Merge remote-tracking branch 'upstream/develop' into ticket/11574

* upstream/develop: (575 commits) [ticket/11702] Fix forum_posts left over for link-click counts in viewforum.php [ticket/11696] Move file to new directory [ticket/11696] Rename constructor to __construct() [ticket/11696] Remove manual loading of db_tools in extension controller test [ticket/11696] Rename db_tools.php so it can be autoloaded [ticket/11698] Moving all autoloadable files to phpbb/ [ticket/11694] Do not locate assets with root path [ticket/11692] Don't update search_type in dev migration if already appended [ticket/11675] Fix template loop [ticket/11690] Old module class names may get autoloaded by class_exists [ticket/9649] Display information on index for moderators on unapproved posts [ticket/10999] Fix assets_version in ACP [prep-release-3.0.12] More changelog items for the 3.0.12 release. [ticket/11687] Add assets_version to phpbb_config [ticket/11686] Not checking for phpBB Debug errors on functional tests [ticket/11670] Consistency with logo: Replace "phpBB(tm)" with "phpBB(R)". [ticket/11674] Do not include vendor folder if there are no dependencies. [ticket/11685] Remove logout confirmation page [ticket/11684] Remove useless confirmation page after login and admin login [ticket/9657] Define user before injecting ... Conflicts: phpBB/includes/functions_container.php phpBB/install/database_update.php phpBB/install/index.php
author: Igor Wiedler <igor@wiedler.ch> 2013-07-14 11:34:58 -0400
committer: Igor Wiedler <igor@wiedler.ch> 2013-07-14 11:34:58 -0400
commit: f6865dc33a8cedb7d21a64401ed80d2edbac36bd (patch)
tree: 66aa645c4d86636f0bce04a7125a7757a466b224 /phpBB/phpbb/db/driver/mysql.php
parent: fa3cdb6bf2cfdca9c26168bd258752718bc8a43f (diff)
parent: c15bde161a93fc2abc48cacd7e5a71c682880e52 (diff)
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1 files changed, 472 insertions, 0 deletions
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('&lt;', '&gt;'), $row['Source_function']);
+								}
+
+								// remove unsupported features
+								foreach ($row as $key => $val)
+								{
+									if ($val === null)
+									{
+										unset($row[$key]);
+									}
+								}
+								$html_table = $this->sql_report('add_select_row', $query, $html_table, $row);
+							}
+						}
+						@mysql_free_result($result);
+
+						if ($html_table)
+						{
+							$this->html_hold .= '</table>';
+						}
+
+						@mysql_query('SET profiling = 0;', $this->db_connect_id);
+					}
+				}
+
+			break;
+
+			case 'fromcache':
+				$endtime = explode(' ', microtime());
+				$endtime = $endtime[0] + $endtime[1];
+
+				$result = @mysql_query($query, $this->db_connect_id);
+				while ($void = @mysql_fetch_assoc($result))
+				{
+					// Take the time spent on parsing rows into account
+				}
+				@mysql_free_result($result);
+
+				$splittime = explode(' ', microtime());
+				$splittime = $splittime[0] + $splittime[1];
+
+				$this->sql_report('record_fromcache', $query, $endtime, $splittime);
+
+			break;
+		}
+	}
+}
author	Igor Wiedler <igor@wiedler.ch>	2013-07-14 11:34:58 -0400
committer	Igor Wiedler <igor@wiedler.ch>	2013-07-14 11:34:58 -0400
commit	f6865dc33a8cedb7d21a64401ed80d2edbac36bd (patch)
tree	66aa645c4d86636f0bce04a7125a7757a466b224 /phpBB/phpbb/db/driver/mysql.php
parent	fa3cdb6bf2cfdca9c26168bd258752718bc8a43f (diff)
parent	c15bde161a93fc2abc48cacd7e5a71c682880e52 (diff)
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