1 files changed, 0 insertions, 591 deletions
diff --git a/phpBB/includes/db/mysql.php b/phpBB/includes/db/mysql.php
deleted file mode 100644
index 252cb20bd4..0000000000
--- a/phpBB/includes/db/mysql.php
+++ /dev/null
@@ -1,591 +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);
-
-/**
-* MySQL4 Database Abstraction Layer
-* Compatible with:
-* MySQL 3.23+
-* MySQL 4.0+
-* MySQL 4.1+
-* MySQL 5.0+
-* @package dbal
-*/
-class dbal_mysql extends dbal
-{
-	var $multi_insert = true;
-	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_EXTRA'))
-			{
-				$this->sql_report('start', $query);
-			}
-
-			$this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false;
-			$this->sql_add_num_queries($this->query_result);
-
-			if ($this->query_result === false)
-			{
-				if (($this->query_result = @mysql_query($query, $this->db_connect_id)) === false)
-				{
-					$this->sql_error($query);
-				}
-
-				if (defined('DEBUG_EXTRA'))
-				{
-					$this->sql_report('stop', $query);
-				}
-
-				if ($cache_ttl && method_exists($cache, 'sql_save'))
-				{
-					$this->open_queries[(int) $this->query_result] = $this->query_result;
-					$cache->sql_save($query, $this->query_result, $cache_ttl);
-				}
-				else if (strpos($query, 'SELECT') === 0 && $this->query_result)
-				{
-					$this->open_queries[(int) $this->query_result] = $this->query_result;
-				}
-			}
-			else if (defined('DEBUG_EXTRA'))
-			{
-				$this->sql_report('fromcache', $query);
-			}
-		}
-		else
-		{
-			return false;
-		}
-
-		return $this->query_result;
-	}
-
-	/**
-	* Build LIMIT query
-	*/
-	function _sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0)
-	{
-		$this->query_result = false;
-
-		// if $total is set to 0 we do not want to limit the number of rows
-		if ($total == 0)
-		{
-			// Having a value of -1 was always a bug
-			$total = '18446744073709551615';
-		}
-
-		$query .= "\n LIMIT " . ((!empty($offset)) ? $offset . ', ' . $total : $total);
-
-		return $this->sql_query($query, $cache_ttl);
-	}
-
-	/**
-	* Return number of affected rows
-	*/
-	function sql_affectedrows()
-	{
-		return ($this->db_connect_id) ? @mysql_affected_rows($this->db_connect_id) : false;
-	}
-
-	/**
-	* Fetch current row
-	*/
-	function sql_fetchrow($query_id = false)
-	{
-		global $cache;
-
-		if ($query_id === false)
-		{
-			$query_id = $this->query_result;
-		}
-
-		if (isset($cache->sql_rowset[$query_id]))
-		{
-			return $cache->sql_fetchrow($query_id);
-		}
-
-		return ($query_id !== false) ? @mysql_fetch_assoc($query_id) : false;
-	}
-
-	/**
-	* Seek to given row number
-	* rownum is zero-based
-	*/
-	function sql_rowseek($rownum, &$query_id)
-	{
-		global $cache;
-
-		if ($query_id === false)
-		{
-			$query_id = $this->query_result;
-		}
-
-		if (isset($cache->sql_rowset[$query_id]))
-		{
-			return $cache->sql_rowseek($rownum, $query_id);
-		}
-
-		return ($query_id !== false) ? @mysql_data_seek($query_id, $rownum) : false;
-	}
-
-	/**
-	* Get last inserted id after insert statement
-	*/
-	function sql_nextid()
-	{
-		return ($this->db_connect_id) ? @mysql_insert_id($this->db_connect_id) : false;
-	}
-
-	/**
-	* Free sql result
-	*/
-	function sql_freeresult($query_id = false)
-	{
-		global $cache;
-
-		if ($query_id === false)
-		{
-			$query_id = $this->query_result;
-		}
-
-		if (isset($cache->sql_rowset[$query_id]))
-		{
-			return $cache->sql_freeresult($query_id);
-		}
-
-		if (isset($this->open_queries[(int) $query_id]))
-		{
-			unset($this->open_queries[(int) $query_id]);
-			return @mysql_free_result($query_id);
-		}
-
-		return false;
-	}
-
-	/**
-	* Escape string used in sql query
-	*/
-	function sql_escape($msg)
-	{
-		if (!$this->db_connect_id)
-		{
-			return @mysql_real_escape_string($msg);
-		}
-
-		return @mysql_real_escape_string($msg, $this->db_connect_id);
-	}
-
-	/**
-	* Gets the estimated number of rows in a specified table.
-	*
-	* @param string $table_name		Table name
-	*
-	* @return string				Number of rows in $table_name.
-	*								Prefixed with ~ if estimated (otherwise exact).
-	*
-	* @access public
-	*/
-	function get_estimated_row_count($table_name)
-	{
-		$table_status = $this->get_table_status($table_name);
-
-		if (isset($table_status['Engine']))
-		{
-			if ($table_status['Engine'] === 'MyISAM')
-			{
-				return $table_status['Rows'];
-			}
-			else if ($table_status['Engine'] === 'InnoDB' && $table_status['Rows'] > 100000)
-			{
-				return '~' . $table_status['Rows'];
-			}
-		}
-
-		return parent::get_row_count($table_name);
-	}
-
-	/**
-	* Gets the exact number of rows in a specified table.
-	*
-	* @param string $table_name		Table name
-	*
-	* @return string				Exact number of rows in $table_name.
-	*
-	* @access public
-	*/
-	function get_row_count($table_name)
-	{
-		$table_status = $this->get_table_status($table_name);
-
-		if (isset($table_status['Engine']) && $table_status['Engine'] === 'MyISAM')
-		{
-			return $table_status['Rows'];
-		}
-
-		return parent::get_row_count($table_name);
-	}
-
-	/**
-	* Gets some information about the specified table.
-	*
-	* @param string $table_name		Table name
-	*
-	* @return array
-	*
-	* @access protected
-	*/
-	function get_table_status($table_name)
-	{
-		$sql = "SHOW TABLE STATUS
-			LIKE '" . $this->sql_escape($table_name) . "'";
-		$result = $this->sql_query($sql);
-		$table_status = $this->sql_fetchrow($result);
-		$this->sql_freeresult($result);
-
-		return $table_status;
-	}
-
-	/**
-	* Build LIKE expression
-	* @access private
-	*/
-	function _sql_like_expression($expression)
-	{
-		return $expression;
-	}
-
-	/**
-	* Build db-specific query data
-	* @access private
-	*/
-	function _sql_custom_build($stage, $data)
-	{
-		switch ($stage)
-		{
-			case 'FROM':
-				$data = '(' . $data . ')';
-			break;
-		}
-
-		return $data;
-	}
-
-	/**
-	* return sql error array
-	* @access private
-	*/
-	function _sql_error()
-	{
-		if ($this->db_connect_id)
-		{
-			$error = array(
-				'message'	=> @mysql_error($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;
-		}
-	}
-}
-
-?>
-\ No newline at end of file