function rollback($sp)
 {
     if ($sp) {
         return ociexecute(ociparse($this->connection, "ROLLBACK TO SAVEPOINT {$sp}"));
     } else {
         return ocirollback($this->connection);
     }
 }

 /**
  * SQL Transaction
  * @access private
  */
 function _sql_transaction($status = 'begin')
 {
     switch ($status) {
         case 'begin':
             return true;
             break;
         case 'commit':
             return @ocicommit($this->db_connect_id);
             break;
         case 'rollback':
             return @ocirollback($this->db_connect_id);
             break;
     }
     return true;
 }

 /**
  * Rollback a transaction
  *
  * @param unknown_type $model
  * @return boolean True on success, false on fail
  * (i.e. if the database/model does not support transactions,
  * or a transaction has not started).
  */
 function rollback()
 {
     return ocirollback($this->connection);
 }

function DBrollback()
{
    global $DB;
    $result = false;
    if (isset($DB['DB']) && !empty($DB['DB'])) {
        switch ($DB['TYPE']) {
            case 'MYSQL':
                $result = DBexecute('rollback');
                break;
            case 'POSTGRESQL':
                $result = DBexecute('rollback');
                break;
            case 'ORACLE':
                $result = ocirollback($DB['DB']);
                break;
            case 'SQLITE3':
                $result = DBexecute('rollback');
                unlock_db_access();
                break;
        }
    }
    return $result;
}

function DBrollback()
{
    global $DB;
    $result = false;
    switch ($DB['TYPE']) {
        case ZBX_DB_MYSQL:
            $result = DBexecute('rollback');
            break;
        case ZBX_DB_POSTGRESQL:
            $result = DBexecute('rollback');
            break;
        case ZBX_DB_ORACLE:
            $result = ocirollback($DB['DB']);
            break;
        case ZBX_DB_DB2:
            $result = db2_rollback($DB['DB']);
            db2_autocommit($DB['DB'], DB2_AUTOCOMMIT_ON);
            break;
        case ZBX_DB_SQLITE3:
            $result = DBexecute('rollback');
            unlock_sqlite3_access();
            break;
    }
    return $result;
}

 function &rollBack()
 {
     return ocirollback($this->_connection);
 }

 function rollback()
 {
     if (!$this->isConnect) {
         return false;
     }
     return ocirollback($this->connection);
 }

/**
 * db_rollback() - Rollback a transaction
 */
function db_rollback()
{
    global $sys_db_oci_commit_mode, $gfconn;
    $sys_db_oci_commit_mode = 'OCI_COMMIT_ON_SUCCESS';
    return ocirollback($gfconn);
}

ocidefinebyname();
ocierror();
ociexecute();
ocifetch();
ocifetchinto();
ocifetchstatement();
ocifreecollection();
ocifreecursor();
ocifreedesc();
ocifreestatement();
ociinternaldebug();
ociloadlob();
ocilogoff();
ocilogon();
ocinewcollection();
ocinewcursor();
ocinewdescriptor();
ocinlogon();
ocinumcols();
ociparse();
ociplogon();
ociresult();
ocirollback();
ocirowcount();
ocisavelob();
ocisavelobfile();
ociserverversion();
ocisetprefetch();
ocistatementtype();
ociwritelobtofile();
ociwritetemporarylob();