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authorthomascube <thomas@roundcube.net>2006-05-18 17:49:20 +0000
committerthomascube <thomas@roundcube.net>2006-05-18 17:49:20 +0000
commit4aaddb32e1bd1a7833478f1fd4194507dba2c924 (patch)
treec15cb8f865c862e7f7686262b8c4ba76a507043f /program/lib/MDB2/Driver/ibase.php
parentaadfa1f1dc38fdac3b57c623bcf8e2210189a5c8 (diff)
Removed MDB2 classes; install seperately
Diffstat (limited to 'program/lib/MDB2/Driver/ibase.php')
-rwxr-xr-xprogram/lib/MDB2/Driver/ibase.php1115
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