diff options
Diffstat (limited to 'phpBB/includes/db/mysqli.php')
| -rw-r--r-- | phpBB/includes/db/mysqli.php | 581 |
1 files changed, 0 insertions, 581 deletions
diff --git a/phpBB/includes/db/mysqli.php b/phpBB/includes/db/mysqli.php deleted file mode 100644 index 69f1d26a40..0000000000 --- a/phpBB/includes/db/mysqli.php +++ /dev/null @@ -1,581 +0,0 @@ -<?php -/** -* -* @package dbal -* @version $Id$ -* @copyright (c) 2005 phpBB Group -* @license http://opensource.org/licenses/gpl-license.php GNU Public License -* -*/ - -/** -* @ignore -*/ -if (!defined('IN_PHPBB')) -{ - exit; -} - -include_once($phpbb_root_path . 'includes/db/dbal.' . $phpEx); - -/** -* MySQLi Database Abstraction Layer -* mysqli-extension has to be compiled with: -* MySQL 4.1+ or MySQL 5.0+ -* @package dbal -*/ -class dbal_mysqli extends dbal -{ - var $multi_insert = true; - 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 $use_cache If true, it is safe to retrieve the value from the cache - * @return string sql server version - */ - function sql_server_info($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_EXTRA')) - { - $this->sql_report('start', $query); - } - - $this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false; - $this->sql_add_num_queries($this->query_result); - - if ($this->query_result === false) - { - if (($this->query_result = @mysqli_query($this->db_connect_id, $query)) === false) - { - $this->sql_error($query); - } - - if (defined('DEBUG_EXTRA')) - { - $this->sql_report('stop', $query); - } - - if ($cache_ttl && method_exists($cache, 'sql_save')) - { - $cache->sql_save($query, $this->query_result, $cache_ttl); - } - } - else if (defined('DEBUG_EXTRA')) - { - $this->sql_report('fromcache', $query); - } - } - else - { - return false; - } - - return $this->query_result; - } - - /** - * Build LIMIT query - */ - function _sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0) - { - $this->query_result = false; - - // if $total is set to 0 we do not want to limit the number of rows - if ($total == 0) - { - // MySQL 4.1+ no longer supports -1 in limit queries - $total = '18446744073709551615'; - } - - $query .= "\n LIMIT " . ((!empty($offset)) ? $offset . ', ' . $total : $total); - - return $this->sql_query($query, $cache_ttl); - } - - /** - * Return number of affected rows - */ - function sql_affectedrows() - { - return ($this->db_connect_id) ? @mysqli_affected_rows($this->db_connect_id) : false; - } - - /** - * Fetch current row - */ - function sql_fetchrow($query_id = false) - { - global $cache; - - if ($query_id === false) - { - $query_id = $this->query_result; - } - - if (!is_object($query_id) && isset($cache->sql_rowset[$query_id])) - { - return $cache->sql_fetchrow($query_id); - } - - if ($query_id !== false) - { - $result = @mysqli_fetch_assoc($query_id); - return $result !== null ? $result : false; - } - - return false; - } - - /** - * Seek to given row number - * rownum is zero-based - */ - function sql_rowseek($rownum, &$query_id) - { - global $cache; - - if ($query_id === false) - { - $query_id = $this->query_result; - } - - if (!is_object($query_id) && isset($cache->sql_rowset[$query_id])) - { - return $cache->sql_rowseek($rownum, $query_id); - } - - return ($query_id !== false) ? @mysqli_data_seek($query_id, $rownum) : false; - } - - /** - * Get last inserted id after insert statement - */ - function sql_nextid() - { - return ($this->db_connect_id) ? @mysqli_insert_id($this->db_connect_id) : false; - } - - /** - * Free sql result - */ - function sql_freeresult($query_id = false) - { - global $cache; - - if ($query_id === false) - { - $query_id = $this->query_result; - } - - if (!is_object($query_id) && isset($cache->sql_rowset[$query_id])) - { - return $cache->sql_freeresult($query_id); - } - - return @mysqli_free_result($query_id); - } - - /** - * Escape string used in sql query - */ - function sql_escape($msg) - { - return @mysqli_real_escape_string($this->db_connect_id, $msg); - } - - /** - * Gets the estimated number of rows in a specified table. - * - * @param string $table_name Table name - * - * @return string Number of rows in $table_name. - * Prefixed with ~ if estimated (otherwise exact). - * - * @access public - */ - function get_estimated_row_count($table_name) - { - $table_status = $this->get_table_status($table_name); - - if (isset($table_status['Engine'])) - { - if ($table_status['Engine'] === 'MyISAM') - { - return $table_status['Rows']; - } - else if ($table_status['Engine'] === 'InnoDB' && $table_status['Rows'] > 100000) - { - return '~' . $table_status['Rows']; - } - } - - return parent::get_row_count($table_name); - } - - /** - * Gets the exact number of rows in a specified table. - * - * @param string $table_name Table name - * - * @return string Exact number of rows in $table_name. - * - * @access public - */ - function get_row_count($table_name) - { - $table_status = $this->get_table_status($table_name); - - if (isset($table_status['Engine']) && $table_status['Engine'] === 'MyISAM') - { - return $table_status['Rows']; - } - - return parent::get_row_count($table_name); - } - - /** - * Gets some information about the specified table. - * - * @param string $table_name Table name - * - * @return array - * - * @access protected - */ - function get_table_status($table_name) - { - $sql = "SHOW TABLE STATUS - LIKE '" . $this->sql_escape($table_name) . "'"; - $result = $this->sql_query($sql); - $table_status = $this->sql_fetchrow($result); - $this->sql_freeresult($result); - - return $table_status; - } - - /** - * Build LIKE expression - * @access private - */ - function _sql_like_expression($expression) - { - return $expression; - } - - /** - * Build db-specific query data - * @access private - */ - function _sql_custom_build($stage, $data) - { - switch ($stage) - { - case 'FROM': - $data = '(' . $data . ')'; - break; - } - - return $data; - } - - /** - * return sql error array - * @access private - */ - function _sql_error() - { - if ($this->db_connect_id) - { - $error = array( - 'message' => @mysqli_error($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; - } - } -} - -?>
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