From 7030578bbe9e11c18b5becaf8b06e670e3c2e3cd Mon Sep 17 00:00:00 2001
From: Nils Adermann <naderman@naderman.de>
Date: Sun, 14 Jul 2013 01:32:34 -0400
Subject: [ticket/11698] Moving all autoloadable files to phpbb/
PHPBB3-11698
---
phpBB/phpbb/db/driver/driver.php | 1044 +++++++++++++++++++++++++++++++++
phpBB/phpbb/db/driver/firebird.php | 538 +++++++++++++++++
phpBB/phpbb/db/driver/mssql.php | 472 +++++++++++++++
phpBB/phpbb/db/driver/mssql_base.php | 65 ++
phpBB/phpbb/db/driver/mssql_odbc.php | 383 ++++++++++++
phpBB/phpbb/db/driver/mssqlnative.php | 613 +++++++++++++++++++
phpBB/phpbb/db/driver/mysql.php | 472 +++++++++++++++
phpBB/phpbb/db/driver/mysql_base.php | 145 +++++
phpBB/phpbb/db/driver/mysqli.php | 463 +++++++++++++++
phpBB/phpbb/db/driver/oracle.php | 803 +++++++++++++++++++++++++
phpBB/phpbb/db/driver/postgres.php | 491 ++++++++++++++++
phpBB/phpbb/db/driver/sqlite.php | 365 ++++++++++++
12 files changed, 5854 insertions(+)
create mode 100644 phpBB/phpbb/db/driver/driver.php
create mode 100644 phpBB/phpbb/db/driver/firebird.php
create mode 100644 phpBB/phpbb/db/driver/mssql.php
create mode 100644 phpBB/phpbb/db/driver/mssql_base.php
create mode 100644 phpBB/phpbb/db/driver/mssql_odbc.php
create mode 100644 phpBB/phpbb/db/driver/mssqlnative.php
create mode 100644 phpBB/phpbb/db/driver/mysql.php
create mode 100644 phpBB/phpbb/db/driver/mysql_base.php
create mode 100644 phpBB/phpbb/db/driver/mysqli.php
create mode 100644 phpBB/phpbb/db/driver/oracle.php
create mode 100644 phpBB/phpbb/db/driver/postgres.php
create mode 100644 phpBB/phpbb/db/driver/sqlite.php
(limited to 'phpBB/phpbb/db/driver')
diff --git a/phpBB/phpbb/db/driver/driver.php b/phpBB/phpbb/db/driver/driver.php
new file mode 100644
index 0000000000..08c966c07a
--- /dev/null
+++ b/phpBB/phpbb/db/driver/driver.php
@@ -0,0 +1,1044 @@
+<?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), strlen('phpbb_db_driver_'));
+
+ // 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 = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($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, $query_id);
+ }
+
+ if ($cache && !is_object($query_id) && $cache->sql_exists($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'] . ' [' . $this->sql_error_returned['code'] . ']';
+
+ // Show complete SQL error and path to administrators only
+ // Additionally show complete error on installation or if extended debug mode is enabled
+ // The DEBUG constant is for development only!
+ if ((isset($auth) && $auth->acl_get('a_')) || defined('IN_INSTALL') || defined('DEBUG'))
+ {
+ $message .= ($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, $phpbb_admin_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] - $starttime;
+
+ echo '<!DOCTYPE html>
+ <html dir="ltr">
+ <head>
+ <meta charset="utf-8">
+ <title>SQL Report</title>
+ <link href="' . htmlspecialchars($phpbb_admin_path) . '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="https://www.phpbb.com/">phpBB</a>® Forum Software © 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)) : ' ') . '</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 : ' ') . '</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;
+ }
+}
diff --git a/phpBB/phpbb/db/driver/firebird.php b/phpBB/phpbb/db/driver/firebird.php
new file mode 100644
index 0000000000..787c28b812
--- /dev/null
+++ b/phpBB/phpbb/db/driver/firebird.php
@@ -0,0 +1,538 @@
+<?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'))
+ {
+ $this->sql_report('start', $query);
+ }
+
+ $this->last_query_text = $query;
+ $this->query_result = ($cache && $cache_ttl) ? $cache->sql_load($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'))
+ {
+ $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 && $cache_ttl)
+ {
+ $this->open_queries[(int) $this->query_result] = $this->query_result;
+ $this->query_result = $cache->sql_save($this, $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'))
+ {
+ $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 = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($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 = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($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;
+ }
+ }
+}
diff --git a/phpBB/phpbb/db/driver/mssql.php b/phpBB/phpbb/db/driver/mssql.php
new file mode 100644
index 0000000000..89c2c2351b
--- /dev/null
+++ b/phpBB/phpbb/db/driver/mssql.php
@@ -0,0 +1,472 @@
+<?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
+{
+ var $connect_error = '';
+
+ /**
+ * Connect to server
+ */
+ function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false, $new_link = false)
+ {
+ if (!function_exists('mssql_connect'))
+ {
+ $this->connect_error = 'mssql_connect function does not exist, is mssql extension installed?';
+ return $this->sql_error('');
+ }
+
+ $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'))
+ {
+ $this->sql_report('start', $query);
+ }
+
+ $this->query_result = ($cache && $cache_ttl) ? $cache->sql_load($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'))
+ {
+ $this->sql_report('stop', $query);
+ }
+
+ if ($cache && $cache_ttl)
+ {
+ $this->open_queries[(int) $this->query_result] = $this->query_result;
+ $this->query_result = $cache->sql_save($this, $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'))
+ {
+ $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 = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($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 = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($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 = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($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()
+ {
+ if (function_exists('mssql_get_last_message'))
+ {
+ $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);
+ }
+ }
+ else
+ {
+ $error = array(
+ 'message' => $this->connect_error,
+ 'code' => '',
+ );
+ }
+
+ 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, $splittime);
+
+ break;
+ }
+ }
+}
diff --git a/phpBB/phpbb/db/driver/mssql_base.php b/phpBB/phpbb/db/driver/mssql_base.php
new file mode 100644
index 0000000000..56c111c871
--- /dev/null
+++ b/phpBB/phpbb/db/driver/mssql_base.php
@@ -0,0 +1,65 @@
+<?php
+/**
+*
+* @package dbal
+* @copyright (c) 2013 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('IN_PHPBB'))
+{
+ exit;
+}
+
+/**
+* MSSQL Database Base Abstraction Layer
+* @package dbal
+ */
+abstract class phpbb_db_driver_mssql_base extends phpbb_db_driver
+{
+ /**
+ * {@inheritDoc}
+ */
+ public function sql_concatenate($expr1, $expr2)
+ {
+ return $expr1 . ' + ' . $expr2;
+ }
+
+ /**
+ * Escape string used in sql query
+ */
+ function sql_escape($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;
+ }
+}
diff --git a/phpBB/phpbb/db/driver/mssql_odbc.php b/phpBB/phpbb/db/driver/mssql_odbc.php
new file mode 100644
index 0000000000..a1d1a5d5dd
--- /dev/null
+++ b/phpBB/phpbb/db/driver/mssql_odbc.php
@@ -0,0 +1,383 @@
+<?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_mssql_base
+{
+ var $last_query_text = '';
+ 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->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', $max_size);
+ }
+
+ if ($this->persistency)
+ {
+ if (!function_exists('odbc_pconnect'))
+ {
+ $this->connect_error = 'odbc_pconnect function does not exist, is odbc extension installed?';
+ return $this->sql_error('');
+ }
+ $this->db_connect_id = @odbc_pconnect($this->server, $this->user, $sqlpassword);
+ }
+ else
+ {
+ if (!function_exists('odbc_connect'))
+ {
+ $this->connect_error = 'odbc_connect function does not exist, is odbc extension installed?';
+ return $this->sql_error('');
+ }
+ $this->db_connect_id = @odbc_connect($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 />' . $this->sql_server_version : 'MSSQL (ODBC)';
+ }
+
+ /**
+ * SQL Transaction
+ * @access private
+ */
+ function _sql_transaction($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'))
+ {
+ $this->sql_report('start', $query);
+ }
+
+ $this->last_query_text = $query;
+ $this->query_result = ($cache && $cache_ttl) ? $cache->sql_load($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'))
+ {
+ $this->sql_report('stop', $query);
+ }
+
+ if ($cache && $cache_ttl)
+ {
+ $this->open_queries[(int) $this->query_result] = $this->query_result;
+ $this->query_result = $cache->sql_save($this, $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'))
+ {
+ $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)
+ {
+ global $cache;
+
+ if ($query_id === false)
+ {
+ $query_id = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($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 = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($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;
+ }
+
+ /**
+ * return sql error array
+ * @access private
+ */
+ function _sql_error()
+ {
+ if (function_exists('odbc_errormsg'))
+ {
+ $error = array(
+ 'message' => @odbc_errormsg(),
+ 'code' => @odbc_error(),
+ );
+ }
+ else
+ {
+ $error = array(
+ 'message' => $this->connect_error,
+ 'code' => '',
+ );
+ }
+
+ return $error;
+ }
+
+ /**
+ * Close sql connection
+ * @access private
+ */
+ function _sql_close()
+ {
+ return @odbc_close($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, $splittime);
+
+ break;
+ }
+ }
+}
diff --git a/phpBB/phpbb/db/driver/mssqlnative.php b/phpBB/phpbb/db/driver/mssqlnative.php
new file mode 100644
index 0000000000..28fc88298a
--- /dev/null
+++ b/phpBB/phpbb/db/driver/mssqlnative.php
@@ -0,0 +1,613 @@
+<?php
+/**
+*
+* @package dbal
+* @copyright (c) 2010 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+* This is the MS SQL Server Native database abstraction layer.
+* PHP mssql native driver required.
+* @author Chris Pucci
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('IN_PHPBB'))
+{
+ exit;
+}
+
+/**
+ * Prior to version 1.1 the SQL Server Native PHP driver didn't support sqlsrv_num_rows, or cursor based seeking so we recall all rows into an array
+ * and maintain our own cursor index into that array.
+ */
+class result_mssqlnative
+{
+ public function result_mssqlnative($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_mssql_base
+{
+ var $m_insert_id = NULL;
+ var $last_query_text = '';
+ var $query_options = array();
+ var $connect_error = '';
+
+ /**
+ * Connect to server
+ */
+ function sql_connect($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'))
+ {
+ $this->connect_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';
+ return $this->sql_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
+ $this->db_connect_id = sqlsrv_connect($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 />' . $this->sql_server_version : 'MSSQL';
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ function sql_buffer_nested_transactions()
+ {
+ return true;
+ }
+
+ /**
+ * SQL Transaction
+ * @access private
+ */
+ function _sql_transaction($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'))
+ {
+ $this->sql_report('start', $query);
+ }
+
+ $this->last_query_text = $query;
+ $this->query_result = ($cache && $cache_ttl) ? $cache->sql_load($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'))
+ {
+ $this->sql_report('stop', $query);
+ }
+
+ if ($cache && $cache_ttl)
+ {
+ $this->open_queries[(int) $this->query_result] = $this->query_result;
+ $this->query_result = $cache->sql_save($this, $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'))
+ {
+ $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 $result;
+ }
+
+ /**
+ * Return number of affected rows
+ */
+ function sql_affectedrows()
+ {
+ return ($this->db_connect_id) ? @sqlsrv_rows_affected($this->query_result) : false;
+ }
+
+ /**
+ * Fetch current row
+ */
+ function sql_fetchrow($query_id = false)
+ {
+ global $cache;
+
+ if ($query_id === false)
+ {
+ $query_id = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($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 = $this->query_result;
+ }
+
+ if ($cache->sql_exists($query_id))
+ {
+ return $cache->sql_freeresult($query_id);
+ }
+
+ if (isset($this->open_queries[(int) $query_id]))
+ {
+ unset($this->open_queries[(int) $query_id]);
+ return @sqlsrv_free_stmt($query_id);
+ }
+ return false;
+ }
+
+ /**
+ * return sql error array
+ * @access private
+ */
+ function _sql_error()
+ {
+ if (function_exists('sqlsrv_errors'))
+ {
+ $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();
+ }
+
+ $error = array(
+ 'message' => $error,
+ 'code' => $code,
+ );
+ }
+ else
+ {
+ $error = array(
+ 'message' => $this->connect_error,
+ 'code' => '',
+ );
+ }
+
+ return $error;
+ }
+
+ /**
+ * Close sql connection
+ * @access private
+ */
+ function _sql_close()
+ {
+ return @sqlsrv_close($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;
+ }
+}
diff --git a/phpBB/phpbb/db/driver/mysql.php b/phpBB/phpbb/db/driver/mysql.php
new file mode 100644
index 0000000000..f3744ac09d
--- /dev/null
+++ b/phpBB/phpbb/db/driver/mysql.php
@@ -0,0 +1,472 @@
+<?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_mysql_base
+{
+ var $multi_insert = true;
+ var $connect_error = '';
+
+ /**
+ * Connect to server
+ * @access public
+ */
+ function sql_connect($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;
+
+ $this->sql_layer = 'mysql4';
+
+ if ($this->persistency)
+ {
+ if (!function_exists('mysql_pconnect'))
+ {
+ $this->connect_error = 'mysql_pconnect function does not exist, is mysql extension installed?';
+ return $this->sql_error('');
+ }
+ $this->db_connect_id = @mysql_pconnect($this->server, $this->user, $sqlpassword);
+ }
+ else
+ {
+ if (!function_exists('mysql_connect'))
+ {
+ $this->connect_error = 'mysql_connect function does not exist, is mysql extension installed?';
+ return $this->sql_error('');
+ }
+ $this->db_connect_id = @mysql_connect($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 ' . $this->sql_server_version;
+ }
+
+ /**
+ * SQL Transaction
+ * @access private
+ */
+ function _sql_transaction($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'))
+ {
+ $this->sql_report('start', $query);
+ }
+
+ $this->query_result = ($cache && $cache_ttl) ? $cache->sql_load($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'))
+ {
+ $this->sql_report('stop', $query);
+ }
+
+ if ($cache && $cache_ttl)
+ {
+ $this->open_queries[(int) $this->query_result] = $this->query_result;
+ $this->query_result = $cache->sql_save($this, $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'))
+ {
+ $this->sql_report('fromcache', $query);
+ }
+ }
+ else
+ {
+ return false;
+ }
+
+ return $this->query_result;
+ }
+
+ /**
+ * Return number of affected rows
+ */
+ function sql_affectedrows()
+ {
+ return ($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 = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($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 = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($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 = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($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, $this->db_connect_id);
+ }
+
+ /**
+ * return sql error array
+ * @access private
+ */
+ function _sql_error()
+ {
+ if ($this->db_connect_id)
+ {
+ $error = array(
+ 'message' => @mysql_error($this->db_connect_id),
+ 'code' => @mysql_errno($this->db_connect_id),
+ );
+ }
+ else if (function_exists('mysql_error'))
+ {
+ $error = array(
+ 'message' => @mysql_error(),
+ 'code' => @mysql_errno(),
+ );
+ }
+ else
+ {
+ $error = array(
+ 'message' => $this->connect_error,
+ 'code' => '',
+ );
+ }
+
+ return $error;
+ }
+
+ /**
+ * Close sql connection
+ * @access private
+ */
+ function _sql_close()
+ {
+ return @mysql_close($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('<', '>'), $row['Source_function']);
+ }
+
+ // remove unsupported features
+ foreach ($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, $splittime);
+
+ break;
+ }
+ }
+}
diff --git a/phpBB/phpbb/db/driver/mysql_base.php b/phpBB/phpbb/db/driver/mysql_base.php
new file mode 100644
index 0000000000..ba44ea61aa
--- /dev/null
+++ b/phpBB/phpbb/db/driver/mysql_base.php
@@ -0,0 +1,145 @@
+<?php
+/**
+*
+* @package dbal
+* @copyright (c) 2013 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('IN_PHPBB'))
+{
+ exit;
+}
+
+/**
+* Abstract MySQL Database Base Abstraction Layer
+* @package dbal
+*/
+abstract class phpbb_db_driver_mysql_base extends phpbb_db_driver
+{
+ /**
+ * {@inheritDoc}
+ */
+ public function sql_concatenate($expr1, $expr2)
+ {
+ return 'CONCAT(' . $expr1 . ', ' . $expr2 . ')';
+ }
+
+ /**
+ * Build LIMIT query
+ */
+ function _sql_query_limit($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);
+ }
+
+ /**
+ * 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;
+ }
+}
diff --git a/phpBB/phpbb/db/driver/mysqli.php b/phpBB/phpbb/db/driver/mysqli.php
new file mode 100644
index 0000000000..0f7a73ee6e
--- /dev/null
+++ b/phpBB/phpbb/db/driver/mysqli.php
@@ -0,0 +1,463 @@
+<?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_mysql_base
+{
+ var $multi_insert = true;
+ var $connect_error = '';
+
+ /**
+ * Connect to server
+ */
+ function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false , $new_link = false)
+ {
+ if (!function_exists('mysqli_connect'))
+ {
+ $this->connect_error = 'mysqli_connect function does not exist, is mysqli extension installed?';
+ return $this->sql_error('');
+ }
+
+ // 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 $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('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) ' . $this->sql_server_version;
+ }
+
+ /**
+ * SQL Transaction
+ * @access private
+ */
+ function _sql_transaction($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'))
+ {
+ $this->sql_report('start', $query);
+ }
+
+ $this->query_result = ($cache && $cache_ttl) ? $cache->sql_load($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'))
+ {
+ $this->sql_report('stop', $query);
+ }
+
+ if ($cache && $cache_ttl)
+ {
+ $this->query_result = $cache->sql_save($this, $query, $this->query_result, $cache_ttl);
+ }
+ }
+ else if (defined('DEBUG'))
+ {
+ $this->sql_report('fromcache', $query);
+ }
+ }
+ else
+ {
+ return false;
+ }
+
+ return $this->query_result;
+ }
+
+ /**
+ * Return number of affected rows
+ */
+ function sql_affectedrows()
+ {
+ return ($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 = $this->query_result;
+ }
+
+ if ($cache && !is_object($query_id) && $cache->sql_exists($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 = $this->query_result;
+ }
+
+ if ($cache && !is_object($query_id) && $cache->sql_exists($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 = $this->query_result;
+ }
+
+ if ($cache && !is_object($query_id) && $cache->sql_exists($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, $msg);
+ }
+
+ /**
+ * return sql error array
+ * @access private
+ */
+ function _sql_error()
+ {
+ if ($this->db_connect_id)
+ {
+ $error = array(
+ 'message' => @mysqli_error($this->db_connect_id),
+ 'code' => @mysqli_errno($this->db_connect_id)
+ );
+ }
+ else if (function_exists('mysqli_connect_error'))
+ {
+ $error = array(
+ 'message' => @mysqli_connect_error(),
+ 'code' => @mysqli_connect_errno(),
+ );
+ }
+ else
+ {
+ $error = array(
+ 'message' => $this->connect_error,
+ 'code' => '',
+ );
+ }
+
+ return $error;
+ }
+
+ /**
+ * Close sql connection
+ * @access private
+ */
+ function _sql_close()
+ {
+ return @mysqli_close($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('<', '>'), $row['Source_function']);
+ }
+
+ // remove unsupported features
+ foreach ($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;
+ }
+ }
+}
diff --git a/phpBB/phpbb/db/driver/oracle.php b/phpBB/phpbb/db/driver/oracle.php
new file mode 100644
index 0000000000..e21e07055d
--- /dev/null
+++ b/phpBB/phpbb/db/driver/oracle.php
@@ -0,0 +1,803 @@
+<?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 = '';
+ 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 = $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 : '') . '/' . $database;
+ }
+
+ if ($new_link)
+ {
+ if (!function_exists('ocinlogon'))
+ {
+ $this->connect_error = 'ocinlogon function does not exist, is oci extension installed?';
+ return $this->sql_error('');
+ }
+ $this->db_connect_id = @ocinlogon($this->user, $sqlpassword, $connect, 'UTF8');
+ }
+ else if ($this->persistency)
+ {
+ if (!function_exists('ociplogon'))
+ {
+ $this->connect_error = 'ociplogon function does not exist, is oci extension installed?';
+ return $this->sql_error('');
+ }
+ $this->db_connect_id = @ociplogon($this->user, $sqlpassword, $connect, 'UTF8');
+ }
+ else
+ {
+ if (!function_exists('ocilogon'))
+ {
+ $this->connect_error = 'ocilogon function does not exist, is oci extension installed?';
+ return $this->sql_error('');
+ }
+ $this->db_connect_id = @ocilogon($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'))
+ {
+ $this->sql_report('start', $query);
+ }
+
+ $this->last_query_text = $query;
+ $this->query_result = ($cache && $cache_ttl) ? $cache->sql_load($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'))
+ {
+ $this->sql_report('stop', $query);
+ }
+
+ if ($cache && $cache_ttl)
+ {
+ $this->open_queries[(int) $this->query_result] = $this->query_result;
+ $this->query_result = $cache->sql_save($this, $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'))
+ {
+ $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 = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($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 = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($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 = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($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()
+ {
+ if (function_exists('ocierror'))
+ {
+ $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();
+ }
+ }
+ else
+ {
+ $error = array(
+ 'message' => $this->connect_error,
+ 'code' => '',
+ );
+ }
+
+ 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;
+ }
+ }
+}
diff --git a/phpBB/phpbb/db/driver/postgres.php b/phpBB/phpbb/db/driver/postgres.php
new file mode 100644
index 0000000000..14854d179d
--- /dev/null
+++ b/phpBB/phpbb/db/driver/postgres.php
@@ -0,0 +1,491 @@
+<?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'))
+ {
+ $this->sql_report('start', $query);
+ }
+
+ $this->last_query_text = $query;
+ $this->query_result = ($cache && $cache_ttl) ? $cache->sql_load($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'))
+ {
+ $this->sql_report('stop', $query);
+ }
+
+ if ($cache && $cache_ttl)
+ {
+ $this->open_queries[(int) $this->query_result] = $this->query_result;
+ $this->query_result = $cache->sql_save($this, $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'))
+ {
+ $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 = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($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 = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($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 = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($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;
+ }
+ }
+}
diff --git a/phpBB/phpbb/db/driver/sqlite.php b/phpBB/phpbb/db/driver/sqlite.php
new file mode 100644
index 0000000000..7188f0daa2
--- /dev/null
+++ b/phpBB/phpbb/db/driver/sqlite.php
@@ -0,0 +1,365 @@
+<?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
+{
+ 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 = $database;
+
+ $error = '';
+ if ($this->persistency)
+ {
+ if (!function_exists('sqlite_popen'))
+ {
+ $this->connect_error = 'sqlite_popen function does not exist, is sqlite extension installed?';
+ return $this->sql_error('');
+ }
+ $this->db_connect_id = @sqlite_popen($this->server, 0666, $error);
+ }
+ else
+ {
+ if (!function_exists('sqlite_open'))
+ {
+ $this->connect_error = 'sqlite_open function does not exist, is sqlite extension installed?';
+ return $this->sql_error('');
+ }
+ $this->db_connect_id = @sqlite_open($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'))
+ {
+ $this->sql_report('start', $query);
+ }
+
+ $this->query_result = ($cache && $cache_ttl) ? $cache->sql_load($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'))
+ {
+ $this->sql_report('stop', $query);
+ }
+
+ if ($cache && $cache_ttl)
+ {
+ $this->open_queries[(int) $this->query_result] = $this->query_result;
+ $this->query_result = $cache->sql_save($this, $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'))
+ {
+ $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 = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($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 = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($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 = $this->query_result;
+ }
+
+ if ($cache && $cache->sql_exists($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()
+ {
+ if (function_exists('sqlite_error_string'))
+ {
+ $error = array(
+ 'message' => @sqlite_error_string(@sqlite_last_error($this->db_connect_id)),
+ 'code' => @sqlite_last_error($this->db_connect_id),
+ );
+ }
+ else
+ {
+ $error = array(
+ 'message' => $this->connect_error,
+ 'code' => '',
+ );
+ }
+
+ return $error;
+ }
+
+ /**
+ * Build db-specific query data
+ * @access private
+ */
+ function _sql_custom_build($stage, $data)
+ {
+ return $data;
+ }
+
+ /**
+ * Close sql connection
+ * @access private
+ */
+ function _sql_close()
+ {
+ return @sqlite_close($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;
+ }
+ }
+}
--
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