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mirror of https://github.com/phpbb/phpbb.git synced 2025-08-06 16:56:44 +02:00

Copy 3.0.x branch to trunk

git-svn-id: file:///svn/phpbb/trunk@10211 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Meik Sievertsen
2009-10-04 18:14:59 +00:00
parent bf8ac19eaa
commit 2e17e448de
992 changed files with 245793 additions and 0 deletions

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phpBB/includes/db/dbal.php Normal file
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<?php
/**
*
* @package dbal
* @version $Id$
* @copyright (c) 2005 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
/**
* Database Abstraction Layer
* @package dbal
*/
class dbal
{
var $db_connect_id;
var $query_result;
var $return_on_error = false;
var $transaction = false;
var $sql_time = 0;
var $num_queries = array();
var $open_queries = array();
var $curtime = 0;
var $query_hold = '';
var $html_hold = '';
var $sql_report = '';
var $persistency = false;
var $user = '';
var $server = '';
var $dbname = '';
// Set to true if error triggered
var $sql_error_triggered = false;
// Holding the last sql query on sql error
var $sql_error_sql = '';
// Holding the error information - only populated if sql_error_triggered is set
var $sql_error_returned = array();
// Holding transaction count
var $transactions = 0;
// Supports multi inserts?
var $multi_insert = false;
/**
* Current sql layer
*/
var $sql_layer = '';
/**
* Wildcards for matching any (%) or exactly one (_) character within LIKE expressions
*/
var $any_char;
var $one_char;
/**
* Exact version of the DBAL, directly queried
*/
var $sql_server_version = false;
/**
* Constructor
*/
function dbal()
{
$this->num_queries = array(
'cached' => 0,
'normal' => 0,
'total' => 0,
);
// Fill default sql layer based on the class being called.
// This can be changed by the specified layer itself later if needed.
$this->sql_layer = substr(get_class($this), 5);
// Do not change this please! This variable is used to easy the use of it - and is hardcoded.
$this->any_char = chr(0) . '%';
$this->one_char = chr(0) . '_';
}
/**
* return on error or display error message
*/
function sql_return_on_error($fail = false)
{
$this->sql_error_triggered = false;
$this->sql_error_sql = '';
$this->return_on_error = $fail;
}
/**
* Return number of sql queries and cached sql queries used
*/
function sql_num_queries($cached = false)
{
return ($cached) ? $this->num_queries['cached'] : $this->num_queries['normal'];
}
/**
* Add to query count
*/
function sql_add_num_queries($cached = false)
{
$this->num_queries['cached'] += ($cached !== false) ? 1 : 0;
$this->num_queries['normal'] += ($cached !== false) ? 0 : 1;
$this->num_queries['total'] += 1;
}
/**
* DBAL garbage collection, close sql connection
*/
function sql_close()
{
if (!$this->db_connect_id)
{
return false;
}
if ($this->transaction)
{
do
{
$this->sql_transaction('commit');
}
while ($this->transaction);
}
foreach ($this->open_queries as $query_id)
{
$this->sql_freeresult($query_id);
}
// Connection closed correctly. Set db_connect_id to false to prevent errors
if ($result = $this->_sql_close())
{
$this->db_connect_id = false;
}
return $result;
}
/**
* Build LIMIT query
* Doing some validation here.
*/
function sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0)
{
if (empty($query))
{
return false;
}
// Never use a negative total or offset
$total = ($total < 0) ? 0 : $total;
$offset = ($offset < 0) ? 0 : $offset;
return $this->_sql_query_limit($query, $total, $offset, $cache_ttl);
}
/**
* Fetch all rows
*/
function sql_fetchrowset($query_id = false)
{
if ($query_id === false)
{
$query_id = $this->query_result;
}
if ($query_id !== false)
{
$result = array();
while ($row = $this->sql_fetchrow($query_id))
{
$result[] = $row;
}
return $result;
}
return false;
}
/**
* Fetch field
* if rownum is false, the current row is used, else it is pointing to the row (zero-based)
*/
function sql_fetchfield($field, $rownum = false, $query_id = false)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if ($query_id !== false)
{
if ($rownum !== false)
{
$this->sql_rowseek($rownum, $query_id);
}
if (!is_object($query_id) && isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_fetchfield($query_id, $field);
}
$row = $this->sql_fetchrow($query_id);
return (isset($row[$field])) ? $row[$field] : false;
}
return false;
}
/**
* Correctly adjust LIKE expression for special characters
* Some DBMS are handling them in a different way
*
* @param string $expression The expression to use. Every wildcard is escaped, except $this->any_char and $this->one_char
* @return string LIKE expression including the keyword!
*/
function sql_like_expression($expression)
{
$expression = utf8_str_replace(array('_', '%'), array("\_", "\%"), $expression);
$expression = utf8_str_replace(array(chr(0) . "\_", chr(0) . "\%"), array('_', '%'), $expression);
return $this->_sql_like_expression('LIKE \'' . $this->sql_escape($expression) . '\'');
}
/**
* SQL Transaction
* @access private
*/
function sql_transaction($status = 'begin')
{
switch ($status)
{
case 'begin':
// If we are within a transaction we will not open another one, but enclose the current one to not loose data (prevening auto commit)
if ($this->transaction)
{
$this->transactions++;
return true;
}
$result = $this->_sql_transaction('begin');
if (!$result)
{
$this->sql_error();
}
$this->transaction = true;
break;
case 'commit':
// If there was a previously opened transaction we do not commit yet... but count back the number of inner transactions
if ($this->transaction && $this->transactions)
{
$this->transactions--;
return true;
}
// Check if there is a transaction (no transaction can happen if there was an error, with a combined rollback and error returning enabled)
// This implies we have transaction always set for autocommit db's
if (!$this->transaction)
{
return false;
}
$result = $this->_sql_transaction('commit');
if (!$result)
{
$this->sql_error();
}
$this->transaction = false;
$this->transactions = 0;
break;
case 'rollback':
$result = $this->_sql_transaction('rollback');
$this->transaction = false;
$this->transactions = 0;
break;
default:
$result = $this->_sql_transaction($status);
break;
}
return $result;
}
/**
* Build sql statement from array for insert/update/select statements
*
* Idea for this from Ikonboard
* Possible query values: INSERT, INSERT_SELECT, UPDATE, SELECT
*
*/
function sql_build_array($query, $assoc_ary = false)
{
if (!is_array($assoc_ary))
{
return false;
}
$fields = $values = array();
if ($query == 'INSERT' || $query == 'INSERT_SELECT')
{
foreach ($assoc_ary as $key => $var)
{
$fields[] = $key;
if (is_array($var) && is_string($var[0]))
{
// This is used for INSERT_SELECT(s)
$values[] = $var[0];
}
else
{
$values[] = $this->_sql_validate_value($var);
}
}
$query = ($query == 'INSERT') ? ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')' : ' (' . implode(', ', $fields) . ') SELECT ' . implode(', ', $values) . ' ';
}
else if ($query == 'MULTI_INSERT')
{
trigger_error('The MULTI_INSERT query value is no longer supported. Please use sql_multi_insert() instead.', E_USER_ERROR);
}
else if ($query == 'UPDATE' || $query == 'SELECT')
{
$values = array();
foreach ($assoc_ary as $key => $var)
{
$values[] = "$key = " . $this->_sql_validate_value($var);
}
$query = implode(($query == 'UPDATE') ? ', ' : ' AND ', $values);
}
return $query;
}
/**
* Build IN or NOT IN sql comparison string, uses <> or = on single element
* arrays to improve comparison speed
*
* @access public
* @param string $field name of the sql column that shall be compared
* @param array $array array of values that are allowed (IN) or not allowed (NOT IN)
* @param bool $negate true for NOT IN (), false for IN () (default)
* @param bool $allow_empty_set If true, allow $array to be empty, this function will return 1=1 or 1=0 then. Default to false.
*/
function sql_in_set($field, $array, $negate = false, $allow_empty_set = false)
{
if (!sizeof($array))
{
if (!$allow_empty_set)
{
// Print the backtrace to help identifying the location of the problematic code
$this->sql_error('No values specified for SQL IN comparison');
}
else
{
// NOT IN () actually means everything so use a tautology
if ($negate)
{
return '1=1';
}
// IN () actually means nothing so use a contradiction
else
{
return '1=0';
}
}
}
if (!is_array($array))
{
$array = array($array);
}
if (sizeof($array) == 1)
{
@reset($array);
$var = current($array);
return $field . ($negate ? ' <> ' : ' = ') . $this->_sql_validate_value($var);
}
else
{
return $field . ($negate ? ' NOT IN ' : ' IN ') . '(' . implode(', ', array_map(array($this, '_sql_validate_value'), $array)) . ')';
}
}
/**
* Run binary AND operator on DB column.
* Results in sql statement: "{$column_name} & (1 << {$bit}) {$compare}"
*
* @param string $column_name The column name to use
* @param int $bit The value to use for the AND operator, will be converted to (1 << $bit). Is used by options, using the number schema... 0, 1, 2...29
* @param string $compare Any custom SQL code after the check (for example "= 0")
*/
function sql_bit_and($column_name, $bit, $compare = '')
{
if (method_exists($this, '_sql_bit_and'))
{
return $this->_sql_bit_and($column_name, $bit, $compare);
}
return $column_name . ' & ' . (1 << $bit) . (($compare) ? ' ' . $compare : '');
}
/**
* Run more than one insert statement.
*
* @param string $table table name to run the statements on
* @param array &$sql_ary multi-dimensional array holding the statement data.
*
* @return bool false if no statements were executed.
* @access public
*/
function sql_multi_insert($table, &$sql_ary)
{
if (!sizeof($sql_ary))
{
return false;
}
if ($this->multi_insert)
{
$ary = array();
foreach ($sql_ary as $id => $_sql_ary)
{
// If by accident the sql array is only one-dimensional we build a normal insert statement
if (!is_array($_sql_ary))
{
return $this->sql_query('INSERT INTO ' . $table . ' ' . $this->sql_build_array('INSERT', $sql_ary));
}
$values = array();
foreach ($_sql_ary as $key => $var)
{
$values[] = $this->_sql_validate_value($var);
}
$ary[] = '(' . implode(', ', $values) . ')';
}
return $this->sql_query('INSERT INTO ' . $table . ' ' . ' (' . implode(', ', array_keys($sql_ary[0])) . ') VALUES ' . implode(', ', $ary));
}
else
{
foreach ($sql_ary as $ary)
{
if (!is_array($ary))
{
return false;
}
$result = $this->sql_query('INSERT INTO ' . $table . ' ' . $this->sql_build_array('INSERT', $ary));
if (!$result)
{
return false;
}
}
}
return true;
}
/**
* Function for validating values
* @access private
*/
function _sql_validate_value($var)
{
if (is_null($var))
{
return 'NULL';
}
else if (is_string($var))
{
return "'" . $this->sql_escape($var) . "'";
}
else
{
return (is_bool($var)) ? intval($var) : $var;
}
}
/**
* Build sql statement from array for select and select distinct statements
*
* Possible query values: SELECT, SELECT_DISTINCT
*/
function sql_build_query($query, $array)
{
$sql = '';
switch ($query)
{
case 'SELECT':
case 'SELECT_DISTINCT';
$sql = str_replace('_', ' ', $query) . ' ' . $array['SELECT'] . ' FROM ';
// Build table array. We also build an alias array for later checks.
$table_array = $aliases = array();
$used_multi_alias = false;
foreach ($array['FROM'] as $table_name => $alias)
{
if (is_array($alias))
{
$used_multi_alias = true;
foreach ($alias as $multi_alias)
{
$table_array[] = $table_name . ' ' . $multi_alias;
$aliases[] = $multi_alias;
}
}
else
{
$table_array[] = $table_name . ' ' . $alias;
$aliases[] = $alias;
}
}
// We run the following code to determine if we need to re-order the table array. ;)
// The reason for this is that for multi-aliased tables (two equal tables) in the FROM statement the last table need to match the first comparison.
// DBMS who rely on this: Oracle, PostgreSQL and MSSQL. For all other DBMS it makes absolutely no difference in which order the table is.
if (!empty($array['LEFT_JOIN']) && sizeof($array['FROM']) > 1 && $used_multi_alias !== false)
{
// Take first LEFT JOIN
$join = current($array['LEFT_JOIN']);
// Determine the table used there (even if there are more than one used, we only want to have one
preg_match('/(' . implode('|', $aliases) . ')\.[^\s]+/U', str_replace(array('(', ')', 'AND', 'OR', ' '), '', $join['ON']), $matches);
// If there is a first join match, we need to make sure the table order is correct
if (!empty($matches[1]))
{
$first_join_match = trim($matches[1]);
$table_array = $last = array();
foreach ($array['FROM'] as $table_name => $alias)
{
if (is_array($alias))
{
foreach ($alias as $multi_alias)
{
($multi_alias === $first_join_match) ? $last[] = $table_name . ' ' . $multi_alias : $table_array[] = $table_name . ' ' . $multi_alias;
}
}
else
{
($alias === $first_join_match) ? $last[] = $table_name . ' ' . $alias : $table_array[] = $table_name . ' ' . $alias;
}
}
$table_array = array_merge($table_array, $last);
}
}
$sql .= $this->_sql_custom_build('FROM', implode(', ', $table_array));
if (!empty($array['LEFT_JOIN']))
{
foreach ($array['LEFT_JOIN'] as $join)
{
$sql .= ' LEFT JOIN ' . key($join['FROM']) . ' ' . current($join['FROM']) . ' ON (' . $join['ON'] . ')';
}
}
if (!empty($array['WHERE']))
{
$sql .= ' WHERE ' . $this->_sql_custom_build('WHERE', $array['WHERE']);
}
if (!empty($array['GROUP_BY']))
{
$sql .= ' GROUP BY ' . $array['GROUP_BY'];
}
if (!empty($array['ORDER_BY']))
{
$sql .= ' ORDER BY ' . $array['ORDER_BY'];
}
break;
}
return $sql;
}
/**
* display sql error page
*/
function sql_error($sql = '')
{
global $auth, $user, $config;
// Set var to retrieve errored status
$this->sql_error_triggered = true;
$this->sql_error_sql = $sql;
$this->sql_error_returned = $this->_sql_error();
if (!$this->return_on_error)
{
$message = 'SQL ERROR [ ' . $this->sql_layer . ' ]<br /><br />' . $this->sql_error_returned['message'] . ' [' . $this->sql_error_returned['code'] . ']';
// Show complete SQL error and path to administrators only
// Additionally show complete error on installation or if extended debug mode is enabled
// The DEBUG_EXTRA constant is for development only!
if ((isset($auth) && $auth->acl_get('a_')) || defined('IN_INSTALL') || defined('DEBUG_EXTRA'))
{
// Print out a nice backtrace...
$backtrace = get_backtrace();
$message .= ($sql) ? '<br /><br />SQL<br /><br />' . htmlspecialchars($sql) : '';
$message .= ($backtrace) ? '<br /><br />BACKTRACE<br />' . $backtrace : '';
$message .= '<br />';
}
else
{
// If error occurs in initiating the session we need to use a pre-defined language string
// This could happen if the connection could not be established for example (then we are not able to grab the default language)
if (!isset($user->lang['SQL_ERROR_OCCURRED']))
{
$message .= '<br /><br />An sql error occurred while fetching this page. Please contact an administrator if this problem persists.';
}
else
{
if (!empty($config['board_contact']))
{
$message .= '<br /><br />' . sprintf($user->lang['SQL_ERROR_OCCURRED'], '<a href="mailto:' . htmlspecialchars($config['board_contact']) . '">', '</a>');
}
else
{
$message .= '<br /><br />' . sprintf($user->lang['SQL_ERROR_OCCURRED'], '', '');
}
}
}
if ($this->transaction)
{
$this->sql_transaction('rollback');
}
if (strlen($message) > 1024)
{
// We need to define $msg_long_text here to circumvent text stripping.
global $msg_long_text;
$msg_long_text = $message;
trigger_error(false, E_USER_ERROR);
}
trigger_error($message, E_USER_ERROR);
}
if ($this->transaction)
{
$this->sql_transaction('rollback');
}
return $this->sql_error_returned;
}
/**
* Explain queries
*/
function sql_report($mode, $query = '')
{
global $cache, $starttime, $phpbb_root_path, $user;
if (empty($_REQUEST['explain']))
{
return false;
}
if (!$query && $this->query_hold != '')
{
$query = $this->query_hold;
}
switch ($mode)
{
case 'display':
if (!empty($cache))
{
$cache->unload();
}
$this->sql_close();
$mtime = explode(' ', microtime());
$totaltime = $mtime[0] + $mtime[1] - $starttime;
echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" dir="ltr">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<meta http-equiv="Content-Style-Type" content="text/css" />
<meta http-equiv="imagetoolbar" content="no" />
<title>SQL Report</title>
<link href="' . $phpbb_root_path . 'adm/style/admin.css" rel="stylesheet" type="text/css" media="screen" />
</head>
<body id="errorpage">
<div id="wrap">
<div id="page-header">
<a href="' . build_url('explain') . '">Return to previous page</a>
</div>
<div id="page-body">
<div id="acp">
<div class="panel">
<span class="corners-top"><span></span></span>
<div id="content">
<h1>SQL Report</h1>
<br />
<p><b>Page generated in ' . round($totaltime, 4) . " seconds with {$this->num_queries['normal']} queries" . (($this->num_queries['cached']) ? " + {$this->num_queries['cached']} " . (($this->num_queries['cached'] == 1) ? 'query' : 'queries') . ' returning data from cache' : '') . '</b></p>
<p>Time spent on ' . $this->sql_layer . ' queries: <b>' . round($this->sql_time, 5) . 's</b> | Time spent on PHP: <b>' . round($totaltime - $this->sql_time, 5) . 's</b></p>
<br /><br />
' . $this->sql_report . '
</div>
<span class="corners-bottom"><span></span></span>
</div>
</div>
</div>
<div id="page-footer">
Powered by phpBB &copy; 2000, 2002, 2005, 2007 <a href="http://www.phpbb.com/">phpBB Group</a>
</div>
</div>
</body>
</html>';
exit_handler();
break;
case 'stop':
$endtime = explode(' ', microtime());
$endtime = $endtime[0] + $endtime[1];
$this->sql_report .= '
<table cellspacing="1">
<thead>
<tr>
<th>Query #' . $this->num_queries['total'] . '</th>
</tr>
</thead>
<tbody>
<tr>
<td class="row3"><textarea style="font-family:\'Courier New\',monospace;width:99%" rows="5" cols="10">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td>
</tr>
</tbody>
</table>
' . $this->html_hold . '
<p style="text-align: center;">
';
if ($this->query_result)
{
if (preg_match('/^(UPDATE|DELETE|REPLACE)/', $query))
{
$this->sql_report .= 'Affected rows: <b>' . $this->sql_affectedrows($this->query_result) . '</b> | ';
}
$this->sql_report .= 'Before: ' . sprintf('%.5f', $this->curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed: <b>' . sprintf('%.5f', $endtime - $this->curtime) . 's</b>';
}
else
{
$error = $this->sql_error();
$this->sql_report .= '<b style="color: red">FAILED</b> - ' . $this->sql_layer . ' Error ' . $error['code'] . ': ' . htmlspecialchars($error['message']);
}
$this->sql_report .= '</p><br /><br />';
$this->sql_time += $endtime - $this->curtime;
break;
case 'start':
$this->query_hold = $query;
$this->html_hold = '';
$this->_sql_report($mode, $query);
$this->curtime = explode(' ', microtime());
$this->curtime = $this->curtime[0] + $this->curtime[1];
break;
case 'add_select_row':
$html_table = func_get_arg(2);
$row = func_get_arg(3);
if (!$html_table && sizeof($row))
{
$html_table = true;
$this->html_hold .= '<table cellspacing="1"><tr>';
foreach (array_keys($row) as $val)
{
$this->html_hold .= '<th>' . (($val) ? ucwords(str_replace('_', ' ', $val)) : '&nbsp;') . '</th>';
}
$this->html_hold .= '</tr>';
}
$this->html_hold .= '<tr>';
$class = 'row1';
foreach (array_values($row) as $val)
{
$class = ($class == 'row1') ? 'row2' : 'row1';
$this->html_hold .= '<td class="' . $class . '">' . (($val) ? $val : '&nbsp;') . '</td>';
}
$this->html_hold .= '</tr>';
return $html_table;
break;
case 'fromcache':
$this->_sql_report($mode, $query);
break;
case 'record_fromcache':
$endtime = func_get_arg(2);
$splittime = func_get_arg(3);
$time_cache = $endtime - $this->curtime;
$time_db = $splittime - $endtime;
$color = ($time_db > $time_cache) ? 'green' : 'red';
$this->sql_report .= '<table cellspacing="1"><thead><tr><th>Query results obtained from the cache</th></tr></thead><tbody><tr>';
$this->sql_report .= '<td class="row3"><textarea style="font-family:\'Courier New\',monospace;width:99%" rows="5" cols="10">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></tbody></table>';
$this->sql_report .= '<p style="text-align: center;">';
$this->sql_report .= 'Before: ' . sprintf('%.5f', $this->curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed [cache]: <b style="color: ' . $color . '">' . sprintf('%.5f', ($time_cache)) . 's</b> | Elapsed [db]: <b>' . sprintf('%.5f', $time_db) . 's</b></p><br /><br />';
// Pad the start time to not interfere with page timing
$starttime += $time_db;
break;
default:
$this->_sql_report($mode, $query);
break;
}
return true;
}
}
/**
* This variable holds the class name to use later
*/
$sql_db = (!empty($dbms)) ? 'dbal_' . basename($dbms) : 'dbal';
?>

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<?php
/**
*
* @package dbal
* @version $Id$
* @copyright (c) 2005 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
include_once($phpbb_root_path . 'includes/db/dbal.' . $phpEx);
/**
* Firebird/Interbase Database Abstraction Layer
* Minimum Requirement is Firebird 2.1
* @package dbal
*/
class dbal_firebird extends dbal
{
var $last_query_text = '';
var $service_handle = false;
var $affected_rows = 0;
/**
* Connect to server
*/
function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false, $new_link = false)
{
$this->persistency = $persistency;
$this->user = $sqluser;
$this->server = $sqlserver . (($port) ? ':' . $port : '');
$this->dbname = str_replace('\\', '/', $database);
// There are three possibilities to connect to an interbase db
if (!$this->server)
{
$use_database = $this->dbname;
}
else if (strpos($this->server, '//') === 0)
{
$use_database = $this->server . $this->dbname;
}
else
{
$use_database = $this->server . ':' . $this->dbname;
}
$this->db_connect_id = ($this->persistency) ? @ibase_pconnect($use_database, $this->user, $sqlpassword, false, false, 3) : @ibase_connect($use_database, $this->user, $sqlpassword, false, false, 3);
$this->service_handle = (function_exists('ibase_service_attach') && $this->server) ? @ibase_service_attach($this->server, $this->user, $sqlpassword) : false;
return ($this->db_connect_id) ? $this->db_connect_id : $this->sql_error('');
}
/**
* Version information about used database
* @param bool $raw if true, only return the fetched sql_server_version
* @return string sql server version
*/
function sql_server_info($raw = false)
{
if ($this->service_handle !== false && function_exists('ibase_server_info'))
{
return @ibase_server_info($this->service_handle, IBASE_SVC_SERVER_VERSION);
}
return ($raw) ? '2.1' : 'Firebird/Interbase';
}
/**
* SQL Transaction
* @access private
*/
function _sql_transaction($status = 'begin')
{
switch ($status)
{
case 'begin':
return true;
break;
case 'commit':
return @ibase_commit();
break;
case 'rollback':
return @ibase_rollback();
break;
}
return true;
}
/**
* Base query method
*
* @param string $query Contains the SQL query which shall be executed
* @param int $cache_ttl Either 0 to avoid caching or the time in seconds which the result shall be kept in cache
* @return mixed When casted to bool the returned value returns true on success and false on failure
*
* @access public
*/
function sql_query($query = '', $cache_ttl = 0)
{
if ($query != '')
{
global $cache;
// EXPLAIN only in extra debug mode
if (defined('DEBUG_EXTRA'))
{
$this->sql_report('start', $query);
}
$this->last_query_text = $query;
$this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false;
$this->sql_add_num_queries($this->query_result);
if ($this->query_result === false)
{
$array = array();
// We overcome Firebird's 32767 char limit by binding vars
if (strlen($query) > 32767)
{
if (preg_match('/^(INSERT INTO[^(]++)\\(([^()]+)\\) VALUES[^(]++\\((.*?)\\)$/s', $query, $regs))
{
if (strlen($regs[3]) > 32767)
{
preg_match_all('/\'(?:[^\']++|\'\')*+\'|[\d-.]+/', $regs[3], $vals, PREG_PATTERN_ORDER);
$inserts = $vals[0];
unset($vals);
foreach ($inserts as $key => $value)
{
if (!empty($value) && $value[0] === "'" && strlen($value) > 32769) // check to see if this thing is greater than the max + 'x2
{
$inserts[$key] = '?';
$array[] = str_replace("''", "'", substr($value, 1, -1));
}
}
$query = $regs[1] . '(' . $regs[2] . ') VALUES (' . implode(', ', $inserts) . ')';
}
}
else if (preg_match('/^(UPDATE ([\\w_]++)\\s+SET )([\\w_]++\\s*=\\s*(?:\'(?:[^\']++|\'\')*+\'|\\d+)(?:,\\s*[\\w_]++\\s*=\\s*(?:\'(?:[^\']++|\'\')*+\'|[\d-.]+))*+)\\s+(WHERE.*)$/s', $query, $data))
{
if (strlen($data[3]) > 32767)
{
$update = $data[1];
$where = $data[4];
preg_match_all('/(\\w++)\\s*=\\s*(\'(?:[^\']++|\'\')*+\'|[\d-.]++)/', $data[3], $temp, PREG_SET_ORDER);
unset($data);
$cols = array();
foreach ($temp as $value)
{
if (!empty($value[2]) && $value[2][0] === "'" && strlen($value[2]) > 32769) // check to see if this thing is greater than the max + 'x2
{
$array[] = str_replace("''", "'", substr($value[2], 1, -1));
$cols[] = $value[1] . '=?';
}
else
{
$cols[] = $value[1] . '=' . $value[2];
}
}
$query = $update . implode(', ', $cols) . ' ' . $where;
unset($cols);
}
}
}
if (!function_exists('ibase_affected_rows') && (preg_match('/^UPDATE ([\w_]++)\s+SET [\w_]++\s*=\s*(?:\'(?:[^\']++|\'\')*+\'|[\d-.]+)(?:,\s*[\w_]++\s*=\s*(?:\'(?:[^\']++|\'\')*+\'|[\d-.]+))*+\s+(WHERE.*)?$/s', $query, $regs) || preg_match('/^DELETE FROM ([\w_]++)\s*(WHERE\s*.*)?$/s', $query, $regs)))
{
$affected_sql = 'SELECT COUNT(*) as num_rows_affected FROM ' . $regs[1];
if (!empty($regs[2]))
{
$affected_sql .= ' ' . $regs[2];
}
if (!($temp_q_id = @ibase_query($this->db_connect_id, $affected_sql)))
{
return false;
}
$temp_result = @ibase_fetch_assoc($temp_q_id);
@ibase_free_result($temp_q_id);
$this->affected_rows = ($temp_result) ? $temp_result['NUM_ROWS_AFFECTED'] : false;
}
if (sizeof($array))
{
$p_query = @ibase_prepare($this->db_connect_id, $query);
array_unshift($array, $p_query);
$this->query_result = call_user_func_array('ibase_execute', $array);
unset($array);
if ($this->query_result === false)
{
$this->sql_error($query);
}
}
else if (($this->query_result = @ibase_query($this->db_connect_id, $query)) === false)
{
$this->sql_error($query);
}
if (defined('DEBUG_EXTRA'))
{
$this->sql_report('stop', $query);
}
if (!$this->transaction)
{
if (function_exists('ibase_commit_ret'))
{
@ibase_commit_ret();
}
else
{
// way cooler than ibase_commit_ret :D
@ibase_query('COMMIT RETAIN;');
}
}
if ($cache_ttl && method_exists($cache, 'sql_save'))
{
$this->open_queries[(int) $this->query_result] = $this->query_result;
$cache->sql_save($query, $this->query_result, $cache_ttl);
}
else if (strpos($query, 'SELECT') === 0 && $this->query_result)
{
$this->open_queries[(int) $this->query_result] = $this->query_result;
}
}
else if (defined('DEBUG_EXTRA'))
{
$this->sql_report('fromcache', $query);
}
}
else
{
return false;
}
return $this->query_result;
}
/**
* Build LIMIT query
*/
function _sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0)
{
$this->query_result = false;
$query = 'SELECT FIRST ' . $total . ((!empty($offset)) ? ' SKIP ' . $offset : '') . substr($query, 6);
return $this->sql_query($query, $cache_ttl);
}
/**
* Return number of affected rows
*/
function sql_affectedrows()
{
// PHP 5+ function
if (function_exists('ibase_affected_rows'))
{
return ($this->db_connect_id) ? @ibase_affected_rows($this->db_connect_id) : false;
}
else
{
return $this->affected_rows;
}
}
/**
* Fetch current row
*/
function sql_fetchrow($query_id = false)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_fetchrow($query_id);
}
if ($query_id === false)
{
return false;
}
$row = array();
$cur_row = @ibase_fetch_object($query_id, IBASE_TEXT);
if (!$cur_row)
{
return false;
}
foreach (get_object_vars($cur_row) as $key => $value)
{
$row[strtolower($key)] = (is_string($value)) ? trim(str_replace(array("\\0", "\\n"), array("\0", "\n"), $value)) : $value;
}
return (sizeof($row)) ? $row : false;
}
/**
* Seek to given row number
* rownum is zero-based
*/
function sql_rowseek($rownum, &$query_id)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_rowseek($rownum, $query_id);
}
if ($query_id === false)
{
return;
}
$this->sql_freeresult($query_id);
$query_id = $this->sql_query($this->last_query_text);
if ($query_id === false)
{
return false;
}
// We do not fetch the row for rownum == 0 because then the next resultset would be the second row
for ($i = 0; $i < $rownum; $i++)
{
if (!$this->sql_fetchrow($query_id))
{
return false;
}
}
return true;
}
/**
* Get last inserted id after insert statement
*/
function sql_nextid()
{
$query_id = $this->query_result;
if ($query_id !== false && $this->last_query_text != '')
{
if ($this->query_result && preg_match('#^INSERT[\t\n ]+INTO[\t\n ]+([a-z0-9\_\-]+)#i', $this->last_query_text, $tablename))
{
$sql = 'SELECT GEN_ID(' . $tablename[1] . '_gen, 0) AS new_id FROM RDB$DATABASE';
if (!($temp_q_id = @ibase_query($this->db_connect_id, $sql)))
{
return false;
}
$temp_result = @ibase_fetch_assoc($temp_q_id);
@ibase_free_result($temp_q_id);
return ($temp_result) ? $temp_result['NEW_ID'] : false;
}
}
return false;
}
/**
* Free sql result
*/
function sql_freeresult($query_id = false)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_freeresult($query_id);
}
if (isset($this->open_queries[(int) $query_id]))
{
unset($this->open_queries[(int) $query_id]);
return @ibase_free_result($query_id);
}
return false;
}
/**
* Escape string used in sql query
*/
function sql_escape($msg)
{
return str_replace(array("'", "\0"), array("''", ''), $msg);
}
/**
* Build LIKE expression
* @access private
*/
function _sql_like_expression($expression)
{
return $expression . " ESCAPE '\\'";
}
/**
* Build db-specific query data
* @access private
*/
function _sql_custom_build($stage, $data)
{
return $data;
}
function _sql_bit_and($column_name, $bit, $compare = '')
{
return 'BIN_AND(' . $column_name . ', ' . (1 << $bit) . ')' . (($compare) ? ' ' . $compare : '');
}
/**
* return sql error array
* @access private
*/
function _sql_error()
{
return array(
'message' => @ibase_errmsg(),
'code' => (@function_exists('ibase_errcode') ? @ibase_errcode() : '')
);
}
/**
* Close sql connection
* @access private
*/
function _sql_close()
{
if ($this->service_handle !== false)
{
@ibase_service_detach($this->service_handle);
}
return @ibase_close($this->db_connect_id);
}
/**
* Build db-specific report
* @access private
*/
function _sql_report($mode, $query = '')
{
switch ($mode)
{
case 'start':
break;
case 'fromcache':
$endtime = explode(' ', microtime());
$endtime = $endtime[0] + $endtime[1];
$result = @ibase_query($this->db_connect_id, $query);
while ($void = @ibase_fetch_object($result, IBASE_TEXT))
{
// Take the time spent on parsing rows into account
}
@ibase_free_result($result);
$splittime = explode(' ', microtime());
$splittime = $splittime[0] + $splittime[1];
$this->sql_report('record_fromcache', $query, $endtime, $splittime);
break;
}
}
}
?>

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<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>
<body bgcolor="#FFFFFF" text="#000000">
</body>
</html>

449
phpBB/includes/db/mssql.php Normal file
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<?php
/**
*
* @package dbal
* @version $Id$
* @copyright (c) 2005 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
include_once($phpbb_root_path . 'includes/db/dbal.' . $phpEx);
/**
* MSSQL Database Abstraction Layer
* Minimum Requirement is MSSQL 2000+
* @package dbal
*/
class dbal_mssql extends dbal
{
/**
* Connect to server
*/
function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false, $new_link = false)
{
$this->persistency = $persistency;
$this->user = $sqluser;
$this->dbname = $database;
$port_delimiter = (defined('PHP_OS') && substr(PHP_OS, 0, 3) === 'WIN') ? ',' : ':';
$this->server = $sqlserver . (($port) ? $port_delimiter . $port : '');
@ini_set('mssql.charset', 'UTF-8');
@ini_set('mssql.textlimit', 2147483647);
@ini_set('mssql.textsize', 2147483647);
if (version_compare(PHP_VERSION, '5.1.0', '>=') || (version_compare(PHP_VERSION, '5.0.0-dev', '<=') && version_compare(PHP_VERSION, '4.4.1', '>=')))
{
$this->db_connect_id = ($this->persistency) ? @mssql_pconnect($this->server, $this->user, $sqlpassword, $new_link) : @mssql_connect($this->server, $this->user, $sqlpassword, $new_link);
}
else
{
$this->db_connect_id = ($this->persistency) ? @mssql_pconnect($this->server, $this->user, $sqlpassword) : @mssql_connect($this->server, $this->user, $sqlpassword);
}
if ($this->db_connect_id && $this->dbname != '')
{
if (!@mssql_select_db($this->dbname, $this->db_connect_id))
{
@mssql_close($this->db_connect_id);
return false;
}
}
return ($this->db_connect_id) ? $this->db_connect_id : $this->sql_error('');
}
/**
* Version information about used database
* @param bool $raw if true, only return the fetched sql_server_version
* @return string sql server version
*/
function sql_server_info($raw = false)
{
global $cache;
if (empty($cache) || ($this->sql_server_version = $cache->get('mssql_version')) === false)
{
$result_id = @mssql_query("SELECT SERVERPROPERTY('productversion'), SERVERPROPERTY('productlevel'), SERVERPROPERTY('edition')", $this->db_connect_id);
$row = false;
if ($result_id)
{
$row = @mssql_fetch_assoc($result_id);
@mssql_free_result($result_id);
}
$this->sql_server_version = ($row) ? trim(implode(' ', $row)) : 0;
if (!empty($cache))
{
$cache->put('mssql_version', $this->sql_server_version);
}
}
if ($raw)
{
return $this->sql_server_version;
}
return ($this->sql_server_version) ? 'MSSQL<br />' . $this->sql_server_version : 'MSSQL';
}
/**
* SQL Transaction
* @access private
*/
function _sql_transaction($status = 'begin')
{
switch ($status)
{
case 'begin':
return @mssql_query('BEGIN TRANSACTION', $this->db_connect_id);
break;
case 'commit':
return @mssql_query('COMMIT TRANSACTION', $this->db_connect_id);
break;
case 'rollback':
return @mssql_query('ROLLBACK TRANSACTION', $this->db_connect_id);
break;
}
return true;
}
/**
* Base query method
*
* @param string $query Contains the SQL query which shall be executed
* @param int $cache_ttl Either 0 to avoid caching or the time in seconds which the result shall be kept in cache
* @return mixed When casted to bool the returned value returns true on success and false on failure
*
* @access public
*/
function sql_query($query = '', $cache_ttl = 0)
{
if ($query != '')
{
global $cache;
// EXPLAIN only in extra debug mode
if (defined('DEBUG_EXTRA'))
{
$this->sql_report('start', $query);
}
$this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false;
$this->sql_add_num_queries($this->query_result);
if ($this->query_result === false)
{
if (($this->query_result = @mssql_query($query, $this->db_connect_id)) === false)
{
$this->sql_error($query);
}
if (defined('DEBUG_EXTRA'))
{
$this->sql_report('stop', $query);
}
if ($cache_ttl && method_exists($cache, 'sql_save'))
{
$this->open_queries[(int) $this->query_result] = $this->query_result;
$cache->sql_save($query, $this->query_result, $cache_ttl);
}
else if (strpos($query, 'SELECT') === 0 && $this->query_result)
{
$this->open_queries[(int) $this->query_result] = $this->query_result;
}
}
else if (defined('DEBUG_EXTRA'))
{
$this->sql_report('fromcache', $query);
}
}
else
{
return false;
}
return $this->query_result;
}
/**
* Build LIMIT query
*/
function _sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0)
{
$this->query_result = false;
// Since TOP is only returning a set number of rows we won't need it if total is set to 0 (return all rows)
if ($total)
{
// We need to grab the total number of rows + the offset number of rows to get the correct result
if (strpos($query, 'SELECT DISTINCT') === 0)
{
$query = 'SELECT DISTINCT TOP ' . ($total + $offset) . ' ' . substr($query, 15);
}
else
{
$query = 'SELECT TOP ' . ($total + $offset) . ' ' . substr($query, 6);
}
}
$result = $this->sql_query($query, $cache_ttl);
// Seek by $offset rows
if ($offset)
{
$this->sql_rowseek($offset, $result);
}
return $result;
}
/**
* Return number of affected rows
*/
function sql_affectedrows()
{
return ($this->db_connect_id) ? @mssql_rows_affected($this->db_connect_id) : false;
}
/**
* Fetch current row
*/
function sql_fetchrow($query_id = false)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_fetchrow($query_id);
}
if ($query_id === false)
{
return false;
}
$row = @mssql_fetch_assoc($query_id);
// I hope i am able to remove this later... hopefully only a PHP or MSSQL bug
if ($row)
{
foreach ($row as $key => $value)
{
$row[$key] = ($value === ' ' || $value === NULL) ? '' : $value;
}
}
return $row;
}
/**
* Seek to given row number
* rownum is zero-based
*/
function sql_rowseek($rownum, &$query_id)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_rowseek($rownum, $query_id);
}
return ($query_id !== false) ? @mssql_data_seek($query_id, $rownum) : false;
}
/**
* Get last inserted id after insert statement
*/
function sql_nextid()
{
$result_id = @mssql_query('SELECT SCOPE_IDENTITY()', $this->db_connect_id);
if ($result_id)
{
if ($row = @mssql_fetch_assoc($result_id))
{
@mssql_free_result($result_id);
return $row['computed'];
}
@mssql_free_result($result_id);
}
return false;
}
/**
* Free sql result
*/
function sql_freeresult($query_id = false)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_freeresult($query_id);
}
if (isset($this->open_queries[$query_id]))
{
unset($this->open_queries[$query_id]);
return @mssql_free_result($query_id);
}
return false;
}
/**
* Escape string used in sql query
*/
function sql_escape($msg)
{
return str_replace(array("'", "\0"), array("''", ''), $msg);
}
/**
* Build LIKE expression
* @access private
*/
function _sql_like_expression($expression)
{
return $expression . " ESCAPE '\\'";
}
/**
* return sql error array
* @access private
*/
function _sql_error()
{
$error = array(
'message' => @mssql_get_last_message(),
'code' => ''
);
// Get error code number
$result_id = @mssql_query('SELECT @@ERROR as code', $this->db_connect_id);
if ($result_id)
{
$row = @mssql_fetch_assoc($result_id);
$error['code'] = $row['code'];
@mssql_free_result($result_id);
}
// Get full error message if possible
$sql = 'SELECT CAST(description as varchar(255)) as message
FROM master.dbo.sysmessages
WHERE error = ' . $error['code'];
$result_id = @mssql_query($sql);
if ($result_id)
{
$row = @mssql_fetch_assoc($result_id);
if (!empty($row['message']))
{
$error['message'] .= '<br />' . $row['message'];
}
@mssql_free_result($result_id);
}
return $error;
}
/**
* Build db-specific query data
* @access private
*/
function _sql_custom_build($stage, $data)
{
return $data;
}
/**
* Close sql connection
* @access private
*/
function _sql_close()
{
return @mssql_close($this->db_connect_id);
}
/**
* Build db-specific report
* @access private
*/
function _sql_report($mode, $query = '')
{
switch ($mode)
{
case 'start':
$html_table = false;
@mssql_query('SET SHOWPLAN_TEXT ON;', $this->db_connect_id);
if ($result = @mssql_query($query, $this->db_connect_id))
{
@mssql_next_result($result);
while ($row = @mssql_fetch_row($result))
{
$html_table = $this->sql_report('add_select_row', $query, $html_table, $row);
}
}
@mssql_query('SET SHOWPLAN_TEXT OFF;', $this->db_connect_id);
@mssql_free_result($result);
if ($html_table)
{
$this->html_hold .= '</table>';
}
break;
case 'fromcache':
$endtime = explode(' ', microtime());
$endtime = $endtime[0] + $endtime[1];
$result = @mssql_query($query, $this->db_connect_id);
while ($void = @mssql_fetch_assoc($result))
{
// Take the time spent on parsing rows into account
}
@mssql_free_result($result);
$splittime = explode(' ', microtime());
$splittime = $splittime[0] + $splittime[1];
$this->sql_report('record_fromcache', $query, $endtime, $splittime);
break;
}
}
}
?>

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<?php
/**
*
* @package dbal
* @version $Id$
* @copyright (c) 2005 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
include_once($phpbb_root_path . 'includes/db/dbal.' . $phpEx);
/**
* Unified ODBC functions
* Unified ODBC functions support any database having ODBC driver, for example Adabas D, IBM DB2, iODBC, Solid, Sybase SQL Anywhere...
* Here we only support MSSQL Server 2000+ because of the provided schema
*
* @note number of bytes returned for returning data depends on odbc.defaultlrl php.ini setting.
* If it is limited to 4K for example only 4K of data is returned max, resulting in incomplete theme data for example.
* @note odbc.defaultbinmode may affect UTF8 characters
*
* @package dbal
*/
class dbal_mssql_odbc extends dbal
{
var $last_query_text = '';
/**
* Connect to server
*/
function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false, $new_link = false)
{
$this->persistency = $persistency;
$this->user = $sqluser;
$this->dbname = $database;
$port_delimiter = (defined('PHP_OS') && substr(PHP_OS, 0, 3) === 'WIN') ? ',' : ':';
$this->server = $sqlserver . (($port) ? $port_delimiter . $port : '');
$max_size = @ini_get('odbc.defaultlrl');
if (!empty($max_size))
{
$unit = strtolower(substr($max_size, -1, 1));
$max_size = (int) $max_size;
if ($unit == 'k')
{
$max_size = floor($max_size / 1024);
}
else if ($unit == 'g')
{
$max_size *= 1024;
}
else if (is_numeric($unit))
{
$max_size = floor((int) ($max_size . $unit) / 1048576);
}
$max_size = max(8, $max_size) . 'M';
@ini_set('odbc.defaultlrl', $max_size);
}
$this->db_connect_id = ($this->persistency) ? @odbc_pconnect($this->server, $this->user, $sqlpassword) : @odbc_connect($this->server, $this->user, $sqlpassword);
return ($this->db_connect_id) ? $this->db_connect_id : $this->sql_error('');
}
/**
* Version information about used database
* @param bool $raw if true, only return the fetched sql_server_version
* @return string sql server version
*/
function sql_server_info($raw = false)
{
global $cache;
if (empty($cache) || ($this->sql_server_version = $cache->get('mssqlodbc_version')) === false)
{
$result_id = @odbc_exec($this->db_connect_id, "SELECT SERVERPROPERTY('productversion'), SERVERPROPERTY('productlevel'), SERVERPROPERTY('edition')");
$row = false;
if ($result_id)
{
$row = @odbc_fetch_array($result_id);
@odbc_free_result($result_id);
}
$this->sql_server_version = ($row) ? trim(implode(' ', $row)) : 0;
if (!empty($cache))
{
$cache->put('mssqlodbc_version', $this->sql_server_version);
}
}
if ($raw)
{
return $this->sql_server_version;
}
return ($this->sql_server_version) ? 'MSSQL (ODBC)<br />' . $this->sql_server_version : 'MSSQL (ODBC)';
}
/**
* SQL Transaction
* @access private
*/
function _sql_transaction($status = 'begin')
{
switch ($status)
{
case 'begin':
return @odbc_exec($this->db_connect_id, 'BEGIN TRANSACTION');
break;
case 'commit':
return @odbc_exec($this->db_connect_id, 'COMMIT TRANSACTION');
break;
case 'rollback':
return @odbc_exec($this->db_connect_id, 'ROLLBACK TRANSACTION');
break;
}
return true;
}
/**
* Base query method
*
* @param string $query Contains the SQL query which shall be executed
* @param int $cache_ttl Either 0 to avoid caching or the time in seconds which the result shall be kept in cache
* @return mixed When casted to bool the returned value returns true on success and false on failure
*
* @access public
*/
function sql_query($query = '', $cache_ttl = 0)
{
if ($query != '')
{
global $cache;
// EXPLAIN only in extra debug mode
if (defined('DEBUG_EXTRA'))
{
$this->sql_report('start', $query);
}
$this->last_query_text = $query;
$this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false;
$this->sql_add_num_queries($this->query_result);
if ($this->query_result === false)
{
if (($this->query_result = @odbc_exec($this->db_connect_id, $query)) === false)
{
$this->sql_error($query);
}
if (defined('DEBUG_EXTRA'))
{
$this->sql_report('stop', $query);
}
if ($cache_ttl && method_exists($cache, 'sql_save'))
{
$this->open_queries[(int) $this->query_result] = $this->query_result;
$cache->sql_save($query, $this->query_result, $cache_ttl);
}
else if (strpos($query, 'SELECT') === 0 && $this->query_result)
{
$this->open_queries[(int) $this->query_result] = $this->query_result;
}
}
else if (defined('DEBUG_EXTRA'))
{
$this->sql_report('fromcache', $query);
}
}
else
{
return false;
}
return $this->query_result;
}
/**
* Build LIMIT query
*/
function _sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0)
{
$this->query_result = false;
// Since TOP is only returning a set number of rows we won't need it if total is set to 0 (return all rows)
if ($total)
{
// We need to grab the total number of rows + the offset number of rows to get the correct result
if (strpos($query, 'SELECT DISTINCT') === 0)
{
$query = 'SELECT DISTINCT TOP ' . ($total + $offset) . ' ' . substr($query, 15);
}
else
{
$query = 'SELECT TOP ' . ($total + $offset) . ' ' . substr($query, 6);
}
}
$result = $this->sql_query($query, $cache_ttl);
// Seek by $offset rows
if ($offset)
{
$this->sql_rowseek($offset, $result);
}
return $result;
}
/**
* Return number of affected rows
*/
function sql_affectedrows()
{
return ($this->db_connect_id) ? @odbc_num_rows($this->query_result) : false;
}
/**
* Fetch current row
* @note number of bytes returned depends on odbc.defaultlrl php.ini setting. If it is limited to 4K for example only 4K of data is returned max.
*/
function sql_fetchrow($query_id = false, $debug = false)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_fetchrow($query_id);
}
return ($query_id !== false) ? @odbc_fetch_array($query_id) : false;
}
/**
* Seek to given row number
* rownum is zero-based
*/
function sql_rowseek($rownum, &$query_id)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_rowseek($rownum, $query_id);
}
if ($query_id === false)
{
return false;
}
$this->sql_freeresult($query_id);
$query_id = $this->sql_query($this->last_query_text);
if ($query_id === false)
{
return false;
}
// We do not fetch the row for rownum == 0 because then the next resultset would be the second row
for ($i = 0; $i < $rownum; $i++)
{
if (!$this->sql_fetchrow($query_id))
{
return false;
}
}
return true;
}
/**
* Get last inserted id after insert statement
*/
function sql_nextid()
{
$result_id = @odbc_exec($this->db_connect_id, 'SELECT @@IDENTITY');
if ($result_id)
{
if (@odbc_fetch_array($result_id))
{
$id = @odbc_result($result_id, 1);
@odbc_free_result($result_id);
return $id;
}
@odbc_free_result($result_id);
}
return false;
}
/**
* Free sql result
*/
function sql_freeresult($query_id = false)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_freeresult($query_id);
}
if (isset($this->open_queries[(int) $query_id]))
{
unset($this->open_queries[(int) $query_id]);
return @odbc_free_result($query_id);
}
return false;
}
/**
* Escape string used in sql query
*/
function sql_escape($msg)
{
return str_replace(array("'", "\0"), array("''", ''), $msg);
}
/**
* Build LIKE expression
* @access private
*/
function _sql_like_expression($expression)
{
return $expression . " ESCAPE '\\'";
}
/**
* Build db-specific query data
* @access private
*/
function _sql_custom_build($stage, $data)
{
return $data;
}
/**
* return sql error array
* @access private
*/
function _sql_error()
{
return array(
'message' => @odbc_errormsg(),
'code' => @odbc_error()
);
}
/**
* Close sql connection
* @access private
*/
function _sql_close()
{
return @odbc_close($this->db_connect_id);
}
/**
* Build db-specific report
* @access private
*/
function _sql_report($mode, $query = '')
{
switch ($mode)
{
case 'start':
break;
case 'fromcache':
$endtime = explode(' ', microtime());
$endtime = $endtime[0] + $endtime[1];
$result = @odbc_exec($this->db_connect_id, $query);
while ($void = @odbc_fetch_array($result))
{
// Take the time spent on parsing rows into account
}
@odbc_free_result($result);
$splittime = explode(' ', microtime());
$splittime = $splittime[0] + $splittime[1];
$this->sql_report('record_fromcache', $query, $endtime, $splittime);
break;
}
}
}
?>

491
phpBB/includes/db/mysql.php Normal file
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<?php
/**
*
* @package dbal
* @version $Id$
* @copyright (c) 2005 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
include_once($phpbb_root_path . 'includes/db/dbal.' . $phpEx);
/**
* MySQL4 Database Abstraction Layer
* Compatible with:
* MySQL 3.23+
* MySQL 4.0+
* MySQL 4.1+
* MySQL 5.0+
* @package dbal
*/
class dbal_mysql extends dbal
{
var $multi_insert = true;
/**
* Connect to server
* @access public
*/
function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false, $new_link = false)
{
$this->persistency = $persistency;
$this->user = $sqluser;
$this->server = $sqlserver . (($port) ? ':' . $port : '');
$this->dbname = $database;
$this->sql_layer = 'mysql4';
$this->db_connect_id = ($this->persistency) ? @mysql_pconnect($this->server, $this->user, $sqlpassword, $new_link) : @mysql_connect($this->server, $this->user, $sqlpassword, $new_link);
if ($this->db_connect_id && $this->dbname != '')
{
if (@mysql_select_db($this->dbname, $this->db_connect_id))
{
// Determine what version we are using and if it natively supports UNICODE
if (version_compare($this->sql_server_info(true), '4.1.0', '>='))
{
@mysql_query("SET NAMES 'utf8'", $this->db_connect_id);
// enforce strict mode on databases that support it
if (version_compare($this->sql_server_info(true), '5.0.2', '>='))
{
$result = @mysql_query('SELECT @@session.sql_mode AS sql_mode', $this->db_connect_id);
$row = @mysql_fetch_assoc($result);
@mysql_free_result($result);
$modes = array_map('trim', explode(',', $row['sql_mode']));
// TRADITIONAL includes STRICT_ALL_TABLES and STRICT_TRANS_TABLES
if (!in_array('TRADITIONAL', $modes))
{
if (!in_array('STRICT_ALL_TABLES', $modes))
{
$modes[] = 'STRICT_ALL_TABLES';
}
if (!in_array('STRICT_TRANS_TABLES', $modes))
{
$modes[] = 'STRICT_TRANS_TABLES';
}
}
$mode = implode(',', $modes);
@mysql_query("SET SESSION sql_mode='{$mode}'", $this->db_connect_id);
}
}
else if (version_compare($this->sql_server_info(true), '4.0.0', '<'))
{
$this->sql_layer = 'mysql';
}
return $this->db_connect_id;
}
}
return $this->sql_error('');
}
/**
* Version information about used database
* @param bool $raw if true, only return the fetched sql_server_version
* @return string sql server version
*/
function sql_server_info($raw = false)
{
global $cache;
if (empty($cache) || ($this->sql_server_version = $cache->get('mysql_version')) === false)
{
$result = @mysql_query('SELECT VERSION() AS version', $this->db_connect_id);
$row = @mysql_fetch_assoc($result);
@mysql_free_result($result);
$this->sql_server_version = $row['version'];
if (!empty($cache))
{
$cache->put('mysql_version', $this->sql_server_version);
}
}
return ($raw) ? $this->sql_server_version : 'MySQL ' . $this->sql_server_version;
}
/**
* SQL Transaction
* @access private
*/
function _sql_transaction($status = 'begin')
{
switch ($status)
{
case 'begin':
return @mysql_query('BEGIN', $this->db_connect_id);
break;
case 'commit':
return @mysql_query('COMMIT', $this->db_connect_id);
break;
case 'rollback':
return @mysql_query('ROLLBACK', $this->db_connect_id);
break;
}
return true;
}
/**
* Base query method
*
* @param string $query Contains the SQL query which shall be executed
* @param int $cache_ttl Either 0 to avoid caching or the time in seconds which the result shall be kept in cache
* @return mixed When casted to bool the returned value returns true on success and false on failure
*
* @access public
*/
function sql_query($query = '', $cache_ttl = 0)
{
if ($query != '')
{
global $cache;
// EXPLAIN only in extra debug mode
if (defined('DEBUG_EXTRA'))
{
$this->sql_report('start', $query);
}
$this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false;
$this->sql_add_num_queries($this->query_result);
if ($this->query_result === false)
{
if (($this->query_result = @mysql_query($query, $this->db_connect_id)) === false)
{
$this->sql_error($query);
}
if (defined('DEBUG_EXTRA'))
{
$this->sql_report('stop', $query);
}
if ($cache_ttl && method_exists($cache, 'sql_save'))
{
$this->open_queries[(int) $this->query_result] = $this->query_result;
$cache->sql_save($query, $this->query_result, $cache_ttl);
}
else if (strpos($query, 'SELECT') === 0 && $this->query_result)
{
$this->open_queries[(int) $this->query_result] = $this->query_result;
}
}
else if (defined('DEBUG_EXTRA'))
{
$this->sql_report('fromcache', $query);
}
}
else
{
return false;
}
return $this->query_result;
}
/**
* Build LIMIT query
*/
function _sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0)
{
$this->query_result = false;
// if $total is set to 0 we do not want to limit the number of rows
if ($total == 0)
{
// Having a value of -1 was always a bug
$total = '18446744073709551615';
}
$query .= "\n LIMIT " . ((!empty($offset)) ? $offset . ', ' . $total : $total);
return $this->sql_query($query, $cache_ttl);
}
/**
* Return number of affected rows
*/
function sql_affectedrows()
{
return ($this->db_connect_id) ? @mysql_affected_rows($this->db_connect_id) : false;
}
/**
* Fetch current row
*/
function sql_fetchrow($query_id = false)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_fetchrow($query_id);
}
return ($query_id !== false) ? @mysql_fetch_assoc($query_id) : false;
}
/**
* Seek to given row number
* rownum is zero-based
*/
function sql_rowseek($rownum, &$query_id)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_rowseek($rownum, $query_id);
}
return ($query_id !== false) ? @mysql_data_seek($query_id, $rownum) : false;
}
/**
* Get last inserted id after insert statement
*/
function sql_nextid()
{
return ($this->db_connect_id) ? @mysql_insert_id($this->db_connect_id) : false;
}
/**
* Free sql result
*/
function sql_freeresult($query_id = false)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_freeresult($query_id);
}
if (isset($this->open_queries[(int) $query_id]))
{
unset($this->open_queries[(int) $query_id]);
return @mysql_free_result($query_id);
}
return false;
}
/**
* Escape string used in sql query
*/
function sql_escape($msg)
{
if (!$this->db_connect_id)
{
return @mysql_real_escape_string($msg);
}
return @mysql_real_escape_string($msg, $this->db_connect_id);
}
/**
* Build LIKE expression
* @access private
*/
function _sql_like_expression($expression)
{
return $expression;
}
/**
* Build db-specific query data
* @access private
*/
function _sql_custom_build($stage, $data)
{
switch ($stage)
{
case 'FROM':
$data = '(' . $data . ')';
break;
}
return $data;
}
/**
* return sql error array
* @access private
*/
function _sql_error()
{
if (!$this->db_connect_id)
{
return array(
'message' => @mysql_error(),
'code' => @mysql_errno()
);
}
return array(
'message' => @mysql_error($this->db_connect_id),
'code' => @mysql_errno($this->db_connect_id)
);
}
/**
* Close sql connection
* @access private
*/
function _sql_close()
{
return @mysql_close($this->db_connect_id);
}
/**
* Build db-specific report
* @access private
*/
function _sql_report($mode, $query = '')
{
static $test_prof;
// current detection method, might just switch to see the existance of INFORMATION_SCHEMA.PROFILING
if ($test_prof === null)
{
$test_prof = false;
if (version_compare($this->sql_server_info(true), '5.0.37', '>=') && version_compare($this->sql_server_info(true), '5.1', '<'))
{
$test_prof = true;
}
}
switch ($mode)
{
case 'start':
$explain_query = $query;
if (preg_match('/UPDATE ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))
{
$explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];
}
else if (preg_match('/DELETE FROM ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))
{
$explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];
}
if (preg_match('/^SELECT/', $explain_query))
{
$html_table = false;
// begin profiling
if ($test_prof)
{
@mysql_query('SET profiling = 1;', $this->db_connect_id);
}
if ($result = @mysql_query("EXPLAIN $explain_query", $this->db_connect_id))
{
while ($row = @mysql_fetch_assoc($result))
{
$html_table = $this->sql_report('add_select_row', $query, $html_table, $row);
}
}
@mysql_free_result($result);
if ($html_table)
{
$this->html_hold .= '</table>';
}
if ($test_prof)
{
$html_table = false;
// get the last profile
if ($result = @mysql_query('SHOW PROFILE ALL;', $this->db_connect_id))
{
$this->html_hold .= '<br />';
while ($row = @mysql_fetch_assoc($result))
{
// make <unknown> HTML safe
if (!empty($row['Source_function']))
{
$row['Source_function'] = str_replace(array('<', '>'), array('&lt;', '&gt;'), $row['Source_function']);
}
// remove unsupported features
foreach ($row as $key => $val)
{
if ($val === null)
{
unset($row[$key]);
}
}
$html_table = $this->sql_report('add_select_row', $query, $html_table, $row);
}
}
@mysql_free_result($result);
if ($html_table)
{
$this->html_hold .= '</table>';
}
@mysql_query('SET profiling = 0;', $this->db_connect_id);
}
}
break;
case 'fromcache':
$endtime = explode(' ', microtime());
$endtime = $endtime[0] + $endtime[1];
$result = @mysql_query($query, $this->db_connect_id);
while ($void = @mysql_fetch_assoc($result))
{
// Take the time spent on parsing rows into account
}
@mysql_free_result($result);
$splittime = explode(' ', microtime());
$splittime = $splittime[0] + $splittime[1];
$this->sql_report('record_fromcache', $query, $endtime, $splittime);
break;
}
}
}
?>

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<?php
/**
*
* @package dbal
* @version $Id$
* @copyright (c) 2005 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
include_once($phpbb_root_path . 'includes/db/dbal.' . $phpEx);
/**
* MySQLi Database Abstraction Layer
* mysqli-extension has to be compiled with:
* MySQL 4.1+ or MySQL 5.0+
* @package dbal
*/
class dbal_mysqli extends dbal
{
var $multi_insert = true;
/**
* Connect to server
*/
function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false , $new_link = false)
{
$this->persistency = $persistency;
$this->user = $sqluser;
$this->server = $sqlserver;
$this->dbname = $database;
$port = (!$port) ? NULL : $port;
// Persistant connections not supported by the mysqli extension?
$this->db_connect_id = @mysqli_connect($this->server, $this->user, $sqlpassword, $this->dbname, $port);
if ($this->db_connect_id && $this->dbname != '')
{
@mysqli_query($this->db_connect_id, "SET NAMES 'utf8'");
// enforce strict mode on databases that support it
if (version_compare($this->sql_server_info(true), '5.0.2', '>='))
{
$result = @mysqli_query($this->db_connect_id, 'SELECT @@session.sql_mode AS sql_mode');
$row = @mysqli_fetch_assoc($result);
@mysqli_free_result($result);
$modes = array_map('trim', explode(',', $row['sql_mode']));
// TRADITIONAL includes STRICT_ALL_TABLES and STRICT_TRANS_TABLES
if (!in_array('TRADITIONAL', $modes))
{
if (!in_array('STRICT_ALL_TABLES', $modes))
{
$modes[] = 'STRICT_ALL_TABLES';
}
if (!in_array('STRICT_TRANS_TABLES', $modes))
{
$modes[] = 'STRICT_TRANS_TABLES';
}
}
$mode = implode(',', $modes);
@mysqli_query($this->db_connect_id, "SET SESSION sql_mode='{$mode}'");
}
return $this->db_connect_id;
}
return $this->sql_error('');
}
/**
* Version information about used database
* @param bool $raw if true, only return the fetched sql_server_version
* @return string sql server version
*/
function sql_server_info($raw = false)
{
global $cache;
if (empty($cache) || ($this->sql_server_version = $cache->get('mysqli_version')) === false)
{
$result = @mysqli_query($this->db_connect_id, 'SELECT VERSION() AS version');
$row = @mysqli_fetch_assoc($result);
@mysqli_free_result($result);
$this->sql_server_version = $row['version'];
if (!empty($cache))
{
$cache->put('mysqli_version', $this->sql_server_version);
}
}
return ($raw) ? $this->sql_server_version : 'MySQL(i) ' . $this->sql_server_version;
}
/**
* SQL Transaction
* @access private
*/
function _sql_transaction($status = 'begin')
{
switch ($status)
{
case 'begin':
return @mysqli_autocommit($this->db_connect_id, false);
break;
case 'commit':
$result = @mysqli_commit($this->db_connect_id);
@mysqli_autocommit($this->db_connect_id, true);
return $result;
break;
case 'rollback':
$result = @mysqli_rollback($this->db_connect_id);
@mysqli_autocommit($this->db_connect_id, true);
return $result;
break;
}
return true;
}
/**
* Base query method
*
* @param string $query Contains the SQL query which shall be executed
* @param int $cache_ttl Either 0 to avoid caching or the time in seconds which the result shall be kept in cache
* @return mixed When casted to bool the returned value returns true on success and false on failure
*
* @access public
*/
function sql_query($query = '', $cache_ttl = 0)
{
if ($query != '')
{
global $cache;
// EXPLAIN only in extra debug mode
if (defined('DEBUG_EXTRA'))
{
$this->sql_report('start', $query);
}
$this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false;
$this->sql_add_num_queries($this->query_result);
if ($this->query_result === false)
{
if (($this->query_result = @mysqli_query($this->db_connect_id, $query)) === false)
{
$this->sql_error($query);
}
if (defined('DEBUG_EXTRA'))
{
$this->sql_report('stop', $query);
}
if ($cache_ttl && method_exists($cache, 'sql_save'))
{
$cache->sql_save($query, $this->query_result, $cache_ttl);
}
}
else if (defined('DEBUG_EXTRA'))
{
$this->sql_report('fromcache', $query);
}
}
else
{
return false;
}
return $this->query_result;
}
/**
* Build LIMIT query
*/
function _sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0)
{
$this->query_result = false;
// if $total is set to 0 we do not want to limit the number of rows
if ($total == 0)
{
// MySQL 4.1+ no longer supports -1 in limit queries
$total = '18446744073709551615';
}
$query .= "\n LIMIT " . ((!empty($offset)) ? $offset . ', ' . $total : $total);
return $this->sql_query($query, $cache_ttl);
}
/**
* Return number of affected rows
*/
function sql_affectedrows()
{
return ($this->db_connect_id) ? @mysqli_affected_rows($this->db_connect_id) : false;
}
/**
* Fetch current row
*/
function sql_fetchrow($query_id = false)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (!is_object($query_id) && isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_fetchrow($query_id);
}
return ($query_id !== false) ? @mysqli_fetch_assoc($query_id) : false;
}
/**
* Seek to given row number
* rownum is zero-based
*/
function sql_rowseek($rownum, &$query_id)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (!is_object($query_id) && isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_rowseek($rownum, $query_id);
}
return ($query_id !== false) ? @mysqli_data_seek($query_id, $rownum) : false;
}
/**
* Get last inserted id after insert statement
*/
function sql_nextid()
{
return ($this->db_connect_id) ? @mysqli_insert_id($this->db_connect_id) : false;
}
/**
* Free sql result
*/
function sql_freeresult($query_id = false)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (!is_object($query_id) && isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_freeresult($query_id);
}
return @mysqli_free_result($query_id);
}
/**
* Escape string used in sql query
*/
function sql_escape($msg)
{
return @mysqli_real_escape_string($this->db_connect_id, $msg);
}
/**
* Build LIKE expression
* @access private
*/
function _sql_like_expression($expression)
{
return $expression;
}
/**
* Build db-specific query data
* @access private
*/
function _sql_custom_build($stage, $data)
{
switch ($stage)
{
case 'FROM':
$data = '(' . $data . ')';
break;
}
return $data;
}
/**
* return sql error array
* @access private
*/
function _sql_error()
{
if (!$this->db_connect_id)
{
return array(
'message' => @mysqli_connect_error(),
'code' => @mysqli_connect_errno()
);
}
return array(
'message' => @mysqli_error($this->db_connect_id),
'code' => @mysqli_errno($this->db_connect_id)
);
}
/**
* Close sql connection
* @access private
*/
function _sql_close()
{
return @mysqli_close($this->db_connect_id);
}
/**
* Build db-specific report
* @access private
*/
function _sql_report($mode, $query = '')
{
static $test_prof;
// current detection method, might just switch to see the existance of INFORMATION_SCHEMA.PROFILING
if ($test_prof === null)
{
$test_prof = false;
if (strpos(mysqli_get_server_info($this->db_connect_id), 'community') !== false)
{
$ver = mysqli_get_server_version($this->db_connect_id);
if ($ver >= 50037 && $ver < 50100)
{
$test_prof = true;
}
}
}
switch ($mode)
{
case 'start':
$explain_query = $query;
if (preg_match('/UPDATE ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))
{
$explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];
}
else if (preg_match('/DELETE FROM ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))
{
$explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];
}
if (preg_match('/^SELECT/', $explain_query))
{
$html_table = false;
// begin profiling
if ($test_prof)
{
@mysqli_query($this->db_connect_id, 'SET profiling = 1;');
}
if ($result = @mysqli_query($this->db_connect_id, "EXPLAIN $explain_query"))
{
while ($row = @mysqli_fetch_assoc($result))
{
$html_table = $this->sql_report('add_select_row', $query, $html_table, $row);
}
}
@mysqli_free_result($result);
if ($html_table)
{
$this->html_hold .= '</table>';
}
if ($test_prof)
{
$html_table = false;
// get the last profile
if ($result = @mysqli_query($this->db_connect_id, 'SHOW PROFILE ALL;'))
{
$this->html_hold .= '<br />';
while ($row = @mysqli_fetch_assoc($result))
{
// make <unknown> HTML safe
if (!empty($row['Source_function']))
{
$row['Source_function'] = str_replace(array('<', '>'), array('&lt;', '&gt;'), $row['Source_function']);
}
// remove unsupported features
foreach ($row as $key => $val)
{
if ($val === null)
{
unset($row[$key]);
}
}
$html_table = $this->sql_report('add_select_row', $query, $html_table, $row);
}
}
@mysqli_free_result($result);
if ($html_table)
{
$this->html_hold .= '</table>';
}
@mysqli_query($this->db_connect_id, 'SET profiling = 0;');
}
}
break;
case 'fromcache':
$endtime = explode(' ', microtime());
$endtime = $endtime[0] + $endtime[1];
$result = @mysqli_query($this->db_connect_id, $query);
while ($void = @mysqli_fetch_assoc($result))
{
// Take the time spent on parsing rows into account
}
@mysqli_free_result($result);
$splittime = explode(' ', microtime());
$splittime = $splittime[0] + $splittime[1];
$this->sql_report('record_fromcache', $query, $endtime, $splittime);
break;
}
}
}
?>

View File

@@ -0,0 +1,752 @@
<?php
/**
*
* @package dbal
* @version $Id$
* @copyright (c) 2005 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
include_once($phpbb_root_path . 'includes/db/dbal.' . $phpEx);
/**
* Oracle Database Abstraction Layer
* @package dbal
*/
class dbal_oracle extends dbal
{
var $last_query_text = '';
/**
* Connect to server
*/
function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false, $new_link = false)
{
$this->persistency = $persistency;
$this->user = $sqluser;
$this->server = $sqlserver . (($port) ? ':' . $port : '');
$this->dbname = $database;
$connect = $database;
// support for "easy connect naming"
if ($sqlserver !== '' && $sqlserver !== '/')
{
if (substr($sqlserver, -1, 1) == '/')
{
$sqlserver == substr($sqlserver, 0, -1);
}
$connect = $sqlserver . (($port) ? ':' . $port : '') . '/' . $database;
}
$this->db_connect_id = ($new_link) ? @ocinlogon($this->user, $sqlpassword, $connect, 'UTF8') : (($this->persistency) ? @ociplogon($this->user, $sqlpassword, $connect, 'UTF8') : @ocilogon($this->user, $sqlpassword, $connect, 'UTF8'));
return ($this->db_connect_id) ? $this->db_connect_id : $this->sql_error('');
}
/**
* Version information about used database
* @param bool $raw if true, only return the fetched sql_server_version
* @return string sql server version
*/
function sql_server_info($raw = false)
{
/*
global $cache;
if (empty($cache) || ($this->sql_server_version = $cache->get('oracle_version')) === false)
{
$result = @ociparse($this->db_connect_id, 'SELECT * FROM v$version WHERE banner LIKE \'Oracle%\'');
@ociexecute($result, OCI_DEFAULT);
@ocicommit($this->db_connect_id);
$row = array();
@ocifetchinto($result, $row, OCI_ASSOC + OCI_RETURN_NULLS);
@ocifreestatement($result);
$this->sql_server_version = trim($row['BANNER']);
$cache->put('oracle_version', $this->sql_server_version);
}
*/
$this->sql_server_version = @ociserverversion($this->db_connect_id);
return $this->sql_server_version;
}
/**
* SQL Transaction
* @access private
*/
function _sql_transaction($status = 'begin')
{
switch ($status)
{
case 'begin':
return true;
break;
case 'commit':
return @ocicommit($this->db_connect_id);
break;
case 'rollback':
return @ocirollback($this->db_connect_id);
break;
}
return true;
}
/**
* Oracle specific code to handle the fact that it does not compare columns properly
* @access private
*/
function _rewrite_col_compare($args)
{
if (sizeof($args) == 4)
{
if ($args[2] == '=')
{
return '(' . $args[0] . ' OR (' . $args[1] . ' is NULL AND ' . $args[3] . ' is NULL))';
}
else if ($args[2] == '<>')
{
// really just a fancy way of saying foo <> bar or (foo is NULL XOR bar is NULL) but SQL has no XOR :P
return '(' . $args[0] . ' OR ((' . $args[1] . ' is NULL AND ' . $args[3] . ' is NOT NULL) OR (' . $args[1] . ' is NOT NULL AND ' . $args[3] . ' is NULL)))';
}
}
else
{
return $this->_rewrite_where($args[0]);
}
}
/**
* Oracle specific code to handle it's lack of sanity
* @access private
*/
function _rewrite_where($where_clause)
{
preg_match_all('/\s*(AND|OR)?\s*([\w_.]++)\s*(?:(=|<[=>]?|>=?)\s*((?>\'(?>[^\']++|\'\')*+\'|[\d-.]+))|((NOT )?IN\s*\((?>\'(?>[^\']++|\'\')*+\',? ?|[\d-.]+,? ?)*+\)))/', $where_clause, $result, PREG_SET_ORDER);
$out = '';
foreach ($result as $val)
{
if (!isset($val[5]))
{
if ($val[4] !== "''")
{
$out .= $val[0];
}
else
{
$out .= ' ' . $val[1] . ' ' . $val[2];
if ($val[3] == '=')
{
$out .= ' is NULL';
}
else if ($val[3] == '<>')
{
$out .= ' is NOT NULL';
}
}
}
else
{
$in_clause = array();
$sub_exp = substr($val[5], strpos($val[5], '(') + 1, -1);
$extra = false;
preg_match_all('/\'(?>[^\']++|\'\')*+\'|[\d-.]++/', $sub_exp, $sub_vals, PREG_PATTERN_ORDER);
$i = 0;
foreach ($sub_vals[0] as $sub_val)
{
// two things:
// 1) This determines if an empty string was in the IN clausing, making us turn it into a NULL comparison
// 2) This fixes the 1000 list limit that Oracle has (ORA-01795)
if ($sub_val !== "''")
{
$in_clause[(int) $i++/1000][] = $sub_val;
}
else
{
$extra = true;
}
}
if (!$extra && $i < 1000)
{
$out .= $val[0];
}
else
{
$out .= ' ' . $val[1] . '(';
$in_array = array();
// constuct each IN() clause
foreach ($in_clause as $in_values)
{
$in_array[] = $val[2] . ' ' . (isset($val[6]) ? $val[6] : '') . 'IN(' . implode(', ', $in_values) . ')';
}
// Join the IN() clauses against a few ORs (IN is just a nicer OR anyway)
$out .= implode(' OR ', $in_array);
// handle the empty string case
if ($extra)
{
$out .= ' OR ' . $val[2] . ' is ' . (isset($val[6]) ? $val[6] : '') . 'NULL';
}
$out .= ')';
unset($in_array, $in_clause);
}
}
}
return $out;
}
/**
* Base query method
*
* @param string $query Contains the SQL query which shall be executed
* @param int $cache_ttl Either 0 to avoid caching or the time in seconds which the result shall be kept in cache
* @return mixed When casted to bool the returned value returns true on success and false on failure
*
* @access public
*/
function sql_query($query = '', $cache_ttl = 0)
{
if ($query != '')
{
global $cache;
// EXPLAIN only in extra debug mode
if (defined('DEBUG_EXTRA'))
{
$this->sql_report('start', $query);
}
$this->last_query_text = $query;
$this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false;
$this->sql_add_num_queries($this->query_result);
if ($this->query_result === false)
{
$in_transaction = false;
if (!$this->transaction)
{
$this->sql_transaction('begin');
}
else
{
$in_transaction = true;
}
$array = array();
// We overcome Oracle's 4000 char limit by binding vars
if (strlen($query) > 4000)
{
if (preg_match('/^(INSERT INTO[^(]++)\\(([^()]+)\\) VALUES[^(]++\\((.*?)\\)$/sU', $query, $regs))
{
if (strlen($regs[3]) > 4000)
{
$cols = explode(', ', $regs[2]);
preg_match_all('/\'(?:[^\']++|\'\')*+\'|[\d-.]+/', $regs[3], $vals, PREG_PATTERN_ORDER);
if (sizeof($cols) !== sizeof($vals))
{
// Try to replace some common data we know is from our restore script or from other sources
$regs[3] = str_replace("'||chr(47)||'", '/', $regs[3]);
$_vals = explode(', ', $regs[3]);
$vals = array();
$is_in_val = false;
$i = 0;
$string = '';
foreach ($_vals as $value)
{
if (strpos($value, "'") === false && !$is_in_val)
{
$vals[$i++] = $value;
continue;
}
if (substr($value, -1) === "'")
{
$vals[$i] = $string . (($is_in_val) ? ', ' : '') . $value;
$string = '';
$is_in_val = false;
if ($vals[$i][0] !== "'")
{
$vals[$i] = "''" . $vals[$i];
}
$i++;
continue;
}
else
{
$string .= (($is_in_val) ? ', ' : '') . $value;
$is_in_val = true;
}
}
if ($string)
{
// New value if cols != value
$vals[(sizeof($cols) !== sizeof($vals)) ? $i : $i - 1] .= $string;
}
$vals = array(0 => $vals);
}
$inserts = $vals[0];
unset($vals);
foreach ($inserts as $key => $value)
{
if (!empty($value) && $value[0] === "'" && strlen($value) > 4002) // check to see if this thing is greater than the max + 'x2
{
$inserts[$key] = ':' . strtoupper($cols[$key]);
$array[$inserts[$key]] = str_replace("''", "'", substr($value, 1, -1));
}
}
$query = $regs[1] . '(' . $regs[2] . ') VALUES (' . implode(', ', $inserts) . ')';
}
}
else if (preg_match_all('/^(UPDATE [\\w_]++\\s+SET )([\\w_]++\\s*=\\s*(?:\'(?:[^\']++|\'\')*+\'|[\d-.]+)(?:,\\s*[\\w_]++\\s*=\\s*(?:\'(?:[^\']++|\'\')*+\'|[\d-.]+))*+)\\s+(WHERE.*)$/s', $query, $data, PREG_SET_ORDER))
{
if (strlen($data[0][2]) > 4000)
{
$update = $data[0][1];
$where = $data[0][3];
preg_match_all('/([\\w_]++)\\s*=\\s*(\'(?:[^\']++|\'\')*+\'|[\d-.]++)/', $data[0][2], $temp, PREG_SET_ORDER);
unset($data);
$cols = array();
foreach ($temp as $value)
{
if (!empty($value[2]) && $value[2][0] === "'" && strlen($value[2]) > 4002) // check to see if this thing is greater than the max + 'x2
{
$cols[] = $value[1] . '=:' . strtoupper($value[1]);
$array[$value[1]] = str_replace("''", "'", substr($value[2], 1, -1));
}
else
{
$cols[] = $value[1] . '=' . $value[2];
}
}
$query = $update . implode(', ', $cols) . ' ' . $where;
unset($cols);
}
}
}
switch (substr($query, 0, 6))
{
case 'DELETE':
if (preg_match('/^(DELETE FROM [\w_]++ WHERE)((?:\s*(?:AND|OR)?\s*[\w_]+\s*(?:(?:=|<>)\s*(?>\'(?>[^\']++|\'\')*+\'|[\d-.]+)|(?:NOT )?IN\s*\((?>\'(?>[^\']++|\'\')*+\',? ?|[\d-.]+,? ?)*+\)))*+)$/', $query, $regs))
{
$query = $regs[1] . $this->_rewrite_where($regs[2]);
unset($regs);
}
break;
case 'UPDATE':
if (preg_match('/^(UPDATE [\\w_]++\\s+SET [\\w_]+\s*=\s*(?:\'(?:[^\']++|\'\')*+\'|[\d-.]++|:\w++)(?:, [\\w_]+\s*=\s*(?:\'(?:[^\']++|\'\')*+\'|[\d-.]++|:\w++))*+\\s+WHERE)(.*)$/s', $query, $regs))
{
$query = $regs[1] . $this->_rewrite_where($regs[2]);
unset($regs);
}
break;
case 'SELECT':
$query = preg_replace_callback('/([\w_.]++)\s*(?:(=|<>)\s*(?>\'(?>[^\']++|\'\')*+\'|[\d-.]++|([\w_.]++))|(?:NOT )?IN\s*\((?>\'(?>[^\']++|\'\')*+\',? ?|[\d-.]++,? ?)*+\))/', array($this, '_rewrite_col_compare'), $query);
break;
}
$this->query_result = @ociparse($this->db_connect_id, $query);
foreach ($array as $key => $value)
{
@ocibindbyname($this->query_result, $key, $array[$key], -1);
}
$success = @ociexecute($this->query_result, OCI_DEFAULT);
if (!$success)
{
$this->sql_error($query);
$this->query_result = false;
}
else
{
if (!$in_transaction)
{
$this->sql_transaction('commit');
}
}
if (defined('DEBUG_EXTRA'))
{
$this->sql_report('stop', $query);
}
if ($cache_ttl && method_exists($cache, 'sql_save'))
{
$this->open_queries[(int) $this->query_result] = $this->query_result;
$cache->sql_save($query, $this->query_result, $cache_ttl);
}
else if (strpos($query, 'SELECT') === 0 && $this->query_result)
{
$this->open_queries[(int) $this->query_result] = $this->query_result;
}
}
else if (defined('DEBUG_EXTRA'))
{
$this->sql_report('fromcache', $query);
}
}
else
{
return false;
}
return $this->query_result;
}
/**
* Build LIMIT query
*/
function _sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0)
{
$this->query_result = false;
$query = 'SELECT * FROM (SELECT /*+ FIRST_ROWS */ rownum AS xrownum, a.* FROM (' . $query . ') a WHERE rownum <= ' . ($offset + $total) . ') WHERE xrownum >= ' . $offset;
return $this->sql_query($query, $cache_ttl);
}
/**
* Return number of affected rows
*/
function sql_affectedrows()
{
return ($this->query_result) ? @ocirowcount($this->query_result) : false;
}
/**
* Fetch current row
*/
function sql_fetchrow($query_id = false)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_fetchrow($query_id);
}
if ($query_id !== false)
{
$row = array();
$result = @ocifetchinto($query_id, $row, OCI_ASSOC + OCI_RETURN_NULLS);
if (!$result || !$row)
{
return false;
}
$result_row = array();
foreach ($row as $key => $value)
{
// Oracle treats empty strings as null
if (is_null($value))
{
$value = '';
}
// OCI->CLOB?
if (is_object($value))
{
$value = $value->load();
}
$result_row[strtolower($key)] = $value;
}
return $result_row;
}
return false;
}
/**
* Seek to given row number
* rownum is zero-based
*/
function sql_rowseek($rownum, &$query_id)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_rowseek($rownum, $query_id);
}
if ($query_id === false)
{
return false;
}
// Reset internal pointer
@ociexecute($query_id, OCI_DEFAULT);
// We do not fetch the row for rownum == 0 because then the next resultset would be the second row
for ($i = 0; $i < $rownum; $i++)
{
if (!$this->sql_fetchrow($query_id))
{
return false;
}
}
return true;
}
/**
* Get last inserted id after insert statement
*/
function sql_nextid()
{
$query_id = $this->query_result;
if ($query_id !== false && $this->last_query_text != '')
{
if (preg_match('#^INSERT[\t\n ]+INTO[\t\n ]+([a-z0-9\_\-]+)#is', $this->last_query_text, $tablename))
{
$query = 'SELECT ' . $tablename[1] . '_seq.currval FROM DUAL';
$stmt = @ociparse($this->db_connect_id, $query);
@ociexecute($stmt, OCI_DEFAULT);
$temp_result = @ocifetchinto($stmt, $temp_array, OCI_ASSOC + OCI_RETURN_NULLS);
@ocifreestatement($stmt);
if ($temp_result)
{
return $temp_array['CURRVAL'];
}
else
{
return false;
}
}
}
return false;
}
/**
* Free sql result
*/
function sql_freeresult($query_id = false)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_freeresult($query_id);
}
if (isset($this->open_queries[(int) $query_id]))
{
unset($this->open_queries[(int) $query_id]);
return @ocifreestatement($query_id);
}
return false;
}
/**
* Escape string used in sql query
*/
function sql_escape($msg)
{
return str_replace(array("'", "\0"), array("''", ''), $msg);
}
/**
* Build LIKE expression
* @access private
*/
function _sql_like_expression($expression)
{
return $expression . " ESCAPE '\\'";
}
function _sql_custom_build($stage, $data)
{
return $data;
}
function _sql_bit_and($column_name, $bit, $compare = '')
{
return 'BITAND(' . $column_name . ', ' . (1 << $bit) . ')' . (($compare) ? ' ' . $compare : '');
}
/**
* return sql error array
* @access private
*/
function _sql_error()
{
$error = @ocierror();
$error = (!$error) ? @ocierror($this->query_result) : $error;
$error = (!$error) ? @ocierror($this->db_connect_id) : $error;
if ($error)
{
$this->last_error_result = $error;
}
else
{
$error = (isset($this->last_error_result) && $this->last_error_result) ? $this->last_error_result : array();
}
return $error;
}
/**
* Close sql connection
* @access private
*/
function _sql_close()
{
return @ocilogoff($this->db_connect_id);
}
/**
* Build db-specific report
* @access private
*/
function _sql_report($mode, $query = '')
{
switch ($mode)
{
case 'start':
$html_table = false;
// Grab a plan table, any will do
$sql = "SELECT table_name
FROM USER_TABLES
WHERE table_name LIKE '%PLAN_TABLE%'";
$stmt = ociparse($this->db_connect_id, $sql);
ociexecute($stmt);
$result = array();
if (ocifetchinto($stmt, $result, OCI_ASSOC + OCI_RETURN_NULLS))
{
$table = $result['TABLE_NAME'];
// This is the statement_id that will allow us to track the plan
$statement_id = substr(md5($query), 0, 30);
// Remove any stale plans
$stmt2 = ociparse($this->db_connect_id, "DELETE FROM $table WHERE statement_id='$statement_id'");
ociexecute($stmt2);
ocifreestatement($stmt2);
// Explain the plan
$sql = "EXPLAIN PLAN
SET STATEMENT_ID = '$statement_id'
FOR $query";
$stmt2 = ociparse($this->db_connect_id, $sql);
ociexecute($stmt2);
ocifreestatement($stmt2);
// Get the data from the plan
$sql = "SELECT operation, options, object_name, object_type, cardinality, cost
FROM plan_table
START WITH id = 0 AND statement_id = '$statement_id'
CONNECT BY PRIOR id = parent_id
AND statement_id = '$statement_id'";
$stmt2 = ociparse($this->db_connect_id, $sql);
ociexecute($stmt2);
$row = array();
while (ocifetchinto($stmt2, $row, OCI_ASSOC + OCI_RETURN_NULLS))
{
$html_table = $this->sql_report('add_select_row', $query, $html_table, $row);
}
ocifreestatement($stmt2);
// Remove the plan we just made, we delete them on request anyway
$stmt2 = ociparse($this->db_connect_id, "DELETE FROM $table WHERE statement_id='$statement_id'");
ociexecute($stmt2);
ocifreestatement($stmt2);
}
ocifreestatement($stmt);
if ($html_table)
{
$this->html_hold .= '</table>';
}
break;
case 'fromcache':
$endtime = explode(' ', microtime());
$endtime = $endtime[0] + $endtime[1];
$result = @ociparse($this->db_connect_id, $query);
$success = @ociexecute($result, OCI_DEFAULT);
$row = array();
while (@ocifetchinto($result, $row, OCI_ASSOC + OCI_RETURN_NULLS))
{
// Take the time spent on parsing rows into account
}
@ocifreestatement($result);
$splittime = explode(' ', microtime());
$splittime = $splittime[0] + $splittime[1];
$this->sql_report('record_fromcache', $query, $endtime, $splittime);
break;
}
}
}
?>

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<?php
/**
*
* @package dbal
* @version $Id$
* @copyright (c) 2005 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
include_once($phpbb_root_path . 'includes/db/dbal.' . $phpEx);
/**
* PostgreSQL Database Abstraction Layer
* Minimum Requirement is Version 7.3+
* @package dbal
*/
class dbal_postgres extends dbal
{
var $last_query_text = '';
/**
* Connect to server
*/
function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false, $new_link = false)
{
$connect_string = '';
if ($sqluser)
{
$connect_string .= "user=$sqluser ";
}
if ($sqlpassword)
{
$connect_string .= "password=$sqlpassword ";
}
if ($sqlserver)
{
if (strpos($sqlserver, ':') !== false)
{
list($sqlserver, $port) = explode(':', $sqlserver);
}
if ($sqlserver !== 'localhost')
{
$connect_string .= "host=$sqlserver ";
}
if ($port)
{
$connect_string .= "port=$port ";
}
}
$schema = '';
if ($database)
{
$this->dbname = $database;
if (strpos($database, '.') !== false)
{
list($database, $schema) = explode('.', $database);
}
$connect_string .= "dbname=$database";
}
$this->persistency = $persistency;
$this->db_connect_id = ($this->persistency) ? @pg_pconnect($connect_string, $new_link) : @pg_connect($connect_string, $new_link);
if ($this->db_connect_id)
{
if (version_compare($this->sql_server_info(true), '8.2', '>='))
{
$this->multi_insert = true;
}
if ($schema !== '')
{
@pg_query($this->db_connect_id, 'SET search_path TO ' . $schema);
}
return $this->db_connect_id;
}
return $this->sql_error('');
}
/**
* Version information about used database
* @param bool $raw if true, only return the fetched sql_server_version
* @return string sql server version
*/
function sql_server_info($raw = false)
{
global $cache;
if (empty($cache) || ($this->sql_server_version = $cache->get('pgsql_version')) === false)
{
$query_id = @pg_query($this->db_connect_id, 'SELECT VERSION() AS version');
$row = @pg_fetch_assoc($query_id, null);
@pg_free_result($query_id);
$this->sql_server_version = (!empty($row['version'])) ? trim(substr($row['version'], 10)) : 0;
if (!empty($cache))
{
$cache->put('pgsql_version', $this->sql_server_version);
}
}
return ($raw) ? $this->sql_server_version : 'PostgreSQL ' . $this->sql_server_version;
}
/**
* SQL Transaction
* @access private
*/
function _sql_transaction($status = 'begin')
{
switch ($status)
{
case 'begin':
return @pg_query($this->db_connect_id, 'BEGIN');
break;
case 'commit':
return @pg_query($this->db_connect_id, 'COMMIT');
break;
case 'rollback':
return @pg_query($this->db_connect_id, 'ROLLBACK');
break;
}
return true;
}
/**
* Base query method
*
* @param string $query Contains the SQL query which shall be executed
* @param int $cache_ttl Either 0 to avoid caching or the time in seconds which the result shall be kept in cache
* @return mixed When casted to bool the returned value returns true on success and false on failure
*
* @access public
*/
function sql_query($query = '', $cache_ttl = 0)
{
if ($query != '')
{
global $cache;
// EXPLAIN only in extra debug mode
if (defined('DEBUG_EXTRA'))
{
$this->sql_report('start', $query);
}
$this->last_query_text = $query;
$this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false;
$this->sql_add_num_queries($this->query_result);
if ($this->query_result === false)
{
if (($this->query_result = @pg_query($this->db_connect_id, $query)) === false)
{
$this->sql_error($query);
}
if (defined('DEBUG_EXTRA'))
{
$this->sql_report('stop', $query);
}
if ($cache_ttl && method_exists($cache, 'sql_save'))
{
$this->open_queries[(int) $this->query_result] = $this->query_result;
$cache->sql_save($query, $this->query_result, $cache_ttl);
}
else if (strpos($query, 'SELECT') === 0 && $this->query_result)
{
$this->open_queries[(int) $this->query_result] = $this->query_result;
}
}
else if (defined('DEBUG_EXTRA'))
{
$this->sql_report('fromcache', $query);
}
}
else
{
return false;
}
return $this->query_result;
}
/**
* Build db-specific query data
* @access private
*/
function _sql_custom_build($stage, $data)
{
return $data;
}
/**
* Build LIMIT query
*/
function _sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0)
{
$this->query_result = false;
// if $total is set to 0 we do not want to limit the number of rows
if ($total == 0)
{
$total = 'ALL';
}
$query .= "\n LIMIT $total OFFSET $offset";
return $this->sql_query($query, $cache_ttl);
}
/**
* Return number of affected rows
*/
function sql_affectedrows()
{
return ($this->query_result) ? @pg_affected_rows($this->query_result) : false;
}
/**
* Fetch current row
*/
function sql_fetchrow($query_id = false)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_fetchrow($query_id);
}
return ($query_id !== false) ? @pg_fetch_assoc($query_id, null) : false;
}
/**
* Seek to given row number
* rownum is zero-based
*/
function sql_rowseek($rownum, &$query_id)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_rowseek($rownum, $query_id);
}
return ($query_id !== false) ? @pg_result_seek($query_id, $rownum) : false;
}
/**
* Get last inserted id after insert statement
*/
function sql_nextid()
{
$query_id = $this->query_result;
if ($query_id !== false && $this->last_query_text != '')
{
if (preg_match("/^INSERT[\t\n ]+INTO[\t\n ]+([a-z0-9\_\-]+)/is", $this->last_query_text, $tablename))
{
$query = "SELECT currval('" . $tablename[1] . "_seq') AS last_value";
$temp_q_id = @pg_query($this->db_connect_id, $query);
if (!$temp_q_id)
{
return false;
}
$temp_result = @pg_fetch_assoc($temp_q_id, NULL);
@pg_free_result($query_id);
return ($temp_result) ? $temp_result['last_value'] : false;
}
}
return false;
}
/**
* Free sql result
*/
function sql_freeresult($query_id = false)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_freeresult($query_id);
}
if (isset($this->open_queries[(int) $query_id]))
{
unset($this->open_queries[(int) $query_id]);
return @pg_free_result($query_id);
}
return false;
}
/**
* Escape string used in sql query
* Note: Do not use for bytea values if we may use them at a later stage
*/
function sql_escape($msg)
{
return @pg_escape_string($msg);
}
/**
* Build LIKE expression
* @access private
*/
function _sql_like_expression($expression)
{
return $expression;
}
/**
* return sql error array
* @access private
*/
function _sql_error()
{
return array(
'message' => (!$this->db_connect_id) ? @pg_last_error() : @pg_last_error($this->db_connect_id),
'code' => ''
);
}
/**
* Close sql connection
* @access private
*/
function _sql_close()
{
return @pg_close($this->db_connect_id);
}
/**
* Build db-specific report
* @access private
*/
function _sql_report($mode, $query = '')
{
switch ($mode)
{
case 'start':
$explain_query = $query;
if (preg_match('/UPDATE ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))
{
$explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];
}
else if (preg_match('/DELETE FROM ([a-z0-9_]+).*?WHERE(.*)/s', $query, $m))
{
$explain_query = 'SELECT * FROM ' . $m[1] . ' WHERE ' . $m[2];
}
if (preg_match('/^SELECT/', $explain_query))
{
$html_table = false;
if ($result = @pg_query($this->db_connect_id, "EXPLAIN $explain_query"))
{
while ($row = @pg_fetch_assoc($result, NULL))
{
$html_table = $this->sql_report('add_select_row', $query, $html_table, $row);
}
}
@pg_free_result($result);
if ($html_table)
{
$this->html_hold .= '</table>';
}
}
break;
case 'fromcache':
$endtime = explode(' ', microtime());
$endtime = $endtime[0] + $endtime[1];
$result = @pg_query($this->db_connect_id, $query);
while ($void = @pg_fetch_assoc($result, NULL))
{
// Take the time spent on parsing rows into account
}
@pg_free_result($result);
$splittime = explode(' ', microtime());
$splittime = $splittime[0] + $splittime[1];
$this->sql_report('record_fromcache', $query, $endtime, $splittime);
break;
}
}
}
?>

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<?php
/**
*
* @package dbal
* @version $Id$
* @copyright (c) 2005 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
include_once($phpbb_root_path . 'includes/db/dbal.' . $phpEx);
/**
* Sqlite Database Abstraction Layer
* Minimum Requirement: 2.8.2+
* @package dbal
*/
class dbal_sqlite extends dbal
{
/**
* Connect to server
*/
function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false, $new_link = false)
{
$this->persistency = $persistency;
$this->user = $sqluser;
$this->server = $sqlserver . (($port) ? ':' . $port : '');
$this->dbname = $database;
$error = '';
$this->db_connect_id = ($this->persistency) ? @sqlite_popen($this->server, 0666, $error) : @sqlite_open($this->server, 0666, $error);
if ($this->db_connect_id)
{
@sqlite_query('PRAGMA short_column_names = 1', $this->db_connect_id);
// @sqlite_query('PRAGMA encoding = "UTF-8"', $this->db_connect_id);
}
return ($this->db_connect_id) ? true : array('message' => $error);
}
/**
* Version information about used database
* @param bool $raw if true, only return the fetched sql_server_version
* @return string sql server version
*/
function sql_server_info($raw = false)
{
global $cache;
if (empty($cache) || ($this->sql_server_version = $cache->get('sqlite_version')) === false)
{
$result = @sqlite_query('SELECT sqlite_version() AS version', $this->db_connect_id);
$row = @sqlite_fetch_array($result, SQLITE_ASSOC);
$this->sql_server_version = (!empty($row['version'])) ? $row['version'] : 0;
$cache->put('sqlite_version', $this->sql_server_version);
}
return ($raw) ? $this->sql_server_version : 'SQLite ' . $this->sql_server_version;
}
/**
* SQL Transaction
* @access private
*/
function _sql_transaction($status = 'begin')
{
switch ($status)
{
case 'begin':
return @sqlite_query('BEGIN', $this->db_connect_id);
break;
case 'commit':
return @sqlite_query('COMMIT', $this->db_connect_id);
break;
case 'rollback':
return @sqlite_query('ROLLBACK', $this->db_connect_id);
break;
}
return true;
}
/**
* Base query method
*
* @param string $query Contains the SQL query which shall be executed
* @param int $cache_ttl Either 0 to avoid caching or the time in seconds which the result shall be kept in cache
* @return mixed When casted to bool the returned value returns true on success and false on failure
*
* @access public
*/
function sql_query($query = '', $cache_ttl = 0)
{
if ($query != '')
{
global $cache;
// EXPLAIN only in extra debug mode
if (defined('DEBUG_EXTRA'))
{
$this->sql_report('start', $query);
}
$this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false;
$this->sql_add_num_queries($this->query_result);
if ($this->query_result === false)
{
if (($this->query_result = @sqlite_query($query, $this->db_connect_id)) === false)
{
$this->sql_error($query);
}
if (defined('DEBUG_EXTRA'))
{
$this->sql_report('stop', $query);
}
if ($cache_ttl && method_exists($cache, 'sql_save'))
{
$this->open_queries[(int) $this->query_result] = $this->query_result;
$cache->sql_save($query, $this->query_result, $cache_ttl);
}
else if (strpos($query, 'SELECT') === 0 && $this->query_result)
{
$this->open_queries[(int) $this->query_result] = $this->query_result;
}
}
else if (defined('DEBUG_EXTRA'))
{
$this->sql_report('fromcache', $query);
}
}
else
{
return false;
}
return $this->query_result;
}
/**
* Build LIMIT query
*/
function _sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0)
{
$this->query_result = false;
// if $total is set to 0 we do not want to limit the number of rows
if ($total == 0)
{
$total = -1;
}
$query .= "\n LIMIT " . ((!empty($offset)) ? $offset . ', ' . $total : $total);
return $this->sql_query($query, $cache_ttl);
}
/**
* Return number of affected rows
*/
function sql_affectedrows()
{
return ($this->db_connect_id) ? @sqlite_changes($this->db_connect_id) : false;
}
/**
* Fetch current row
*/
function sql_fetchrow($query_id = false)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_fetchrow($query_id);
}
return ($query_id !== false) ? @sqlite_fetch_array($query_id, SQLITE_ASSOC) : false;
}
/**
* Seek to given row number
* rownum is zero-based
*/
function sql_rowseek($rownum, &$query_id)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_rowseek($rownum, $query_id);
}
return ($query_id !== false) ? @sqlite_seek($query_id, $rownum) : false;
}
/**
* Get last inserted id after insert statement
*/
function sql_nextid()
{
return ($this->db_connect_id) ? @sqlite_last_insert_rowid($this->db_connect_id) : false;
}
/**
* Free sql result
*/
function sql_freeresult($query_id = false)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_freeresult($query_id);
}
return true;
}
/**
* Escape string used in sql query
*/
function sql_escape($msg)
{
return @sqlite_escape_string($msg);
}
/**
* Correctly adjust LIKE expression for special characters
* For SQLite an underscore is a not-known character... this may change with SQLite3
*/
function sql_like_expression($expression)
{
// Unlike LIKE, GLOB is case sensitive (unfortunatly). SQLite users need to live with it!
// We only catch * and ? here, not the character map possible on file globbing.
$expression = str_replace(array(chr(0) . '_', chr(0) . '%'), array(chr(0) . '?', chr(0) . '*'), $expression);
$expression = str_replace(array('?', '*'), array("\?", "\*"), $expression);
$expression = str_replace(array(chr(0) . "\?", chr(0) . "\*"), array('?', '*'), $expression);
return 'GLOB \'' . $this->sql_escape($expression) . '\'';
}
/**
* return sql error array
* @access private
*/
function _sql_error()
{
return array(
'message' => @sqlite_error_string(@sqlite_last_error($this->db_connect_id)),
'code' => @sqlite_last_error($this->db_connect_id)
);
}
/**
* Build db-specific query data
* @access private
*/
function _sql_custom_build($stage, $data)
{
return $data;
}
/**
* Close sql connection
* @access private
*/
function _sql_close()
{
return @sqlite_close($this->db_connect_id);
}
/**
* Build db-specific report
* @access private
*/
function _sql_report($mode, $query = '')
{
switch ($mode)
{
case 'start':
break;
case 'fromcache':
$endtime = explode(' ', microtime());
$endtime = $endtime[0] + $endtime[1];
$result = @sqlite_query($query, $this->db_connect_id);
while ($void = @sqlite_fetch_array($result, SQLITE_ASSOC))
{
// Take the time spent on parsing rows into account
}
$splittime = explode(' ', microtime());
$splittime = $splittime[0] + $splittime[1];
$this->sql_report('record_fromcache', $query, $endtime, $splittime);
break;
}
}
}
?>