Removed MDB2 classes; install seperately

1 files changed, 0 insertions, 1115 deletions

diff --git a/program/lib/MDB2/Driver/ibase.php b/program/lib/MDB2/Driver/ibase.php
deleted file mode 100755
index 260058398..000000000
--- a/program/lib/MDB2/Driver/ibase.php
+++ /dev/null
@@ -1,1115 +0,0 @@
-<?php
-// vim: set et ts=4 sw=4 fdm=marker:
-// +----------------------------------------------------------------------+
-// | PHP versions 4 and 5                                                 |
-// +----------------------------------------------------------------------+
-// | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox,                 |
-// | Stig. S. Bakken, Lukas Smith                                         |
-// | All rights reserved.                                                 |
-// +----------------------------------------------------------------------+
-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
-// | API as well as database abstraction for PHP applications.            |
-// | This LICENSE is in the BSD license style.                            |
-// |                                                                      |
-// | Redistribution and use in source and binary forms, with or without   |
-// | modification, are permitted provided that the following conditions   |
-// | are met:                                                             |
-// |                                                                      |
-// | Redistributions of source code must retain the above copyright       |
-// | notice, this list of conditions and the following disclaimer.        |
-// |                                                                      |
-// | Redistributions in binary form must reproduce the above copyright    |
-// | notice, this list of conditions and the following disclaimer in the  |
-// | documentation and/or other materials provided with the distribution. |
-// |                                                                      |
-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
-// | Lukas Smith nor the names of his contributors may be used to endorse |
-// | or promote products derived from this software without specific prior|
-// | written permission.                                                  |
-// |                                                                      |
-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
-// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
-// | POSSIBILITY OF SUCH DAMAGE.                                          |
-// +----------------------------------------------------------------------+
-// | Author: Lorenzo Alberton <l.alberton@quipo.it>                       |
-// +----------------------------------------------------------------------+
-//
-// $Id$
-
-/**
- * MDB2 FireBird/InterBase driver
- *
- * @package MDB2
- * @category Database
- * @author  Lorenzo Alberton <l.alberton@quipo.it>
- */
-class MDB2_Driver_ibase extends MDB2_Driver_Common
-{
-    // {{{ properties
-    var $escape_quotes = "'";
-
-    var $transaction_id = 0;
-
-    var $query_parameters = array();
-    var $query_parameter_values = array();
-
-    // }}}
-    // {{{ constructor
-
-    /**
-     * Constructor
-     */
-    function __construct()
-    {
-        parent::__construct();
-
-        $this->phptype  = 'ibase';
-        $this->dbsyntax = 'ibase';
-
-        $this->supported['sequences'] = true;
-        $this->supported['indexes'] = true;
-        $this->supported['affected_rows'] = function_exists('ibase_affected_rows');
-        $this->supported['summary_functions'] = true;
-        $this->supported['order_by_text'] = true;
-        $this->supported['transactions'] = true;
-        $this->supported['current_id'] = true;
-        // maybe this needs different handling for ibase and firebird?
-        $this->supported['limit_queries'] = 'emulated';
-        $this->supported['LOBs'] = true;
-        $this->supported['replace'] = false;
-        $this->supported['sub_selects'] = true;
-        $this->supported['auto_increment'] = true;
-        $this->supported['primary_key'] = true;
-
-        $this->options['database_path'] = '';
-        $this->options['database_extension'] = '.gdb';
-        $this->options['default_text_field_length'] = 4096;
-    }
-
-    // }}}
-    // {{{ errorInfo()
-
-    /**
-     * This method is used to collect information about an error
-     *
-     * @param integer $error
-     * @return array
-     * @access public
-     */
-    function errorInfo($error = null)
-    {
-        $native_msg = @ibase_errmsg();
-
-        if (function_exists('ibase_errcode')) {
-            $native_code = @ibase_errcode();
-        } else {
-            // memo for the interbase php module hackers: we need something similar
-            // to mysql_errno() to retrieve error codes instead of this ugly hack
-            if (preg_match('/^([^0-9\-]+)([0-9\-]+)\s+(.*)$/', $native_msg, $m)) {
-                $native_code = (int)$m[2];
-            } else {
-                $native_code = null;
-            }
-        }
-        if (is_null($error)) {
-            $error = MDB2_ERROR;
-            if ($native_code) {
-                // try to interpret Interbase error code (that's why we need ibase_errno()
-                // in the interbase module to return the real error code)
-                switch ($native_code) {
-                case -204:
-                    if (isset($m[3]) && is_int(strpos($m[3], 'Table unknown'))) {
-                        $errno = MDB2_ERROR_NOSUCHTABLE;
-                    }
-                break;
-                default:
-                    static $ecode_map;
-                    if (empty($ecode_map)) {
-                        $ecode_map = array(
-                            -104 => MDB2_ERROR_SYNTAX,
-                            -150 => MDB2_ERROR_ACCESS_VIOLATION,
-                            -151 => MDB2_ERROR_ACCESS_VIOLATION,
-                            -155 => MDB2_ERROR_NOSUCHTABLE,
-                            -157 => MDB2_ERROR_NOSUCHFIELD,
-                            -158 => MDB2_ERROR_VALUE_COUNT_ON_ROW,
-                            -170 => MDB2_ERROR_MISMATCH,
-                            -171 => MDB2_ERROR_MISMATCH,
-                            -172 => MDB2_ERROR_INVALID,
-                            // -204 =>  // Covers too many errors, need to use regex on msg
-                            -205 => MDB2_ERROR_NOSUCHFIELD,
-                            -206 => MDB2_ERROR_NOSUCHFIELD,
-                            -208 => MDB2_ERROR_INVALID,
-                            -219 => MDB2_ERROR_NOSUCHTABLE,
-                            -297 => MDB2_ERROR_CONSTRAINT,
-                            -303 => MDB2_ERROR_INVALID,
-                            -413 => MDB2_ERROR_INVALID_NUMBER,
-                            -530 => MDB2_ERROR_CONSTRAINT,
-                            -551 => MDB2_ERROR_ACCESS_VIOLATION,
-                            -552 => MDB2_ERROR_ACCESS_VIOLATION,
-                            // -607 =>  // Covers too many errors, need to use regex on msg
-                            -625 => MDB2_ERROR_CONSTRAINT_NOT_NULL,
-                            -803 => MDB2_ERROR_CONSTRAINT,
-                            -804 => MDB2_ERROR_VALUE_COUNT_ON_ROW,
-                            -904 => MDB2_ERROR_CONNECT_FAILED,
-                            -922 => MDB2_ERROR_NOSUCHDB,
-                            -923 => MDB2_ERROR_CONNECT_FAILED,
-                            -924 => MDB2_ERROR_CONNECT_FAILED
-                        );
-                    }
-                    if (isset($ecode_map[$native_code])) {
-                        $error = $ecode_map[$native_code];
-                    }
-                    break;
-                }
-            } else {
-                static $error_regexps;
-                if (!isset($error_regexps)) {
-                    $error_regexps = array(
-                        '/generator .* is not defined/'
-                            => MDB2_ERROR_SYNTAX,  // for compat. w ibase_errcode()
-                        '/table.*(not exist|not found|unknown)/i'
-                            => MDB2_ERROR_NOSUCHTABLE,
-                        '/table .* already exists/i'
-                            => MDB2_ERROR_ALREADY_EXISTS,
-                        '/unsuccessful metadata update .* failed attempt to store duplicate value/i'
-                            => MDB2_ERROR_ALREADY_EXISTS,
-                        '/unsuccessful metadata update .* not found/i'
-                            => MDB2_ERROR_NOT_FOUND,
-                        '/validation error for column .* value "\*\*\* null/i'
-                            => MDB2_ERROR_CONSTRAINT_NOT_NULL,
-                        '/violation of [\w ]+ constraint/i'
-                            => MDB2_ERROR_CONSTRAINT,
-                        '/conversion error from string/i'
-                            => MDB2_ERROR_INVALID_NUMBER,
-                        '/no permission for/i'
-                            => MDB2_ERROR_ACCESS_VIOLATION,
-                        '/arithmetic exception, numeric overflow, or string truncation/i'
-                            => MDB2_ERROR_INVALID,
-                    );
-                }
-                foreach ($error_regexps as $regexp => $code) {
-                    if (preg_match($regexp, $native_msg, $m)) {
-                        $error = $code;
-                        break;
-                    }
-                }
-            }
-        }
-        return array($error, $native_code, $native_msg);
-    }
-
-    // }}}
-    // {{{ beginTransaction()
-
-    /**
-     * Start a transaction.
-     *
-     * @return mixed MDB2_OK on success, a MDB2 error on failure
-     * @access public
-     */
-    function beginTransaction()
-    {
-        $this->debug('starting transaction', 'beginTransaction');
-        if ($this->in_transaction) {
-            return MDB2_OK;  //nothing to do
-        }
-        if (!$this->destructor_registered && $this->opened_persistent) {
-            $this->destructor_registered = true;
-            register_shutdown_function('MDB2_closeOpenTransactions');
-        }
-        $result = ibase_trans();
-        if (!$result) {
-            return $this->raiseError(MDB2_ERROR, null, null,
-                'beginTransaction: could not start a transaction');
-        }
-        $this->transaction_id = $result;
-        $this->in_transaction = true;
-        return MDB2_OK;
-    }
-
-    // }}}
-    // {{{ commit()
-
-    /**
-     * Commit the database changes done during a transaction that is in
-     * progress.
-     *
-     * @return mixed MDB2_OK on success, a MDB2 error on failure
-     * @access public
-     */
-    function commit()
-    {
-        $this->debug('commit transaction', 'commit');
-        if (!$this->in_transaction) {
-            return $this->raiseError(MDB2_ERROR, null, null,
-                'commit: transaction changes are being auto committed');
-        }
-        if (!ibase_commit($this->transaction_id)) {
-            return $this->raiseError(MDB2_ERROR, null, null,
-                'commit: could not commit a transaction');
-        }
-        $this->in_transaction = false;
-        //$this->transaction_id = 0;
-        return MDB2_OK;
-    }
-
-    // }}}
-    // {{{ rollback()
-
-    /**
-     * Cancel any database changes done during a transaction that is in
-     * progress.
-     *
-     * @return mixed MDB2_OK on success, a MDB2 error on failure
-     * @access public
-     */
-    function rollback()
-    {
-        $this->debug('rolling back transaction', 'rollback');
-        if (!$this->in_transaction) {
-            return $this->raiseError(MDB2_ERROR, null, null,
-                'rollback: transactions can not be rolled back when changes are auto committed');
-        }
-        if ($this->transaction_id && !ibase_rollback($this->transaction_id)) {
-            return $this->raiseError(MDB2_ERROR, null, null,
-                'rollback: Could not rollback a pending transaction: '.ibase_errmsg());
-        }
-        $this->in_transaction = false;
-        $this->transaction_id = 0;
-        return MDB2_OK;
-    }
-
-    // }}}
-    // {{{ getDatabaseFile()
-
-    /**
-     * Builds the string with path+dbname+extension
-     *
-     * @return string full database path+file
-     * @access protected
-     */
-    function _getDatabaseFile($database_name)
-    {
-        if ($database_name == '') {
-            return $database_name;
-        }
-        return $this->options['database_path'].$database_name.$this->options['database_extension'];
-    }
-
-    // }}}
-    // {{{ _doConnect()
-
-    /**
-     * Does the grunt work of connecting to the database
-     *
-     * @return mixed connection resource on success, MDB2 Error Object on failure
-     * @access protected
-     */
-    function _doConnect($database_name, $persistent = false)
-    {
-        $user    = $this->dsn['username'];
-        $pw      = $this->dsn['password'];
-        $dbhost  = $this->dsn['hostspec'] ?
-            ($this->dsn['hostspec'].':'.$database_name) : $database_name;
-
-        $params = array();
-        $params[] = $dbhost;
-        $params[] = !empty($user) ? $user : null;
-        $params[] = !empty($pw) ? $pw : null;
-        $params[] = isset($this->dsn['charset']) ? $this->dsn['charset'] : null;
-        $params[] = isset($this->dsn['buffers']) ? $this->dsn['buffers'] : null;
-        $params[] = isset($this->dsn['dialect']) ? $this->dsn['dialect'] : null;
-        $params[] = isset($this->dsn['role'])    ? $this->dsn['role'] : null;
-
-        $connect_function = $persistent ? 'ibase_pconnect' : 'ibase_connect';
-
-        $connection = @call_user_func_array($connect_function, $params);
-        if ($connection <= 0) {
-            return $this->raiseError(MDB2_ERROR_CONNECT_FAILED);
-        }
-        if (function_exists('ibase_timefmt')) {
-            @ibase_timefmt("%Y-%m-%d %H:%M:%S", IBASE_TIMESTAMP);
-            @ibase_timefmt("%Y-%m-%d", IBASE_DATE);
-        } else {
-            @ini_set("ibase.timestampformat", "%Y-%m-%d %H:%M:%S");
-            //@ini_set("ibase.timeformat", "%H:%M:%S");
-            @ini_set("ibase.dateformat", "%Y-%m-%d");
-        }
-
-        return $connection;
-    }
-
-    // }}}
-    // {{{ connect()
-
-    /**
-     * Connect to the database
-     *
-     * @return true on success, MDB2 Error Object on failure
-     * @access public
-     */
-    function connect()
-    {
-        $database_file = $this->_getDatabaseFile($this->database_name);
-        if (is_resource($this->connection)) {
-            if (count(array_diff($this->connected_dsn, $this->dsn)) == 0
-                && $this->connected_database_name == $database_file
-                && $this->opened_persistent == $this->options['persistent']
-            ) {
-                return MDB2_OK;
-            }
-            $this->disconnect(false);
-        }
-
-        if (!PEAR::loadExtension('interbase')) {
-            return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
-                'connect: extension '.$this->phptype.' is not compiled into PHP');
-        }
-
-        if (!empty($this->database_name)) {
-            $connection = $this->_doConnect($database_file, $this->options['persistent']);
-            if (PEAR::isError($connection)) {
-                return $connection;
-            }
-            $this->connection =& $connection;
-            $this->connected_dsn = $this->dsn;
-            $this->connected_database_name = $database_file;
-            $this->opened_persistent = $this->options['persistent'];
-            $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype;
-        }
-        return MDB2_OK;
-    }
-
-    // }}}
-    // {{{ disconnect()
-
-    /**
-     * Log out and disconnect from the database.
-     *
-     * @return mixed true on success, false if not connected and error
-     *                object on error
-     * @access public
-     */
-    function disconnect($force = true)
-    {
-        if (is_resource($this->connection)) {
-            if (!$this->opened_persistent || $force) {
-                @ibase_close($this->connection);
-            }
-            $this->connection = 0;
-        }
-        return MDB2_OK;
-    }
-
-    // }}}
-    // {{{ _doQuery()
-
-    /**
-     * Execute a query
-     * @param string $query  query
-     * @param boolean $isManip  if the query is a manipulation query
-     * @param resource $connection
-     * @param string $database_name
-     * @return result or error object
-     * @access protected
-     */
-    function _doQuery($query, $isManip = false, $connection = null, $database_name = null)
-    {
-        $this->last_query = $query;
-        $this->debug($query, 'query');
-        if ($this->getOption('disable_query')) {
-            if ($isManip) {
-                return 0;
-            }
-            return null;
-        }
-
-        if (is_null($connection)) {
-            if ($this->in_transaction) {
-                $connection = $this->transaction_id;
-            } else {
-                $err = $this->connect();
-                if (PEAR::isError($err)) {
-                    return $err;
-                }
-                $connection = $this->connection;
-            }
-        }
-        $result = ibase_query($connection, $query);
-
-        if ($result === false) {
-            return $this->raiseError();
-        }
-
-        if ($isManip) {
-            //return $result;
-            return (function_exists('ibase_affected_rows') ? ibase_affected_rows($connection) : 0);
-        }
-        return $result;
-    }
-
-    // }}}
-    // {{{ _modifyQuery()
-
-    /**
-     * Changes a query string for various DBMS specific reasons
-     *
-     * @param string $query  query to modify
-     * @return the new (modified) query
-     * @access protected
-     */
-    function _modifyQuery($query, $isManip, $limit, $offset)
-    {
-        if ($limit > 0 && $this->dsn['dbsyntax'] == 'firebird') {
-            $query = preg_replace('/^([\s(])*SELECT(?!\s*FIRST\s*\d+)/i',
-                "SELECT FIRST $limit SKIP $offset", $query);
-        }
-        return $query;
-    }
-
-    // }}}
-    // {{{ prepare()
-
-    /**
-     * Prepares a query for multiple execution with execute().
-     * With some database backends, this is emulated.
-     * prepare() requires a generic query as string like
-     * 'INSERT INTO numbers VALUES(?,?)' or
-     * 'INSERT INTO numbers VALUES(:foo,:bar)'.
-     * The ? and :[a-zA-Z] and  are placeholders which can be set using
-     * bindParam() and the query can be send off using the execute() method.
-     *
-     * @param string $query the query to prepare
-     * @param mixed   $types  array that contains the types of the placeholders
-     * @param mixed   $result_types  array that contains the types of the columns in
-     *                        the result set
-     * @return mixed resource handle for the prepared query on success, a MDB2
-     *        error on failure
-     * @access public
-     * @see bindParam, execute
-     */
-    function &prepare($query, $types = null, $result_types = null)
-    {
-        $this->debug($query, 'prepare');
-        $placeholder_type_guess = $placeholder_type = null;
-        $question = '?';
-        $colon = ':';
-        $position = 0;
-        while ($position < strlen($query)) {
-            $q_position = strpos($query, $question, $position);
-            $c_position = strpos($query, $colon, $position);
-            if ($q_position && $c_position) {
-                $p_position = min($q_position, $c_position);
-            } elseif ($q_position) {
-                $p_position = $q_position;
-            } elseif ($c_position) {
-                $p_position = $c_position;
-            } else {
-                break;
-            }
-            if (is_null($placeholder_type)) {
-                $placeholder_type_guess = $query[$p_position];
-            }
-            if (is_int($quote = strpos($query, "'", $position)) && $quote < $p_position) {
-                if (!is_int($end_quote = strpos($query, "'", $quote + 1))) {
-                    $err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null,
-                        'prepare: query with an unterminated text string specified');
-                    return $err;
-                }
-                switch ($this->escape_quotes) {
-                case '':
-                case "'":
-                    $position = $end_quote + 1;
-                    break;
-                default:
-                    if ($end_quote == $quote + 1) {
-                        $position = $end_quote + 1;
-                    } else {
-                        if ($query[$end_quote-1] == $this->escape_quotes) {
-                            $position = $end_quote;
-                        } else {
-                            $position = $end_quote + 1;
-                        }
-                    }
-                    break;
-                }
-            } elseif ($query[$position] == $placeholder_type_guess) {
-                if ($placeholder_type_guess == '?') {
-                    break;
-                }
-                if (is_null($placeholder_type)) {
-                    $placeholder_type = $query[$p_position];
-                    $question = $colon = $placeholder_type;
-                }
-                $name = preg_replace('/^.{'.($position+1).'}([a-z0-9_]+).*$/si', '\\1', $query);
-                if ($name === '') {
-                    $err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null,
-                        'prepare: named parameter with an empty name');
-                    return $err;
-                }
-                $query = substr_replace($query, '?', $position, strlen($name)+1);
-                $position = $p_position + 1;
-            } else {
-                $position = $p_position;
-            }
-        }
-        $connection = ($this->in_transaction ? $this->transaction_id : $this->connection);
-        $statement = ibase_prepare($connection, $query);
-
-        $class_name = 'MDB2_Statement_'.$this->phptype;
-        $obj =& new $class_name($this, $statement, $query, $types, $result_types, $this->row_limit, $this->row_offset);
-        return $obj;
-    }
-
-    // }}}
-    // {{{ nextID()
-
-    /**
-     * returns the next free id of a sequence
-     *
-     * @param string $seq_name name of the sequence
-     * @param boolean $ondemand when true the seqence is
-     *                          automatic created, if it
-     *                          not exists
-     * @return mixed MDB2 Error Object or id
-     * @access public
-     */
-    function nextID($seq_name, $ondemand = true)
-    {
-        $sequence_name = $this->getSequenceName($seq_name);
-        $query = 'SELECT GEN_ID('.strtoupper($sequence_name).', 1) as the_value FROM RDB$DATABASE';
-        $this->expectError('*');
-        $result = $this->queryOne($query, 'integer');
-        $this->popExpect();
-        if (PEAR::isError($result)) {
-            if ($ondemand) {
-                $this->loadModule('Manager');
-                // Since we are creating the sequence on demand
-                // we know the first id = 1 so initialize the
-                // sequence at 2
-                $result = $this->manager->createSequence($seq_name, 2);
-                if (PEAR::isError($result)) {
-                    return $this->raiseError(MDB2_ERROR, null, null,
-                        'nextID: on demand sequence could not be created');
-                } else {
-                    // First ID of a newly created sequence is 1
-                    // return 1;
-                    // BUT generators are not always reset, so return the actual value
-                    return $this->currID($seq_name);
-                }
-            }
-        }
-        return $result;
-    }
-
-    // }}}
-    // {{{ currID()
-
-    /**
-     * returns the current id of a sequence
-     *
-     * @param string $seq_name name of the sequence
-     * @return mixed MDB2 Error Object or id
-     * @access public
-     */
-    function currID($seq_name)
-    {
-        $sequence_name = $this->getSequenceName($seq_name);
-        $query = 'SELECT GEN_ID('.strtoupper($sequence_name).', 0) as the_value FROM RDB$DATABASE';
-        $value = @$this->queryOne($query);
-        if (PEAR::isError($value)) {
-            return $this->raiseError(MDB2_ERROR, null, null,
-                'currID: Unable to select from ' . $seq_name) ;
-        }
-        if (!is_numeric($value)) {
-            return $this->raiseError(MDB2_ERROR, null, null,
-                'currID: could not find value in sequence table');
-        }
-        return $value;
-    }
-
-    // }}}
-}
-
-class MDB2_Result_ibase extends MDB2_Result_Common
-{
-    // {{{ _skipLimitOffset()
-
-    /**
-     * Skip the first row of a result set.
-     *
-     * @param resource $result
-     * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure
-     * @access protected
-     */
-    function _skipLimitOffset()
-    {
-        if ($this->db->dsn['dbsyntax'] == 'firebird') {
-            return true;
-        }
-        if ($this->limit) {
-            if ($this->rownum > $this->limit) {
-                return false;
-            }
-        }
-        if ($this->offset) {
-            while ($this->offset_count < $this->offset) {
-                ++$this->offset_count;
-                if (!is_array(@ibase_fetch_row($this->result))) {
-                    $this->offset_count = $this->offset;
-                    return false;
-                }
-            }
-        }
-        return true;
-    }
-
-    // }}}
-    // {{{ fetchRow()
-
-    /**
-     * Fetch a row and insert the data into an existing array.
-     *
-     * @param int  $fetchmode how the array data should be indexed
-     * @param int  $rownum    number of the row where the data can be found
-     * @return int data array on success, a MDB2 error on failure
-     * @access public
-     */
-    function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
-    {
-        if ($this->result === true) {
-            //query successfully executed, but without results...
-            $null = null;
-            return $null;
-        }
-        if (!$this->_skipLimitOffset()) {
-            $null = null;
-            return $null;
-        }
-        if (!is_null($rownum)) {
-            $seek = $this->seek($rownum);
-            if (PEAR::isError($seek)) {
-                return $seek;
-            }
-        }
-        if ($fetchmode == MDB2_FETCHMODE_DEFAULT) {
-            $fetchmode = $this->db->fetchmode;
-        }
-        if ($fetchmode & MDB2_FETCHMODE_ASSOC) {
-            $row = @ibase_fetch_assoc($this->result);
-            if (is_array($row)
-                && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE
-            ) {
-                $row = array_change_key_case($row, $this->db->options['field_case']);
-            }
-        } else {
-            $row = @ibase_fetch_row($this->result);
-        }
-        if (!$row) {
-            if (is_null($this->result)) {
-                $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
-                    'fetchRow: resultset has already been freed');
-                return $err;
-            }
-            $null = null;
-            return $null;
-        }
-        if (($mode = ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM)
-            + ($this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL))
-        ) {
-            $this->db->_fixResultArrayValues($row, $mode);
-        }
-        if (!empty($this->values)) {
-            $this->_assignBindColumns($row);
-        }
-        if (!empty($this->types)) {
-            $row = $this->db->datatype->convertResultRow($this->types, $row);
-        }
-        if ($fetchmode === MDB2_FETCHMODE_OBJECT) {
-            $object_class = $this->db->options['fetch_class'];
-            if ($object_class == 'stdClass') {
-                $row = (object) $row;
-            } else {
-                $row = &new $object_class($row);
-            }
-        }
-        ++$this->rownum;
-        return $row;
-    }
-
-    // }}}
-    // {{{ _getColumnNames()
-
-    /**
-     * Retrieve the names of columns returned by the DBMS in a query result.
-     *
-     * @return mixed associative array variable
-     *      that holds the names of columns. The indexes of the array are
-     *      the column names mapped to lower case and the values are the
-     *      respective numbers of the columns starting from 0. Some DBMS may
-     *      not return any columns when the result set does not contain any
-     *      rows.
-     * @access private
-     */
-    function _getColumnNames()
-    {
-        $columns = array();
-        $numcols = $this->numCols();
-        if (PEAR::isError($numcols)) {
-            return $numcols;
-        }
-        for ($column = 0; $column < $numcols; $column++) {
-            $column_info = @ibase_field_info($this->result, $column);
-            $columns[$column_info['alias']] = $column;
-        }
-        if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
-            $columns = array_change_key_case($columns, $this->db->options['field_case']);
-        }
-        return $columns;
-    }
-
-    // }}}
-    // {{{ numCols()
-
-    /**
-     * Count the number of columns returned by the DBMS in a query result.
-     *
-     * @return mixed integer value with the number of columns, a MDB2 error
-     *      on failure
-     * @access public
-     */
-    function numCols()
-    {
-        if ($this->result === true) {
-            //query successfully executed, but without results...
-            return 0;
-        }
-
-        if (!is_resource($this->result)) {
-            return $this->db->raiseError('numCols(): not a valid ibase resource');
-        }
-        $cols = @ibase_num_fields($this->result);
-        if (is_null($cols)) {
-            if (is_null($this->result)) {
-                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
-                    'numCols: resultset has already been freed');
-            }
-            return $this->db->raiseError();
-        }
-        return $cols;
-    }
-
-    // }}}
-    // {{{ free()
-
-    /**
-     * Free the internal resources associated with $result.
-     *
-     * @return boolean true on success, false if $result is invalid
-     * @access public
-     */
-    function free()
-    {
-        if (is_resource($this->result)) {
-            $free = @ibase_free_result($this->result);
-            if (!$free) {
-                if (is_null($this->result)) {
-                    return MDB2_OK;
-                }
-                return $this->db->raiseError();
-            }
-        }
-        $this->result = null;
-        return MDB2_OK;
-    }
-
-    // }}}
-}
-
-class MDB2_BufferedResult_ibase extends MDB2_Result_ibase
-{
-    // {{{ class vars
-
-    var $buffer;
-    var $buffer_rownum = - 1;
-
-    // }}}
-    // {{{ _fillBuffer()
-
-    /**
-     * Fill the row buffer
-     *
-     * @param int $rownum   row number upto which the buffer should be filled
-     *                      if the row number is null all rows are ready into the buffer
-     * @return boolean true on success, false on failure
-     * @access protected
-     */
-    function _fillBuffer($rownum = null)
-    {
-        if (isset($this->buffer) && is_array($this->buffer)) {
-            if (is_null($rownum)) {
-                if (!end($this->buffer)) {
-                    return false;
-                }
-            } elseif (isset($this->buffer[$rownum])) {
-                return (bool) $this->buffer[$rownum];
-            }
-        }
-
-        if (!$this->_skipLimitOffset()) {
-            return false;
-        }
-
-        $buffer = true;
-        while ((is_null($rownum) || $this->buffer_rownum < $rownum)
-            && (!$this->limit || $this->buffer_rownum < $this->limit)
-            && ($buffer = @ibase_fetch_row($this->result))
-        ) {
-            ++$this->buffer_rownum;
-            $this->buffer[$this->buffer_rownum] = $buffer;
-        }
-
-        if (!$buffer) {
-            ++$this->buffer_rownum;
-            $this->buffer[$this->buffer_rownum] = false;
-            return false;
-        } elseif ($this->limit && $this->buffer_rownum >= $this->limit) {
-            ++$this->buffer_rownum;
-            $this->buffer[$this->buffer_rownum] = false;
-        }
-        return true;
-    }
-
-    // }}}
-    // {{{ fetchRow()
-
-    /**
-     * Fetch a row and insert the data into an existing array.
-     *
-     * @param int       $fetchmode  how the array data should be indexed
-     * @param int    $rownum    number of the row where the data can be found
-     * @return int data array on success, a MDB2 error on failure
-     * @access public
-     */
-    function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
-    {
-        if ($this->result === true) {
-            //query successfully executed, but without results...
-            $null = null;
-            return $null;
-        }
-        if (is_null($this->result)) {
-            $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
-                'fetchRow: resultset has already been freed');
-            return $err;
-        }
-        if (!is_null($rownum)) {
-            $seek = $this->seek($rownum);
-            if (PEAR::isError($seek)) {
-                return $seek;
-            }
-        }
-        $target_rownum = $this->rownum + 1;
-        if ($fetchmode == MDB2_FETCHMODE_DEFAULT) {
-            $fetchmode = $this->db->fetchmode;
-        }
-        if (!$this->_fillBuffer($target_rownum)) {
-            $null = null;
-            return $null;
-        }
-        $row = $this->buffer[$target_rownum];
-        if ($fetchmode & MDB2_FETCHMODE_ASSOC) {
-            $column_names = $this->getColumnNames();
-            foreach ($column_names as $name => $i) {
-                $column_names[$name] = $row[$i];
-            }
-            $row = $column_names;
-        }
-        if (($mode = ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM)
-            + ($this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL))
-        ) {
-            $this->db->_fixResultArrayValues($row, $mode);
-        }
-        if (!empty($this->values)) {
-            $this->_assignBindColumns($row);
-        }
-        if (!empty($this->types)) {
-            $row = $this->db->datatype->convertResultRow($this->types, $row);
-        }
-        if ($fetchmode === MDB2_FETCHMODE_OBJECT) {
-            $object_class = $this->db->options['fetch_class'];
-            if ($object_class == 'stdClass') {
-                $row = (object) $row;
-            } else {
-                $row = &new $object_class($row);
-            }
-        }
-        ++$this->rownum;
-        return $row;
-    }
-
-    // }}}
-    // {{{ seek()
-
-    /**
-     * seek to a specific row in a result set
-     *
-     * @param int    $rownum    number of the row where the data can be found
-     * @return mixed MDB2_OK on success, a MDB2 error on failure
-     * @access public
-     */
-    function seek($rownum = 0)
-    {
-        if (is_null($this->result)) {
-            return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
-                'seek: resultset has already been freed');
-        }
-        $this->rownum = $rownum - 1;
-        return MDB2_OK;
-    }
-
-    // }}}
-    // {{{ valid()
-
-    /**
-     * check if the end of the result set has been reached
-     *
-     * @return mixed true or false on sucess, a MDB2 error on failure
-     * @access public
-     */
-    function valid()
-    {
-        if (is_null($this->result)) {
-            return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
-                'valid: resultset has already been freed');
-        }
-        if ($this->_fillBuffer($this->rownum + 1)) {
-            return true;
-        }
-        return false;
-    }
-
-    // }}}
-    // {{{ numRows()
-
-    /**
-     * returns the number of rows in a result object
-     *
-     * @return mixed MDB2 Error Object or the number of rows
-     * @access public
-     */
-    function numRows()
-    {
-        if (is_null($this->result)) {
-            return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
-                'seek: resultset has already been freed');
-        }
-        $this->_fillBuffer();
-        return $this->buffer_rownum;
-    }
-
-    // }}}
-    // {{{ free()
-
-    /**
-     * Free the internal resources associated with $result.
-     *
-     * @return boolean true on success, false if $result is invalid
-     * @access public
-     */
-    function free()
-    {
-        $this->buffer = null;
-        $this->buffer_rownum = null;
-        $free = parent::free();
-    }
-
-    // }}}
-}
-
-class MDB2_Statement_ibase extends MDB2_Statement_Common
-{
-    // {{{ _execute()
-
-    /**
-     * Execute a prepared query statement helper method.
-     *
-     * @param mixed $result_class string which specifies which result class to use
-     * @param mixed $result_wrap_class string which specifies which class to wrap results in
-     * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure
-     * @access private
-     */
-    function &_execute($result_class = true, $result_wrap_class = false)
-    {
-        $isManip = MDB2::isManip($this->query);
-        $this->db->last_query = $this->query;
-        $this->db->debug($this->query, 'execute');
-        if ($this->db->getOption('disable_query')) {
-            if ($isManip) {
-                $return = 0;
-                return $return;
-            }
-            $null = null;
-            return $null;
-        }
-
-        $connected = $this->db->connect();
-        if (PEAR::isError($connected)) {
-            return $connected;
-        }
-        $connection = $this->db->in_transaction
-            ? $this->db->transaction_id : $this->db->connection;
-
-        $parameters = array(0 => $this->statement);
-        $i = 0;
-        foreach ($this->values as $parameter => $value) {
-            $type = array_key_exists($parameter, $this->types) ? $this->types[$parameter] : null;
-            $parameters[] = $this->db->quote($value, $type, false);
-            ++$i;
-        }
-
-        $result = call_user_func_array('ibase_execute', $parameters);
-        if ($result === false) {
-            $err =& $this->db->raiseError();
-            return $err;
-        }
-
-        if ($isManip) {
-            $affected_rows = (function_exists('ibase_affected_rows') ? ibase_affected_rows($connection) : 0);
-            return $affected_rows;
-        }
-
-        $result =& $this->db->_wrapResult($result, $this->types,
-            $result_class, $result_wrap_class, $this->row_limit, $this->row_offset);
-        return $result;
-    }
-
-    // }}}
-
-    // }}}
-    // {{{ free()
-
-    /**
-     * Release resources allocated for the specified prepared query.
-     *
-     * @return mixed MDB2_OK on success, a MDB2 error on failure
-     * @access public
-     */
-    function free()
-    {
-        if (!@ibase_free_query($this->statement)) {
-            return $this->db->raiseError();
-        }
-        return MDB2_OK;
-    }
-}
-?>
\ No newline at end of file