $this->sysTimeStamp = 'GetDate()';
                                $this->leftOuter = '*=';
                                $this->rightOuter = '=*';
                                $this->hasInsertID = true;
                                $this->hasTransactions = true;
                                $this->identitySQL = 'select @@IDENTITY';
                                break;
                        default:
                                $this->databaseType = 'odbtp';
                                if( @odbtp_get_attr(ODB_ATTR_TXNCAPABLE, 
$this->_connectionID) )
                                        $this->hasTransactions = true;
                                else
                                        $this->hasTransactions = false;
                }
        @odbtp_set_attr(ODB_ATTR_FULLCOLINFO, TRUE, $this->_connectionID );

                if ($this->_useUnicodeSQL )
                        @odbtp_set_attr(ODB_ATTR_UNICODESQL, TRUE, 
$this->_connectionID);

        return true;
        }

        function _pconnect($HostOrInterface, $UserOrDSN='', $argPassword='', 
$argDatabase='')
        {
                $this->_dontPoolDBC = false;
                return $this->_connect($HostOrInterface, $UserOrDSN, 
$argPassword, $argDatabase);
        }

        function SelectDB($dbName)
        {
                if (address@hidden($dbName, $this->_connectionID)) {
                        return false;
                }
                $this->databaseName = $dbName;
                return true;
        }
        
        function &MetaTables($ttype='',$showSchema=false,$mask=false)
        {
        global $ADODB_FETCH_MODE;

                $savem = $ADODB_FETCH_MODE;
                $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
                if ($this->fetchMode !== false) $savefm = 
$this->SetFetchMode(false);
                
                $arr =& $this->GetArray("||SQLTables||||$ttype");
                
                if (isset($savefm)) $this->SetFetchMode($savefm);
                $ADODB_FETCH_MODE = $savem;

                $arr2 = array();
                for ($i=0; $i < sizeof($arr); $i++) {
                        if ($arr[$i][3] == 'SYSTEM TABLE' )     continue;
                        if ($arr[$i][2])
                                $arr2[] = $showSchema ? 
$arr[$i][1].'.'.$arr[$i][2] : $arr[$i][2];
                }
                return $arr2;
        }
        
        function &MetaColumns($table,$upper=true)
        {
        global $ADODB_FETCH_MODE;

                $schema = false;
                $this->_findschema($table,$schema);
                if ($upper) $table = strtoupper($table);

                $savem = $ADODB_FETCH_MODE;
                $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
                if ($this->fetchMode !== false) $savefm = 
$this->SetFetchMode(false);
                
                $rs = $this->Execute( "||SQLColumns||$schema|$table" );
                
                if (isset($savefm)) $this->SetFetchMode($savefm);
                $ADODB_FETCH_MODE = $savem;

                if (!$rs || $rs->EOF) {
                        $false = false;
                        return $false;
                }
                while (!$rs->EOF) {
                        //print_r($rs->fields);
                        if (strtoupper($rs->fields[2]) == $table) {
                                $fld = new ADOFieldObject();
                                $fld->name = $rs->fields[3];
                                $fld->type = $rs->fields[5];
                                $fld->max_length = $rs->fields[6];
                        $fld->not_null = !empty($rs->fields[9]);
                                $fld->scale = $rs->fields[7];
                                if (!is_null($rs->fields[12])) {
                                        $fld->has_default = true;
                                        $fld->default_value = $rs->fields[12];
                                }
                                $retarr[strtoupper($fld->name)] = $fld;
                        } else if (sizeof($retarr)>0)
                                break;
                        $rs->MoveNext();
                }
                $rs->Close();

                return $retarr;
        }

        function &MetaPrimaryKeys($table, $owner='')
        {
        global $ADODB_FETCH_MODE;

                $savem = $ADODB_FETCH_MODE;
                $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
                $arr =& $this->GetArray("||SQLPrimaryKeys||$owner|$table");
                $ADODB_FETCH_MODE = $savem;

                //print_r($arr);
                $arr2 = array();
                for ($i=0; $i < sizeof($arr); $i++) {
                        if ($arr[$i][3]) $arr2[] = $arr[$i][3];
                }
                return $arr2;
        }

        function &MetaForeignKeys($table, $owner='', $upper=false)
        {
        global $ADODB_FETCH_MODE;

                $savem = $ADODB_FETCH_MODE;
                $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
                $constraints =& 
$this->GetArray("||SQLForeignKeys|||||$owner|$table");
                $ADODB_FETCH_MODE = $savem;

                $arr = false;
                foreach($constraints as $constr) {
                        //print_r($constr);
                        $arr[$constr[11]][$constr[2]][] = 
$constr[7].'='.$constr[3];
                }
                if (!$arr) {
                        $false = false;
                        return $false;
                }
                
                $arr2 = array();

                foreach($arr as $k => $v) {
                        foreach($v as $a => $b) {
                                if ($upper) $a = strtoupper($a);
                                $arr2[$a] = $b;
                        }
                }
                return $arr2;
        }

        function BeginTrans()
        {
                if (!$this->hasTransactions) return false;
                if ($this->transOff) return true;
                $this->transCnt += 1;
                $this->autoCommit = false;
                if (defined('ODB_TXN_DEFAULT'))
                        $txn = ODB_TXN_DEFAULT;
                else
                        $txn = ODB_TXN_READUNCOMMITTED;
                $rs = 
@odbtp_set_attr(ODB_ATTR_TRANSACTIONS,$txn,$this->_connectionID);
                if(!$rs) return false;
                return true;
        }

        function CommitTrans($ok=true)
        {
                if ($this->transOff) return true;
                if (!$ok) return $this->RollbackTrans();
                if ($this->transCnt) $this->transCnt -= 1;
                $this->autoCommit = true;
                if( ($ret = @odbtp_commit($this->_connectionID)) )
                        $ret = @odbtp_set_attr(ODB_ATTR_TRANSACTIONS, 
ODB_TXN_NONE, $this->_connectionID);//set transaction off
                return $ret;
        }

        function RollbackTrans()
        {
                if ($this->transOff) return true;
                if ($this->transCnt) $this->transCnt -= 1;
                $this->autoCommit = true;
                if( ($ret = @odbtp_rollback($this->_connectionID)) )
                        $ret = @odbtp_set_attr(ODB_ATTR_TRANSACTIONS, 
ODB_TXN_NONE, $this->_connectionID);//set transaction off
                return $ret;
        }

        function &SelectLimit($sql,$nrows=-1,$offset=-1, 
$inputarr=false,$secs2cache=0)
        {
                // TOP requires ORDER BY for Visual FoxPro
                if( $this->odbc_driver == ODB_DRIVER_FOXPRO ) {
                        if (!preg_match('/ORDER[ \t\r\n]+BY/is',$sql)) $sql .= 
' ORDER BY 1';
                }
                return 
ADOConnection::SelectLimit($sql,$nrows,$offset,$inputarr,$secs2cache);
        }

        function Prepare($sql)
        {
                if (! $this->_bindInputArray) return $sql; // no binding
                $stmt = @odbtp_prepare($sql,$this->_connectionID);
                if (!$stmt) {
                //      print "Prepare Error for ($sql) 
".$this->ErrorMsg()."<br>";
                        return $sql;
                }
                return array($sql,$stmt,false);
        }

        function PrepareSP($sql)
        {
                if (!$this->_canPrepareSP) return $sql; // Can't prepare 
procedures

                $stmt = @odbtp_prepare_proc($sql,$this->_connectionID);
                if (!$stmt) return false;
                return array($sql,$stmt);
        }

        /*
        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);
                $db->Parameter($stmt,$group,'photo',false,100000,ODB_BINARY);
                $db->Execute($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 odbtp.
                @param [$maxLen] Holds an maximum length of the variable.
                @param [$type] The data type of $var. Legal values depend on 
driver.

                See odbtp_attach_param documentation at 
http://odbtp.sourceforge.net.
        */
        function Parameter(&$stmt, &$var, $name, $isOutput=false, $maxLen=0, 
$type=0)
        {
                if ( $this->odbc_driver == ODB_DRIVER_JET ) {
                        $name = '['.$name.']';
                        if( !$type && $this->_useUnicodeSQL
                                && @odbtp_param_bindtype($stmt[1], $name) == 
ODB_CHAR )
                        {
                                $type = ODB_WCHAR;
                        }
                }
                else {
                        $name = '@'.$name;
                }
                return @odbtp_attach_param($stmt[1], $name, $var, $type, 
$maxLen);
        }

        /*
                Insert a null into the blob field of the table first.
                Then use UpdateBlob to store the blob.

                Usage:

                $conn->Execute('INSERT INTO blobtable (id, blobcol) VALUES (1, 
null)');
                $conn->UpdateBlob('blobtable','blobcol',$blob,'id=1');
        */

        function UpdateBlob($table,$column,$val,$where,$blobtype='image')
        {
                $sql = "UPDATE $table SET $column = ? WHERE $where";
                if( !($stmt = @odbtp_prepare($sql, $this->_connectionID)) )
                        return false;
                if( address@hidden( $stmt, 1, ODB_BINARY, 1000000, $blobtype ) )
                        return false;
                if( address@hidden( $stmt, 1, $val ) )
                        return false;
                return @odbtp_execute( $stmt ) != false;
        }

        function IfNull( $field, $ifNull )
        {
                switch( $this->odbc_driver ) {
                        case ODB_DRIVER_MSSQL:
                                return " ISNULL($field, $ifNull) ";
                        case ODB_DRIVER_JET:
                                return " IIF(IsNull($field), $ifNull, $field) ";
                }
                return " CASE WHEN $field is null THEN $ifNull ELSE $field END 
";
        }

        function _query($sql,$inputarr=false)
        {
                if ($inputarr) {
                        if (is_array($sql)) {
                                $stmtid = $sql[1];
                        } else {
                                $stmtid = 
@odbtp_prepare($sql,$this->_connectionID);
                                if ($stmtid == false) {
                                        $this->_errorMsg = $php_errormsg;
                                        return false;
                                }
                        }
                        $num_params = @odbtp_num_params( $stmtid );
                        for( $param = 1; $param <= $num_params; $param++ ) {
                                @odbtp_input( $stmtid, $param );
                                @odbtp_set( $stmtid, $param, 
$inputarr[$param-1] );
                        }
                        if (address@hidden($stmtid) ) {
                                return false;
                        }
                } else if (is_array($sql)) {
                        $stmtid = $sql[1];
                        if (address@hidden($stmtid)) {
                                return false;
                        }
                } else {
                        $stmtid = @odbtp_query($sql,$this->_connectionID);
                }
                $this->_lastAffectedRows = 0;
                if ($stmtid) {
                                $this->_lastAffectedRows = 
@odbtp_affected_rows($stmtid);
                }
        return $stmtid;
        }

        function _close()
        {
                $ret = @odbtp_close($this->_connectionID);
                $this->_connectionID = false;
                return $ret;
        }
}

class ADORecordSet_odbtp extends ADORecordSet {

        var $databaseType = 'odbtp';
        var $canSeek = true;

        function ADORecordSet_odbtp($queryID,$mode=false)
        {
                if ($mode === false) {
                        global $ADODB_FETCH_MODE;
                        $mode = $ADODB_FETCH_MODE;
                }
                $this->fetchMode = $mode;
                $this->ADORecordSet($queryID);
        }

        function _initrs()
        {
                $this->_numOfFields = @odbtp_num_fields($this->_queryID);
                if (!($this->_numOfRows = @odbtp_num_rows($this->_queryID)))
                        $this->_numOfRows = -1;

                if (!$this->connection->_useUnicodeSQL) return;

                if ($this->connection->odbc_driver == ODB_DRIVER_JET) {
                        if (address@hidden(ODB_ATTR_MAPCHARTOWCHAR,
                                             $this->connection->_connectionID))
                        {
                                for ($f = 0; $f < $this->_numOfFields; $f++) {
                                        if 
(@odbtp_field_bindtype($this->_queryID, $f) == ODB_CHAR)
                                                
@odbtp_bind_field($this->_queryID, $f, ODB_WCHAR);
                                }
                        }
                }
        }

        function &FetchField($fieldOffset = 0)
        {
                $off=$fieldOffset; // offsets begin at 0
                $o= new ADOFieldObject();
                $o->name = @odbtp_field_name($this->_queryID,$off);
                $o->type = @odbtp_field_type($this->_queryID,$off);
        $o->max_length = @odbtp_field_length($this->_queryID,$off);
                if (ADODB_ASSOC_CASE == 0) $o->name = strtolower($o->name);
                else if (ADODB_ASSOC_CASE == 1) $o->name = strtoupper($o->name);
                return $o;
        }

        function _seek($row)
        {
                return @odbtp_data_seek($this->_queryID, $row);
        }

        function fields($colname)
        {
                if ($this->fetchMode & ADODB_FETCH_ASSOC) return 
$this->fields[$colname];

                if (!$this->bind) {
                        $this->bind = array();
                        for ($i=0; $i < $this->_numOfFields; $i++) {
                                $name = @odbtp_field_name( $this->_queryID, $i 
);
                                $this->bind[strtoupper($name)] = $i;
                        }
                }
                return $this->fields[$this->bind[strtoupper($colname)]];
        }

        function _fetch_odbtp($type=0)
        {
                switch ($this->fetchMode) {
                        case ADODB_FETCH_NUM:
                                $this->fields = 
@odbtp_fetch_row($this->_queryID, $type);
                                break;
                        case ADODB_FETCH_ASSOC:
                                $this->fields = 
@odbtp_fetch_assoc($this->_queryID, $type);
                                break;
            default:
                                $this->fields = 
@odbtp_fetch_array($this->_queryID, $type);
                }
                return is_array($this->fields);
        }

        function _fetch()
        {
                return $this->_fetch_odbtp();
        }

        function MoveFirst()
        {
                if (!$this->_fetch_odbtp(ODB_FETCH_FIRST)) return false;
                $this->EOF = false;
                $this->_currentRow = 0;
                return true;
    }

        function MoveLast()
        {
                if (!$this->_fetch_odbtp(ODB_FETCH_LAST)) return false;
                $this->EOF = false;
                $this->_currentRow = $this->_numOfRows - 1;
                return true;
        }

        function NextRecordSet()
        {
                if (address@hidden($this->_queryID)) return false;
                $this->_inited = false;
                $this->bind = false;
                $this->_currentRow = -1;
                $this->Init();
                return true;
        }

        function _close()
        {
                return @odbtp_free_query($this->_queryID);
        }
}

class ADORecordSet_odbtp_mssql extends ADORecordSet_odbtp {

        var $databaseType = 'odbtp_mssql';

        function ADORecordSet_odbtp_mssql($id,$mode=false)
        {
                return $this->ADORecordSet_odbtp($id,$mode);
        }
}

class ADORecordSet_odbtp_access extends ADORecordSet_odbtp {

        var $databaseType = 'odbtp_access';

        function ADORecordSet_odbtp_access($id,$mode=false)
        {
                return $this->ADORecordSet_odbtp($id,$mode);
        }
}

class ADORecordSet_odbtp_vfp extends ADORecordSet_odbtp {

        var $databaseType = 'odbtp_vfp';

        function ADORecordSet_odbtp_vfp($id,$mode=false)
        {
                return $this->ADORecordSet_odbtp($id,$mode);
        }
}

class ADORecordSet_odbtp_oci8 extends ADORecordSet_odbtp {

        var $databaseType = 'odbtp_oci8';

        function ADORecordSet_odbtp_oci8($id,$mode=false)
        {
                return $this->ADORecordSet_odbtp($id,$mode);
        }
}

class ADORecordSet_odbtp_sybase extends ADORecordSet_odbtp {

        var $databaseType = 'odbtp_sybase';

        function ADORecordSet_odbtp_sybase($id,$mode=false)
        {
                return $this->ADORecordSet_odbtp($id,$mode);
        }
}
?>