+ public function __construct(phpbb_db_driver $db, phpbb_cache_driver_interface $cache, $table)

+<?php

+/**

+*

+* @package dbal

+* @copyright (c) 2005 phpBB Group

+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2

+*

+*/

+

+/**

+* @ignore

+*/

+if (!defined('IN_PHPBB'))

+{

+ exit;

+}

+

+/**

+* Database Abstraction Layer

+* @package dbal

+*/

+class phpbb_db_driver

+{

+ 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 __construct()

+ {

+ $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;

+ }

+

+ /**

+ * 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;

+ }

+

+ /**

+ * 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) . '\'');

+ }

+

+ /**

+ * Build a case expression

+ *

+ * Note: The two statements action_true and action_false must have the same data type (int, vchar, ...) in the database!

+ *

+ * @param string $condition The condition which must be true, to use action_true rather then action_else

+ * @param string $action_true SQL expression that is used, if the condition is true

+ * @param string $action_else SQL expression that is used, if the condition is false, optional

+ * @return string CASE expression including the condition and statements

+ */

+ public function sql_case($condition, $action_true, $action_false = false)

+ {

+ $sql_case = 'CASE WHEN ' . $condition;

+ $sql_case .= ' THEN ' . $action_true;

+ $sql_case .= ($action_false !== false) ? ' ELSE ' . $action_false : '';

+ $sql_case .= ' END';

+ return $sql_case;

+ }

+

+ /**

+ * Build a concatenated expression

+ *

+ * @param string $expr1 Base SQL expression where we append the second one

+ * @param string $expr2 SQL expression that is appended to the first expression

+ * @return string Concatenated string

+ */

+ public function sql_concatenate($expr1, $expr2)

+ {

+ return $expr1 . ' || ' . $expr2;

+ }

+

+ /**

+ * Returns whether results of a query need to be buffered to run a transaction while iterating over them.

+ *

+ * @return bool Whether buffering is required.

+ */

+ function sql_buffer_nested_transactions()

+ {

+ return false;

+ }

+

+ /**

+ * 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 binary OR 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 OR 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_or($column_name, $bit, $compare = '')

+ {

+ if (method_exists($this, '_sql_bit_or'))

+ {

+ return $this->_sql_bit_or($column_name, $bit, $compare);

+ }

+

+ return $column_name . ' | ' . (1 << $bit) . (($compare) ? ' ' . $compare : '');

+ }

+

+ /**

+ * Returns SQL string to cast a string expression to an int.

+ *

+ * @param string $expression An expression evaluating to string

+ * @return string Expression returning an int

+ */

+ function cast_expr_to_bigint($expression)

+ {

+ return $expression;

+ }

+

+ /**

+ * Returns SQL string to cast an integer expression to a string.

+ *

+ * @param string $expression An expression evaluating to int

+ * @return string Expression returning a string

+ */

+ function cast_expr_to_string($expression)

+ {

+ return $expression;

+ }

+

+ /**

+ * Run LOWER() on DB column of type text (i.e. neither varchar nor char).

+ *

+ * @param string $column_name The column name to use

+ *

+ * @return string A SQL statement like "LOWER($column_name)"

+ */

+ function sql_lower_text($column_name)

+ {

+ return "LOWER($column_name)";

+ }

+

+ /**

+ * 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(' CROSS JOIN ', $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'))

+ {

+ $message .= ($sql) ? '<br /><br />SQL<br /><br />' . htmlspecialchars($sql) : '';

+ }

+ 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;

+ global $request;

+

+ if (is_object($request) && !$request->variable('explain', false))

+ {

+ 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>

+ <html dir="ltr">

+ <head>

+ <meta charset="utf-8">

+ <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 <a href="http://www.phpbb.com/">phpBB</a>&reg; Forum Software &copy; phpBB Group

+ </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;

+ }

+

+ /**

+ * Gets the estimated number of rows in a specified table.

+ *

+ * @param string $table_name Table name

+ *

+ * @return string Number of rows in $table_name.

+ * Prefixed with ~ if estimated (otherwise exact).

+ *

+ * @access public

+ */

+ function get_estimated_row_count($table_name)

+ {

+ return $this->get_row_count($table_name);

+ }

+

+ /**

+ * Gets the exact number of rows in a specified table.

+ *

+ * @param string $table_name Table name

+ *

+ * @return string Exact number of rows in $table_name.

+ *

+ * @access public

+ */

+ function get_row_count($table_name)

+ {

+ $sql = 'SELECT COUNT(*) AS rows_total

+ FROM ' . $this->sql_escape($table_name);

+ $result = $this->sql_query($sql);

+ $rows_total = $this->sql_fetchfield('rows_total');

+ $this->sql_freeresult($result);

+

+ return $rows_total;

+ }

+}

+<?php

+/**

+*

+* @package dbal

+* @copyright (c) 2005 phpBB Group

+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2

+*

+*/

+

+/**

+* @ignore

+*/

+if (!defined('IN_PHPBB'))

+{

+ exit;

+}

+

+/**

+* Firebird/Interbase Database Abstraction Layer

+* Minimum Requirement is Firebird 2.1

+* @package dbal

+*/

+class phpbb_db_driver_firebird extends phpbb_db_driver

+{

+ var $last_query_text = '';

+ var $service_handle = false;

+ var $affected_rows = 0;

+ var $connect_error = '';

+

+ /**

+ * 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;

+ }

+

+ if ($this->persistency)

+ {

+ if (!function_exists('ibase_pconnect'))

+ {

+ $this->connect_error = 'ibase_pconnect function does not exist, is interbase extension installed?';

+ return $this->sql_error('');

+ }

+ $this->db_connect_id = @ibase_pconnect($use_database, $this->user, $sqlpassword, false, false, 3);

+ }

+ else

+ {

+ if (!function_exists('ibase_connect'))

+ {

+ $this->connect_error = 'ibase_connect function does not exist, is interbase extension installed?';

+ return $this->sql_error('');

+ }

+ $this->db_connect_id = @ibase_connect($use_database, $this->user, $sqlpassword, false, false, 3);

+ }

+

+ // Do not call ibase_service_attach if connection failed,

+ // otherwise error message from ibase_(p)connect call will be clobbered.

+ if ($this->db_connect_id && function_exists('ibase_service_attach') && $this->server)

+ {

+ $this->service_handle = @ibase_service_attach($this->server, $this->user, $sqlpassword);

+ }

+ else

+ {

+ $this->service_handle = 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

+ * @param bool $use_cache forced to false for Interbase

+ * @return string sql server version

+ */

+ function sql_server_info($raw = false, $use_cache = true)

+ {

+ /**

+ * force $use_cache false. I didn't research why the caching code there is no caching code

+ * but I assume its because the IB extension provides a direct method to access it

+ * without a query.

+ */

+

+ $use_cache = 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;

+ }

+

+ /**

+ * 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 : '');

+ }

+

+ function _sql_bit_or($column_name, $bit, $compare = '')

+ {

+ return 'BIN_OR(' . $column_name . ', ' . (1 << $bit) . ')' . (($compare) ? ' ' . $compare : '');

+ }

+

+ /**

+ * @inheritdoc

+ */

+ function cast_expr_to_bigint($expression)

+ {

+ // Precision must be from 1 to 18

+ return 'CAST(' . $expression . ' as DECIMAL(18, 0))';

+ }

+

+ /**

+ * @inheritdoc

+ */

+ function cast_expr_to_string($expression)

+ {

+ return 'CAST(' . $expression . ' as VARCHAR(255))';

+ }

+

+ /**

+ * return sql error array

+ * @access private

+ */

+ function _sql_error()

+ {

+ // Need special handling here because ibase_errmsg returns

+ // connection errors, however if the interbase extension

+ // is not installed then ibase_errmsg does not exist and

+ // we cannot call it.

+ if (function_exists('ibase_errmsg'))

+ {

+ $msg = @ibase_errmsg();

+ if (!$msg)

+ {

+ $msg = $this->connect_error;

+ }

+ }

+ else

+ {

+ $msg = $this->connect_error;

+ }

+ return array(

+ 'message' => $msg,

+ '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;

+ }

+ }

+}

+<?php

+/**

+*

+* @package dbal

+* @copyright (c) 2005 phpBB Group

+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2

+*

+*/

+

+/**

+* @ignore

+*/

+if (!defined('IN_PHPBB'))

+{

+ exit;

+}

+

+/**

+* MSSQL Database Abstraction Layer

+* Minimum Requirement is MSSQL 2000+

+* @package dbal

+*/

+class phpbb_db_driver_mssql extends phpbb_db_driver

+{

+ /**

+ * 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);

+

+ $this->db_connect_id = ($this->persistency) ? @mssql_pconnect($this->server, $this->user, $sqlpassword, $new_link) : @mssql_connect($this->server, $this->user, $sqlpassword, $new_link);

+

+ 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

+ * @param bool $use_cache If true, it is safe to retrieve the value from the cache

+ * @return string sql server version

+ */

+ function sql_server_info($raw = false, $use_cache = true)

+ {

+ global $cache;

+

+ if (!$use_cache || empty($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) && $use_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';

+ }

+

+ /**

+ * {@inheritDoc}

+ */

+ public function sql_concatenate($expr1, $expr2)

+ {

+ return $expr1 . ' + ' . $expr2;

+ }

+

+ /**

+ * 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);

+ }

+

+ /**

+ * {@inheritDoc}

+ */

+ function sql_lower_text($column_name)

+ {

+ return "LOWER(SUBSTRING($column_name, 1, DATALENGTH($column_name)))";

+ }

+

+ /**

+ * 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;

+ }

+ }

+}

+<?php

+/**

+*

+* @package dbal

+* @copyright (c) 2005 phpBB Group

+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2

+*

+*/

+

+/**

+* @ignore

+*/

+if (!defined('IN_PHPBB'))

+{

+ exit;

+}

+

+/**

+* 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 phpbb_db_driver_mssql_odbc extends phpbb_db_driver

+{

+ 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

+ * @param bool $use_cache If true, it is safe to retrieve the value from the cache

+ * @return string sql server version

+ */

+ function sql_server_info($raw = false, $use_cache = true)

+ {

+ global $cache;

+

+ if (!$use_cache || empty($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) && $use_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)';

+ }

+

+ /**

+ * {@inheritDoc}

+ */

+ public function sql_concatenate($expr1, $expr2)

+ {

+ return $expr1 . ' + ' . $expr2;

+ }

+

+ /**

+ * 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;

+ }

+

+ /**

+ * 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);

+ }

+

+ /**

+ * {@inheritDoc}

+ */

+ function sql_lower_text($column_name)

+ {

+ return "LOWER(SUBSTRING($column_name, 1, DATALENGTH($column_name)))";

+ }

+

+ /**

+ * 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;

+ }

+ }

+}

+<?php

+/**

+*

+* @package dbal

+* @copyright (c) 2010 phpBB Group

+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2

+*

+* This is the MS SQL Server Native database abstraction layer.

+* PHP mssql native driver required.

+* @author Chris Pucci

+*

+*/

+

+/**

+* @ignore

+*/

+if (!defined('IN_PHPBB'))

+{

+ exit;

+}

+

+/**

+ * Prior to version 1.1 the SQL Server Native PHP driver didn't support sqlsrv_num_rows, or cursor based seeking so we recall all rows into an array

+ * and maintain our own cursor index into that array.

+ */

+class result_mssqlnative

+{

+ public function result_mssqlnative($queryresult = false)

+ {

+ $this->m_cursor = 0;

+ $this->m_rows = array();

+ $this->m_num_fields = sqlsrv_num_fields($queryresult);

+ $this->m_field_meta = sqlsrv_field_metadata($queryresult);

+

+ while ($row = sqlsrv_fetch_array($queryresult, SQLSRV_FETCH_ASSOC))

+ {

+ if ($row !== null)

+ {

+ foreach($row as $k => $v)

+ {

+ if (is_object($v) && method_exists($v, 'format'))

+ {

+ $row[$k] = $v->format("Y-m-d\TH:i:s\Z");

+ }

+ }

+ $this->m_rows[] = $row;//read results into memory, cursors are not supported

+ }

+ }

+

+ $this->m_row_count = sizeof($this->m_rows);

+ }

+

+ private function array_to_obj($array, &$obj)

+ {

+ foreach ($array as $key => $value)

+ {

+ if (is_array($value))

+ {

+ $obj->$key = new stdClass();

+ array_to_obj($value, $obj->$key);

+ }

+ else

+ {

+ $obj->$key = $value;

+ }

+ }

+ return $obj;

+ }

+

+ public function fetch($mode = SQLSRV_FETCH_BOTH, $object_class = 'stdClass')

+ {

+ if ($this->m_cursor >= $this->m_row_count || $this->m_row_count == 0)

+ {

+ return false;

+ }

+

+ $ret = false;

+ $arr_num = array();

+

+ if ($mode == SQLSRV_FETCH_NUMERIC || $mode == SQLSRV_FETCH_BOTH)

+ {

+ foreach($this->m_rows[$this->m_cursor] as $key => $value)

+ {

+ $arr_num[] = $value;

+ }

+ }

+

+ switch ($mode)

+ {

+ case SQLSRV_FETCH_ASSOC:

+ $ret = $this->m_rows[$this->m_cursor];

+ break;

+ case SQLSRV_FETCH_NUMERIC:

+ $ret = $arr_num;

+ break;

+ case 'OBJECT':

+ $ret = $this->array_to_obj($this->m_rows[$this->m_cursor], $o = new $object_class);

+ break;

+ case SQLSRV_FETCH_BOTH:

+ default:

+ $ret = $this->m_rows[$this->m_cursor] + $arr_num;

+ break;

+ }

+ $this->m_cursor++;

+ return $ret;

+ }

+

+ public function get($pos, $fld)

+ {

+ return $this->m_rows[$pos][$fld];

+ }

+

+ public function num_rows()

+ {

+ return $this->m_row_count;

+ }

+

+ public function seek($iRow)

+ {

+ $this->m_cursor = min($iRow, $this->m_row_count);

+ }

+

+ public function num_fields()

+ {

+ return $this->m_num_fields;

+ }

+

+ public function field_name($nr)

+ {

+ $arr_keys = array_keys($this->m_rows[0]);

+ return $arr_keys[$nr];

+ }

+

+ public function field_type($nr)

+ {

+ $i = 0;

+ $int_type = -1;

+ $str_type = '';

+

+ foreach ($this->m_field_meta as $meta)

+ {

+ if ($nr == $i)

+ {

+ $int_type = $meta['Type'];

+ break;

+ }

+ $i++;

+ }

+

+ //http://msdn.microsoft.com/en-us/library/cc296183.aspx contains type table

+ switch ($int_type)

+ {

+ case SQLSRV_SQLTYPE_BIGINT: $str_type = 'bigint'; break;

+ case SQLSRV_SQLTYPE_BINARY: $str_type = 'binary'; break;

+ case SQLSRV_SQLTYPE_BIT: $str_type = 'bit'; break;

+ case SQLSRV_SQLTYPE_CHAR: $str_type = 'char'; break;

+ case SQLSRV_SQLTYPE_DATETIME: $str_type = 'datetime'; break;

+ case SQLSRV_SQLTYPE_DECIMAL/*($precision, $scale)*/: $str_type = 'decimal'; break;

+ case SQLSRV_SQLTYPE_FLOAT: $str_type = 'float'; break;

+ case SQLSRV_SQLTYPE_IMAGE: $str_type = 'image'; break;

+ case SQLSRV_SQLTYPE_INT: $str_type = 'int'; break;

+ case SQLSRV_SQLTYPE_MONEY: $str_type = 'money'; break;

+ case SQLSRV_SQLTYPE_NCHAR/*($charCount)*/: $str_type = 'nchar'; break;

+ case SQLSRV_SQLTYPE_NUMERIC/*($precision, $scale)*/: $str_type = 'numeric'; break;

+ case SQLSRV_SQLTYPE_NVARCHAR/*($charCount)*/: $str_type = 'nvarchar'; break;

+ case SQLSRV_SQLTYPE_NTEXT: $str_type = 'ntext'; break;

+ case SQLSRV_SQLTYPE_REAL: $str_type = 'real'; break;

+ case SQLSRV_SQLTYPE_SMALLDATETIME: $str_type = 'smalldatetime'; break;

+ case SQLSRV_SQLTYPE_SMALLINT: $str_type = 'smallint'; break;

+ case SQLSRV_SQLTYPE_SMALLMONEY: $str_type = 'smallmoney'; break;

+ case SQLSRV_SQLTYPE_TEXT: $str_type = 'text'; break;

+ case SQLSRV_SQLTYPE_TIMESTAMP: $str_type = 'timestamp'; break;

+ case SQLSRV_SQLTYPE_TINYINT: $str_type = 'tinyint'; break;

+ case SQLSRV_SQLTYPE_UNIQUEIDENTIFIER: $str_type = 'uniqueidentifier'; break;

+ case SQLSRV_SQLTYPE_UDT: $str_type = 'UDT'; break;

+ case SQLSRV_SQLTYPE_VARBINARY/*($byteCount)*/: $str_type = 'varbinary'; break;

+ case SQLSRV_SQLTYPE_VARCHAR/*($charCount)*/: $str_type = 'varchar'; break;

+ case SQLSRV_SQLTYPE_XML: $str_type = 'xml'; break;

+ default: $str_type = $int_type;

+ }

+ return $str_type;

+ }

+

+ public function free()

+ {

+ unset($this->m_rows);

+ return;

+ }

+}

+

+/**

+* @package dbal

+*/

+class phpbb_db_driver_mssqlnative extends phpbb_db_driver

+{

+ var $m_insert_id = NULL;

+ var $last_query_text = '';

+ var $query_options = array();

+

+ /**

+ * Connect to server

+ */

+ function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false, $new_link = false)

+ {

+ # Test for driver support, to avoid suppressed fatal error

+ if (!function_exists('sqlsrv_connect'))

+ {

+ trigger_error('Native MS SQL Server driver for PHP is missing or needs to be updated. Version 1.1 or later is required to install phpBB3. You can download the driver from: http://www.microsoft.com/sqlserver/2005/en/us/PHP-Driver.aspx\n', E_USER_ERROR);

+ }

+

+ //set up connection variables

+ $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 : '');

+

+ //connect to database

+ error_reporting(E_ALL);

+ $this->db_connect_id = sqlsrv_connect($this->server, array(

+ 'Database' => $this->dbname,

+ 'UID' => $this->user,

+ 'PWD' => $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

+ * @param bool $use_cache If true, it is safe to retrieve the value from the cache

+ * @return string sql server version

+ */

+ function sql_server_info($raw = false, $use_cache = true)

+ {

+ global $cache;

+

+ if (!$use_cache || empty($cache) || ($this->sql_server_version = $cache->get('mssql_version')) === false)

+ {

+ $arr_server_info = sqlsrv_server_info($this->db_connect_id);

+ $this->sql_server_version = $arr_server_info['SQLServerVersion'];

+

+ if (!empty($cache) && $use_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';

+ }

+

+ /**

+ * {@inheritDoc}

+ */

+ public function sql_concatenate($expr1, $expr2)

+ {

+ return $expr1 . ' + ' . $expr2;

+ }

+

+ /**

+ * {@inheritDoc}

+ */

+ function sql_buffer_nested_transactions()

+ {

+ return true;

+ }

+

+ /**

+ * SQL Transaction

+ * @access private

+ */

+ function _sql_transaction($status = 'begin')

+ {

+ switch ($status)

+ {

+ case 'begin':

+ return sqlsrv_begin_transaction($this->db_connect_id);

+ break;

+

+ case 'commit':

+ return sqlsrv_commit($this->db_connect_id);

+ break;

+

+ case 'rollback':

+ return sqlsrv_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->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 (($this->query_result = @sqlsrv_query($this->db_connect_id, $query, array(), $this->query_options)) === false)

+ {

+ $this->sql_error($query);

+ }

+ // reset options for next query

+ $this->query_options = array();

+

+ 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;

+

+ // total == 0 means all results - not zero results

+ if ($offset == 0 && $total !== 0)

+ {

+ if (strpos($query, "SELECT") === false)

+ {

+ $query = "TOP {$total} " . $query;

+ }

+ else

+ {

+ $query = preg_replace('/SELECT(\s*DISTINCT)?/Dsi', 'SELECT$1 TOP '.$total, $query);

+ }

+ }

+ else if ($offset > 0)

+ {

+ $query = preg_replace('/SELECT(\s*DISTINCT)?/Dsi', 'SELECT$1 TOP(10000000) ', $query);

+ $query = 'SELECT *

+ FROM (SELECT sub2.*, ROW_NUMBER() OVER(ORDER BY sub2.line2) AS line3

+ FROM (SELECT 1 AS line2, sub1.* FROM (' . $query . ') AS sub1) as sub2) AS sub3';

+

+ if ($total > 0)

+ {

+ $query .= ' WHERE line3 BETWEEN ' . ($offset+1) . ' AND ' . ($offset + $total);

+ }

+ else

+ {

+ $query .= ' WHERE line3 > ' . $offset;

+ }

+ }

+

+ $result = $this->sql_query($query, $cache_ttl);

+

+ return $result;

+ }

+

+ /**

+ * Return number of affected rows

+ */

+ function sql_affectedrows()

+ {

+ return (!empty($this->query_result)) ? @sqlsrv_rows_affected($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)

+ {

+ return false;

+ }

+

+ $row = @sqlsrv_fetch_array($query_id, SQLSRV_FETCH_ASSOC);

+

+ if ($row)

+ {

+ foreach ($row as $key => $value)

+ {

+ $row[$key] = ($value === ' ' || $value === NULL) ? '' : $value;

+ }

+

+ // remove helper values from LIMIT queries

+ if (isset($row['line2']))

+ {

+ unset($row['line2'], $row['line3']);

+ }

+ }

+ return (sizeof($row)) ? $row : false;

+ }

+

+ /**

+ * Get last inserted id after insert statement

+ */

+ function sql_nextid()

+ {

+ $result_id = @sqlsrv_query($this->db_connect_id, 'SELECT @@IDENTITY');

+

+ if ($result_id !== false)

+ {

+ $row = @sqlsrv_fetch_array($result_id);

+ $id = $row[0];

+ @sqlsrv_free_stmt($result_id);

+ return $id;

+ }

+ else

+ {

+ 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 @sqlsrv_free_stmt($query_id);

+ }

+ return false;

+ }

+

+ /**

+ * Escape string used in sql query

+ */

+ function sql_escape($msg)

+ {

+ return str_replace(array("'", "\0"), array("''", ''), $msg);

+ }

+

+ /**

+ * {@inheritDoc}

+ */

+ function sql_lower_text($column_name)

+ {

+ return "LOWER(SUBSTRING($column_name, 1, DATALENGTH($column_name)))";

+ }

+

+ /**

+ * Build LIKE expression

+ * @access private

+ */

+ function _sql_like_expression($expression)

+ {

+ return $expression . " ESCAPE '\\'";

+ }

+

+ /**

+ * return sql error array

+ * @access private

+ */

+ function _sql_error()

+ {

+ $errors = @sqlsrv_errors(SQLSRV_ERR_ERRORS);

+ $error_message = '';

+ $code = 0;

+

+ if ($errors != null)

+ {

+ foreach ($errors as $error)

+ {

+ $error_message .= "SQLSTATE: ".$error[ 'SQLSTATE']."\n";

+ $error_message .= "code: ".$error[ 'code']."\n";

+ $code = $error['code'];

+ $error_message .= "message: ".$error[ 'message']."\n";

+ }

+ $this->last_error_result = $error_message;

+ $error = $this->last_error_result;

+ }

+ else

+ {

+ $error = (isset($this->last_error_result) && $this->last_error_result) ? $this->last_error_result : array();

+ }

+

+ return array(

+ 'message' => $error,

+ 'code' => $code,

+ );

+ }

+

+ /**

+ * Build db-specific query data

+ * @access private

+ */

+ function _sql_custom_build($stage, $data)

+ {

+ return $data;

+ }

+

+ /**

+ * Close sql connection

+ * @access private

+ */

+ function _sql_close()

+ {

+ return @sqlsrv_close($this->db_connect_id);

+ }

+

+ /**

+ * Build db-specific report

+ * @access private

+ */

+ function _sql_report($mode, $query = '')

+ {

+ switch ($mode)

+ {

+ case 'start':

+ $html_table = false;

+ @sqlsrv_query($this->db_connect_id, 'SET SHOWPLAN_TEXT ON;');

+ if ($result = @sqlsrv_query($this->db_connect_id, $query))

+ {

+ @sqlsrv_next_result($result);

+ while ($row = @sqlsrv_fetch_array($result))

+ {

+ $html_table = $this->sql_report('add_select_row', $query, $html_table, $row);

+ }

+ }

+ @sqlsrv_query($this->db_connect_id, 'SET SHOWPLAN_TEXT OFF;');

+ @sqlsrv_free_stmt($result);

+

+ if ($html_table)

+ {

+ $this->html_hold .= '</table>';

+ }

+ break;

+

+ case 'fromcache':

+ $endtime = explode(' ', microtime());

+ $endtime = $endtime[0] + $endtime[1];

+

+ $result = @sqlsrv_query($this->db_connect_id, $query);

+ while ($void = @sqlsrv_fetch_array($result))

+ {

+ // Take the time spent on parsing rows into account

+ }

+ @sqlsrv_free_stmt($result);

+

+ $splittime = explode(' ', microtime());

+ $splittime = $splittime[0] + $splittime[1];

+

+ $this->sql_report('record_fromcache', $query, $endtime, $splittime);

+

+ break;

+ }

+ }

+

+ /**

+ * Utility method used to retrieve number of rows

+ * Emulates mysql_num_rows

+ * Used in acp_database.php -> write_data_mssqlnative()

+ * Requires a static or keyset cursor to be definde via

+ * mssqlnative_set_query_options()

+ */

+ function mssqlnative_num_rows($res)

+ {

+ if ($res !== false)

+ {

+ return sqlsrv_num_rows($res);

+ }

+ else

+ {

+ return false;

+ }

+ }

+

+ /**

+ * Allows setting mssqlnative specific query options passed to sqlsrv_query as 4th parameter.

+ */

+ function mssqlnative_set_query_options($options)

+ {

+ $this->query_options = $options;

+ }

+}

+<?php

+/**

+*

+* @package dbal

+* @copyright (c) 2005 phpBB Group

+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2

+*

+*/

+

+/**

+* @ignore

+*/

+if (!defined('IN_PHPBB'))

+{

+ exit;

+}

+

+/**

+* MySQL4 Database Abstraction Layer

+* Compatible with:

+* MySQL 3.23+

+* MySQL 4.0+

+* MySQL 4.1+

+* MySQL 5.0+

+* @package dbal

+*/

+class phpbb_db_driver_mysql extends phpbb_db_driver

+{

+ 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, $sqlpassword) : @mysql_connect($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

+ * @param bool $use_cache If true, it is safe to retrieve the value from the cache

+ * @return string sql server version

+ */

+ function sql_server_info($raw = false, $use_cache = true)

+ {

+ global $cache;

+

+ if (!$use_cache || empty($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) && $use_cache)

+ {

+ $cache->put('mysql_version', $this->sql_server_version);

+ }

+ }

+

+ return ($raw) ? $this->sql_server_version : 'MySQL ' . $this->sql_server_version;

+ }

+

+ /**

+ * {@inheritDoc}

+ */

+ public function sql_concatenate($expr1, $expr2)

+ {

+ return 'CONCAT(' . $expr1 . ', ' . $expr2 . ')';

+ }

+

+ /**

+ * 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);

+ }

+

+ /**

+ * Gets the estimated number of rows in a specified table.

+ *

+ * @param string $table_name Table name

+ *

+ * @return string Number of rows in $table_name.

+ * Prefixed with ~ if estimated (otherwise exact).

+ *

+ * @access public

+ */

+ function get_estimated_row_count($table_name)

+ {

+ $table_status = $this->get_table_status($table_name);

+

+ if (isset($table_status['Engine']))

+ {

+ if ($table_status['Engine'] === 'MyISAM')

+ {

+ return $table_status['Rows'];

+ }

+ else if ($table_status['Engine'] === 'InnoDB' && $table_status['Rows'] > 100000)

+ {

+ return '~' . $table_status['Rows'];

+ }

+ }

+

+ return parent::get_row_count($table_name);

+ }

+

+ /**

+ * Gets the exact number of rows in a specified table.

+ *

+ * @param string $table_name Table name

+ *

+ * @return string Exact number of rows in $table_name.

+ *

+ * @access public

+ */

+ function get_row_count($table_name)

+ {

+ $table_status = $this->get_table_status($table_name);

+

+ if (isset($table_status['Engine']) && $table_status['Engine'] === 'MyISAM')

+ {

+ return $table_status['Rows'];

+ }

+

+ return parent::get_row_count($table_name);

+ }

+

+ /**

+ * Gets some information about the specified table.

+ *

+ * @param string $table_name Table name

+ *

+ * @return array

+ *

+ * @access protected

+ */

+ function get_table_status($table_name)

+ {

+ $sql = "SHOW TABLE STATUS

+ LIKE '" . $this->sql_escape($table_name) . "'";

+ $result = $this->sql_query($sql);

+ $table_status = $this->sql_fetchrow($result);

+ $this->sql_freeresult($result);

+

+ return $table_status;

+ }

+

+ /**

+ * 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;

+ }

+ }

+}

+<?php

+/**

+*

+* @package dbal

+* @copyright (c) 2005 phpBB Group

+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2

+*

+*/

+

+/**

+* @ignore

+*/

+if (!defined('IN_PHPBB'))

+{

+ exit;

+}

+

+/**

+* MySQLi Database Abstraction Layer

+* mysqli-extension has to be compiled with:

+* MySQL 4.1+ or MySQL 5.0+

+* @package dbal

+*/

+class phpbb_db_driver_mysqli extends phpbb_db_driver

+{

+ var $multi_insert = true;

+

+ /**

+ * Connect to server

+ */

+ function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false , $new_link = false)

+ {

+ // Mysqli extension supports persistent connection since PHP 5.3.0

+ $this->persistency = (version_compare(PHP_VERSION, '5.3.0', '>=')) ? $persistency : false;

+ $this->user = $sqluser;

+

+ // If persistent connection, set dbhost to localhost when empty and prepend it with 'p:' prefix

+ $this->server = ($this->persistency) ? 'p:' . (($sqlserver) ? $sqlserver : 'localhost') : $sqlserver;

+

+ $this->dbname = $database;

+ $port = (!$port) ? NULL : $port;

+

+ // If port is set and it is not numeric, most likely mysqli socket is set.

+ // Try to map it to the $socket parameter.

+ $socket = NULL;

+ if ($port)

+ {

+ if (is_numeric($port))

+ {

+ $port = (int) $port;

+ }

+ else

+ {

+ $socket = $port;

+ $port = NULL;

+ }

+ }

+

+ $this->db_connect_id = @mysqli_connect($this->server, $this->user, $sqlpassword, $this->dbname, $port, $socket);

+

+ 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 $use_cache If true, it is safe to retrieve the value from the cache

+ * @return string sql server version

+ */

+ function sql_server_info($raw = false, $use_cache = true)

+ {

+ global $cache;

+

+ if (!$use_cache || empty($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) && $use_cache)

+ {

+ $cache->put('mysqli_version', $this->sql_server_version);

+ }

+ }

+

+ return ($raw) ? $this->sql_server_version : 'MySQL(i) ' . $this->sql_server_version;

+ }

+

+ /**

+ * {@inheritDoc}

+ */

+ public function sql_concatenate($expr1, $expr2)

+ {

+ return 'CONCAT(' . $expr1 . ', ' . $expr2 . ')';

+ }

+

+ /**

+ * 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);

+ }

+

+ if ($query_id !== false)

+ {

+ $result = @mysqli_fetch_assoc($query_id);

+ return $result !== null ? $result : false;

+ }

+

+ 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 (!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);

+ }

+

+ /**

+ * Gets the estimated number of rows in a specified table.

+ *

+ * @param string $table_name Table name

+ *

+ * @return string Number of rows in $table_name.

+ * Prefixed with ~ if estimated (otherwise exact).

+ *

+ * @access public

+ */

+ function get_estimated_row_count($table_name)

+ {

+ $table_status = $this->get_table_status($table_name);

+

+ if (isset($table_status['Engine']))

+ {

+ if ($table_status['Engine'] === 'MyISAM')

+ {

+ return $table_status['Rows'];

+ }

+ else if ($table_status['Engine'] === 'InnoDB' && $table_status['Rows'] > 100000)

+ {

+ return '~' . $table_status['Rows'];

+ }

+ }

+

+ return parent::get_row_count($table_name);

+ }

+

+ /**

+ * Gets the exact number of rows in a specified table.

+ *

+ * @param string $table_name Table name

+ *

+ * @return string Exact number of rows in $table_name.

+ *

+ * @access public

+ */

+ function get_row_count($table_name)

+ {

+ $table_status = $this->get_table_status($table_name);

+

+ if (isset($table_status['Engine']) && $table_status['Engine'] === 'MyISAM')

+ {

+ return $table_status['Rows'];

+ }

+

+ return parent::get_row_count($table_name);

+ }

+

+ /**

+ * Gets some information about the specified table.

+ *

+ * @param string $table_name Table name

+ *

+ * @return array

+ *

+ * @access protected

+ */

+ function get_table_status($table_name)

+ {

+ $sql = "SHOW TABLE STATUS

+ LIKE '" . $this->sql_escape($table_name) . "'";

+ $result = $this->sql_query($sql);

+ $table_status = $this->sql_fetchrow($result);

+ $this->sql_freeresult($result);

+

+ return $table_status;

+ }

+

+ /**

+ * 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;

+ }

+ }

+}

+<?php

+/**

+*

+* @package dbal

+* @copyright (c) 2005 phpBB Group

+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2

+*

+*/

+

+/**

+* @ignore

+*/

+if (!defined('IN_PHPBB'))

+{

+ exit;

+}

+

+/**

+* Oracle Database Abstraction Layer

+* @package dbal

+*/

+class phpbb_db_driver_oracle extends phpbb_db_driver

+{

+ 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

+ * @param bool $use_cache forced to false for Oracle

+ * @return string sql server version

+ */

+ function sql_server_info($raw = false, $use_cache = true)

+ {

+ /**

+ * force $use_cache false. I didn't research why the caching code below is commented out

+ * but I assume its because the Oracle extension provides a direct method to access it

+ * without a query.

+ */

+

+ $use_cache = 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*(?:(=|<[=>]?|>=?|LIKE)\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);

+

+/* The code inside this comment block breaks clob handling, but does allow the

+ database restore script to work. If you want to allow no posts longer than 4KB

+ and/or need the db restore script, uncomment this.

+

+

+ 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 : '');

+ }

+

+ function _sql_bit_or($column_name, $bit, $compare = '')

+ {

+ return 'BITOR(' . $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;

+ }

+ }

+}

+<?php

+/**

+*

+* @package dbal

+* @copyright (c) 2005 phpBB Group

+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2

+*

+*/

+

+/**

+* @ignore

+*/

+if (!defined('IN_PHPBB'))

+{

+ exit;

+}

+

+/**

+* PostgreSQL Database Abstraction Layer

+* Minimum Requirement is Version 7.3+

+* @package dbal

+*/

+class phpbb_db_driver_postgres extends phpbb_db_driver

+{

+ var $last_query_text = '';

+ var $connect_error = '';

+

+ /**

+ * 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)

+ {

+ // $sqlserver can carry a port separated by : for compatibility reasons

+ // If $sqlserver has more than one : it's probably an IPv6 address.

+ // In this case we only allow passing a port via the $port variable.

+ if (substr_count($sqlserver, ':') === 1)

+ {

+ 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;

+

+ if ($this->persistency)

+ {

+ if (!function_exists('pg_pconnect'))

+ {

+ $this->connect_error = 'pg_pconnect function does not exist, is pgsql extension installed?';

+ return $this->sql_error('');

+ }

+ $collector = new phpbb_error_collector;

+ $collector->install();

+ $this->db_connect_id = (!$new_link) ? @pg_pconnect($connect_string) : @pg_pconnect($connect_string, PGSQL_CONNECT_FORCE_NEW);

+ }

+ else

+ {

+ if (!function_exists('pg_connect'))

+ {

+ $this->connect_error = 'pg_connect function does not exist, is pgsql extension installed?';

+ return $this->sql_error('');

+ }

+ $collector = new phpbb_error_collector;

+ $collector->install();

+ $this->db_connect_id = (!$new_link) ? @pg_connect($connect_string) : @pg_connect($connect_string, PGSQL_CONNECT_FORCE_NEW);

+ }

+

+ $collector->uninstall();

+

+ 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;

+ }

+

+ $this->connect_error = $collector->format_errors();

+ return $this->sql_error('');

+ }

+

+ /**

+ * Version information about used database

+ * @param bool $raw if true, only return the fetched sql_server_version

+ * @param bool $use_cache If true, it is safe to retrieve the value from the cache

+ * @return string sql server version

+ */

+ function sql_server_info($raw = false, $use_cache = true)

+ {

+ global $cache;

+

+ if (!$use_cache || empty($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) && $use_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;

+ }

+

+ /**

+ * @inheritdoc

+ */

+ function cast_expr_to_bigint($expression)

+ {

+ return 'CAST(' . $expression . ' as DECIMAL(255, 0))';

+ }

+

+ /**

+ * @inheritdoc

+ */

+ function cast_expr_to_string($expression)

+ {

+ return 'CAST(' . $expression . ' as VARCHAR(255))';

+ }

+

+ /**

+ * return sql error array

+ * @access private

+ */

+ function _sql_error()

+ {

+ // pg_last_error only works when there is an established connection.

+ // Connection errors have to be tracked by us manually.

+ if ($this->db_connect_id)

+ {

+ $message = @pg_last_error($this->db_connect_id);

+ }

+ else

+ {

+ $message = $this->connect_error;

+ }

+

+ return array(

+ 'message' => $message,

+ '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;

+ }

+ }

+}

+<?php

+/**

+*

+* @package dbal

+* @copyright (c) 2005 phpBB Group

+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2

+*

+*/

+

+/**

+* @ignore

+*/

+if (!defined('IN_PHPBB'))

+{

+ exit;

+}

+

+/**

+* Sqlite Database Abstraction Layer

+* Minimum Requirement: 2.8.2+

+* @package dbal

+*/

+class phpbb_db_driver_sqlite extends phpbb_db_driver

+{

+ /**

+ * 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

+ * @param bool $use_cache if true, it is safe to retrieve the stored value from the cache

+ * @return string sql server version

+ */

+ function sql_server_info($raw = false, $use_cache = true)

+ {

+ global $cache;

+

+ if (!$use_cache || empty($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;

+

+ if (!empty($cache) && $use_cache)

+ {

+ $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;

+ }

+ }

+}

+* @copyright (c) 2012 phpBB Group

+class dbal_firebird extends phpbb_db_driver_firebird {

+* @copyright (c) 2012 phpBB Group