<?php
/**
*
* @package phpBB3
* @version $Id$
* @copyright (c) 2006 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
* This file creates SQL statements to upgrade phpBB on MySQL 3.x/4.0.x to 4.1.x/5.x
*
*/


//
// Security message:
//
// This script is potentially dangerous.
// Remove or comment the next line (die(".... ) to enable this script.
// Do NOT FORGET to either remove this script or disable it after you have used it.
//
die("Please read the first lines of this script for instructions on how to enable it");

define('IN_PHPBB', true);
$phpbb_root_path = (defined('PHPBB_ROOT_PATH')) ? PHPBB_ROOT_PATH : './';
$phpEx = substr(strrchr(__FILE__, '.'), 1);
include($phpbb_root_path . 'common.' . $phpEx);

$prefix = $table_prefix;

$newline = "\n";

if (PHP_SAPI !== 'cli')
{
	$newline = '<br>';
}

$sql = 'DESCRIBE ' . POSTS_TABLE . ' post_text';
$result = $db->sql_query($sql);

$row = $db->sql_fetchrow($result);

$db->sql_freeresult($result);

$mysql_indexer = $drop_index = false;

if (strtolower($row['Type']) === 'mediumtext')
{
	$mysql_indexer = true;
}

if (strtolower($row['Key']) === 'mul')
{
	$drop_index = true;
}

echo "USE $dbname;$newline$newline";


@set_time_limit(0);

$schema_data = get_schema_struct();
$dbms_type_map = array(
	'mysql_41'	=> array(
		'INT:'		=> 'int(%d)',
		'BINT'		=> 'bigint(20)',
		'UINT'		=> 'mediumint(8) UNSIGNED',
		'UINT:'		=> 'int(%d) UNSIGNED',
		'TINT:'		=> 'tinyint(%d)',
		'USINT'		=> 'smallint(4) UNSIGNED',
		'BOOL'		=> 'tinyint(1) UNSIGNED',
		'VCHAR'		=> 'varchar(255)',
		'VCHAR:'	=> 'varchar(%d)',
		'CHAR:'		=> 'char(%d)',
		'XSTEXT'	=> 'text',
		'XSTEXT_UNI'=> 'varchar(100)',
		'STEXT'		=> 'text',
		'STEXT_UNI'	=> 'varchar(255)',
		'TEXT'		=> 'text',
		'TEXT_UNI'	=> 'text',
		'MTEXT'		=> 'mediumtext',
		'MTEXT_UNI'	=> 'mediumtext',
		'TIMESTAMP'	=> 'int(11) UNSIGNED',
		'DECIMAL'	=> 'decimal(5,2)',
		'DECIMAL:'	=> 'decimal(%d,2)',
		'PDECIMAL'	=> 'decimal(6,3)',
		'PDECIMAL:'	=> 'decimal(%d,3)',
		'VCHAR_UNI'	=> 'varchar(255)',
		'VCHAR_UNI:'=> 'varchar(%d)',
		'VCHAR_CI'	=> 'varchar(255)',
		'VARBINARY'	=> 'varbinary(255)',
	),

	'mysql_40'	=> array(
		'INT:'		=> 'int(%d)',
		'BINT'		=> 'bigint(20)',
		'UINT'		=> 'mediumint(8) UNSIGNED',
		'UINT:'		=> 'int(%d) UNSIGNED',
		'TINT:'		=> 'tinyint(%d)',
		'USINT'		=> 'smallint(4) UNSIGNED',
		'BOOL'		=> 'tinyint(1) UNSIGNED',
		'VCHAR'		=> 'varbinary(255)',
		'VCHAR:'	=> 'varbinary(%d)',
		'CHAR:'		=> 'binary(%d)',
		'XSTEXT'	=> 'blob',
		'XSTEXT_UNI'=> 'blob',
		'STEXT'		=> 'blob',
		'STEXT_UNI'	=> 'blob',
		'TEXT'		=> 'blob',
		'TEXT_UNI'	=> 'blob',
		'MTEXT'		=> 'mediumblob',
		'MTEXT_UNI'	=> 'mediumblob',
		'TIMESTAMP'	=> 'int(11) UNSIGNED',
		'DECIMAL'	=> 'decimal(5,2)',
		'DECIMAL:'	=> 'decimal(%d,2)',
		'PDECIMAL'	=> 'decimal(6,3)',
		'PDECIMAL:'	=> 'decimal(%d,3)',
		'VCHAR_UNI'	=> 'blob',
		'VCHAR_UNI:'=> array('varbinary(%d)', 'limit' => array('mult', 3, 255, 'blob')),
		'VCHAR_CI'	=> 'blob',
		'VARBINARY'	=> 'varbinary(255)',
	),
);

foreach ($schema_data as $table_name => $table_data)
{
	$table_name = str_replace('phpbb_', $prefix, $table_name);
	// Write comment about table
	echo "# Table: '{$table_name}'$newline";

	// Create Table statement
	$generator = $textimage = false;

	// Do we need to DROP a fulltext index before we alter the table?
	if ($table_name == ($prefix . 'posts') && $drop_index)
	{
		echo "ALTER TABLE {$table_name}{$newline}";
		echo "DROP INDEX post_text,{$newline}DROP INDEX post_subject,{$newline}DROP INDEX post_content;{$newline}{$newline}";
	}

	$line = "ALTER TABLE {$table_name} $newline";

	// Table specific so we don't get overlap
	$modded_array = array();

	// Write columns one by one...
	foreach ($table_data['COLUMNS'] as $column_name => $column_data)
	{
		// Get type
		if (strpos($column_data[0], ':') !== false)
		{
			list($orig_column_type, $column_length) = explode(':', $column_data[0]);
			$column_type = sprintf($dbms_type_map['mysql_41'][$orig_column_type . ':'], $column_length);

			if (isset($dbms_type_map['mysql_40'][$orig_column_type . ':']['limit'][0]))
			{
				switch ($dbms_type_map['mysql_40'][$orig_column_type . ':']['limit'][0])
				{
					case 'mult':
						if (($column_length * $dbms_type_map['mysql_40'][$orig_column_type . ':']['limit'][1]) > $dbms_type_map['mysql_40'][$orig_column_type . ':']['limit'][2])
						{
							$modded_array[$column_name] = $column_type;
						}
					break;
				}
			}

			$orig_column_type .= ':';
		}
		else
		{
			$orig_column_type = $column_data[0];
			$other_column_type = $dbms_type_map['mysql_40'][$column_data[0]];
			if ($other_column_type == 'text' || $other_column_type == 'blob')
			{
				$modded_array[$column_name] = $column_type;
			}
			$column_type = $dbms_type_map['mysql_41'][$column_data[0]];
		}

		// Adjust default value if db-dependant specified
		if (is_array($column_data[1]))
		{
			$column_data[1] = (isset($column_data[1][$dbms])) ? $column_data[1][$dbms] : $column_data[1]['default'];
		}

		$line .= "\tMODIFY {$column_name} {$column_type} ";

		// For hexadecimal values do not use single quotes
		if (!is_null($column_data[1]) && substr($column_type, -4) !== 'text' && substr($column_type, -4) !== 'blob')
		{
			$line .= (strpos($column_data[1], '0x') === 0) ? "DEFAULT {$column_data[1]} " : "DEFAULT '{$column_data[1]}' ";
		}
		$line .= 'NOT NULL';

		if (isset($column_data[2]))
		{
			if ($column_data[2] == 'auto_increment')
			{
				$line .= ' auto_increment';
			}
			else if ($column_data[2] == 'true_sort')
			{
				$line .= ' COLLATE utf8_unicode_ci';
			}
			else if ($column_data[2] == 'no_sort')
			{
				$line .= ' COLLATE utf8_bin';
			}
		}
		else if (preg_match('/(?:var)?char|(?:medium)?text/i', $column_type))
		{
			$line .= ' COLLATE utf8_bin';
		}

		$line .= ",$newline";
	}

	// Write Keys
	if (isset($table_data['KEYS']))
	{
		foreach ($table_data['KEYS'] as $key_name => $key_data)
		{
			$temp = '';
			if (!is_array($key_data[1]))
			{
				$key_data[1] = array($key_data[1]);
			}

			$temp .= ($key_data[0] == 'INDEX') ? "\tADD KEY" : '';
			$temp .= ($key_data[0] == 'UNIQUE') ? "\tADD UNIQUE" : '';
			$repair = false;
			foreach ($key_data[1] as $key => $col_name)
			{
				if (isset($modded_array[$col_name]))
				{
					$repair = true;
				}
			}
			if ($repair)
			{
				$line .= "\tDROP INDEX " . $key_name . ",$newline";
				$line .= $temp;
				$line .= ' ' . $key_name . ' (' . implode(', ', $key_data[1]) . "),$newline";
			}
		}
	}

	//$line .= "\tCONVERT TO CHARACTER SET `utf8`$newline";
	$line .= "\tDEFAULT CHARSET=utf8 COLLATE=utf8_bin;$newline$newline";

	echo $line . "$newline";

	// Do we now need to re-add the fulltext index? ;)
	if ($table_name == ($prefix . 'posts') && $drop_index)
	{
		echo "ALTER TABLE $table_name ADD FULLTEXT (post_subject), ADD FULLTEXT (post_text), ADD FULLTEXT post_content (post_subject, post_text);{$newline}";
	}
}

/**
* Define the basic structure
* The format:
*		array('{TABLE_NAME}' => {TABLE_DATA})
*		{TABLE_DATA}:
*			COLUMNS = array({column_name} = array({column_type}, {default}, {auto_increment}))
*			PRIMARY_KEY = {column_name(s)}
*			KEYS = array({key_name} = array({key_type}, {column_name(s)})),
*
*	Column Types:
*	INT:x		=> SIGNED int(x)
*	BINT		=> BIGINT
*	UINT		=> mediumint(8) UNSIGNED
*	UINT:x		=> int(x) UNSIGNED
*	TINT:x		=> tinyint(x)
*	USINT		=> smallint(4) UNSIGNED (for _order columns)
*	BOOL		=> tinyint(1) UNSIGNED
*	VCHAR		=> varchar(255)
*	CHAR:x		=> char(x)
*	XSTEXT_UNI	=> text for storing 100 characters (topic_title for example)
*	STEXT_UNI	=> text for storing 255 characters (normal input field with a max of 255 single-byte chars) - same as VCHAR_UNI
*	TEXT_UNI	=> text for storing 3000 characters (short text, descriptions, comments, etc.)
*	MTEXT_UNI	=> mediumtext (post text, large text)
*	VCHAR:x		=> varchar(x)
*	TIMESTAMP	=> int(11) UNSIGNED
*	DECIMAL		=> decimal number (5,2)
*	DECIMAL:	=> decimal number (x,2)
*	PDECIMAL	=> precision decimal number (6,3)
*	PDECIMAL:	=> precision decimal number (x,3)
*	VCHAR_UNI	=> varchar(255) BINARY
*	VCHAR_CI	=> varchar_ci for postgresql, others VCHAR
*/
function get_schema_struct()
{
	$schema_data = array();

	$schema_data['phpbb_attachments'] = array(
		'COLUMNS'		=> array(
			'attach_id'			=> array('UINT', NULL, 'auto_increment'),
			'post_msg_id'		=> array('UINT', 0),
			'topic_id'			=> array('UINT', 0),
			'in_message'		=> array('BOOL', 0),
			'poster_id'			=> array('UINT', 0),
			'is_orphan'			=> array('BOOL', 1),
			'physical_filename'	=> array('VCHAR', ''),
			'real_filename'		=> array('VCHAR', ''),
			'download_count'	=> array('UINT', 0),
			'attach_comment'	=> array('TEXT_UNI', ''),
			'extension'			=> array('VCHAR:100', ''),
			'mimetype'			=> array('VCHAR:100', ''),
			'filesize'			=> array('UINT:20', 0),
			'filetime'			=> array('TIMESTAMP', 0),
			'thumbnail'			=> array('BOOL', 0),
		),
		'PRIMARY_KEY'	=> 'attach_id',
		'KEYS'			=> array(
			'filetime'			=> array('INDEX', 'filetime'),
			'post_msg_id'		=> array('INDEX', 'post_msg_id'),
			'topic_id'			=> array('INDEX', 'topic_id'),
			'poster_id'			=> array('INDEX', 'poster_id'),
			'is_orphan'			=> array('INDEX', 'is_orphan'),
		),
	);

	$schema_data['phpbb_acl_groups'] = array(
		'COLUMNS'		=> array(
			'group_id'			=> array('UINT', 0),
			'forum_id'			=> array('UINT', 0),
			'auth_option_id'	=> array('UINT', 0),
			'auth_role_id'		=> array('UINT', 0),
			'auth_setting'		=> array('TINT:2', 0),
		),
		'KEYS'			=> array(
			'group_id'		=> array('INDEX', 'group_id'),
			'auth_opt_id'	=> array('INDEX', 'auth_option_id'),
			'auth_role_id'	=> array('INDEX', 'auth_role_id'),
		),
	);

	$schema_data['phpbb_acl_options'] = array(
		'COLUMNS'		=> array(
			'auth_option_id'	=> array('UINT', NULL, 'auto_increment'),
			'auth_option'		=> array('VCHAR:50', ''),
			'is_global'			=> array('BOOL', 0),
			'is_local'			=> array('BOOL', 0),
			'founder_only'		=> array('BOOL', 0),
		),
		'PRIMARY_KEY'	=> 'auth_option_id',
		'KEYS'			=> array(
			'auth_option'		=> array('UNIQUE', 'auth_option'),
		),
	);

	$schema_data['phpbb_acl_roles'] = array(
		'COLUMNS'		=> array(
			'role_id'			=> array('UINT', NULL, 'auto_increment'),
			'role_name'			=> array('VCHAR_UNI', ''),
			'role_description'	=> array('TEXT_UNI', ''),
			'role_type'			=> array('VCHAR:10', ''),
			'role_order'		=> array('USINT', 0),
		),
		'PRIMARY_KEY'	=> 'role_id',
		'KEYS'			=> array(
			'role_type'			=> array('INDEX', 'role_type'),
			'role_order'		=> array('INDEX', 'role_order'),
		),
	);

	$schema_data['phpbb_acl_roles_data'] = array(
		'COLUMNS'		=> array(
			'role_id'			=> array('UINT', 0),
			'auth_option_id'	=> array('UINT', 0),
			'auth_setting'		=> array('TINT:2', 0),
		),
		'PRIMARY_KEY'	=> array('role_id', 'auth_option_id'),
		'KEYS'			=> array(
			'ath_op_id'			=> array('INDEX', 'auth_option_id'),
		),
	);

	$schema_data['phpbb_acl_users'] = array(
		'COLUMNS'		=> array(
			'user_id'			=> array('UINT', 0),
			'forum_id'			=> array('UINT', 0),
			'auth_option_id'	=> array('UINT', 0),
			'auth_role_id'		=> array('UINT', 0),
			'auth_setting'		=> array('TINT:2', 0),
		),
		'KEYS'			=> array(
			'user_id'			=> array('INDEX', 'user_id'),
			'auth_option_id'	=> array('INDEX', 'auth_option_id'),
			'auth_role_id'		=> array('INDEX', 'auth_role_id'),
		),
	);

	$schema_data['phpbb_banlist'] = array(
		'COLUMNS'		=> array(
			'ban_id'			=> array('UINT', NULL, 'auto_increment'),
			'ban_userid'		=> array('UINT', 0),
			'ban_ip'			=> array('VCHAR:40', ''),
			'ban_email'			=> array('VCHAR_UNI:100', ''),
			'ban_start'			=> array('TIMESTAMP', 0),
			'ban_end'			=> array('TIMESTAMP', 0),
			'ban_exclude'		=> array('BOOL', 0),
			'ban_reason'		=> array('VCHAR_UNI', ''),
			'ban_give_reason'	=> array('VCHAR_UNI', ''),
		),
		'PRIMARY_KEY'			=> 'ban_id',
		'KEYS'			=> array(
			'ban_end'			=> array('INDEX', 'ban_end'),
			'ban_user'			=> array('INDEX', array('ban_userid', 'ban_exclude')),
			'ban_email'			=> array('INDEX', array('ban_email', 'ban_exclude')),
			'ban_ip'			=> array('INDEX', array('ban_ip', 'ban_exclude')),
		),
	);

	$schema_data['phpbb_bbcodes'] = array(
		'COLUMNS'		=> array(
			'bbcode_id'				=> array('USINT', 0),
			'bbcode_tag'			=> array('VCHAR:16', ''),
			'bbcode_helpline'		=> array('VCHAR_UNI', ''),
			'display_on_posting'	=> array('BOOL', 0),
			'bbcode_match'			=> array('TEXT_UNI', ''),
			'bbcode_tpl'			=> array('MTEXT_UNI', ''),
			'first_pass_match'		=> array('MTEXT_UNI', ''),
			'first_pass_replace'	=> array('MTEXT_UNI', ''),
			'second_pass_match'		=> array('MTEXT_UNI', ''),
			'second_pass_replace'	=> array('MTEXT_UNI', ''),
		),
		'PRIMARY_KEY'	=> 'bbcode_id',
		'KEYS'			=> array(
			'display_on_post'		=> array('INDEX', 'display_on_posting'),
		),
	);

	$schema_data['phpbb_bookmarks'] = array(
		'COLUMNS'		=> array(
			'topic_id'			=> array('UINT', 0),
			'user_id'			=> array('UINT', 0),
		),
		'PRIMARY_KEY'			=> array('topic_id', 'user_id'),
	);

	$schema_data['phpbb_bots'] = array(
		'COLUMNS'		=> array(
			'bot_id'			=> array('UINT', NULL, 'auto_increment'),
			'bot_active'		=> array('BOOL', 1),
			'bot_name'			=> array('STEXT_UNI', ''),
			'user_id'			=> array('UINT', 0),
			'bot_agent'			=> array('VCHAR', ''),
			'bot_ip'			=> array('VCHAR', ''),
		),
		'PRIMARY_KEY'	=> 'bot_id',
		'KEYS'			=> array(
			'bot_active'		=> array('INDEX', 'bot_active'),
		),
	);

	$schema_data['phpbb_config'] = array(
		'COLUMNS'		=> array(
			'config_name'		=> array('VCHAR', ''),
			'config_value'		=> array('VCHAR_UNI', ''),
			'is_dynamic'		=> array('BOOL', 0),
		),
		'PRIMARY_KEY'	=> 'config_name',
		'KEYS'			=> array(
			'is_dynamic'		=> array('INDEX', 'is_dynamic'),
		),
	);

	$schema_data['phpbb_confirm'] = array(
		'COLUMNS'		=> array(
			'confirm_id'		=> array('CHAR:32', ''),
			'session_id'		=> array('CHAR:32', ''),
			'confirm_type'		=> array('TINT:3', 0),
			'code'				=> array('VCHAR:8', ''),
			'seed'				=> array('UINT:10', 0),
			'attempts'			=> array('UINT', 0),
		),
		'PRIMARY_KEY'	=> array('session_id', 'confirm_id'),
		'KEYS'			=> array(
			'confirm_type'		=> array('INDEX', 'confirm_type'),
		),
	);

	$schema_data['phpbb_disallow'] = array(
		'COLUMNS'		=> array(
			'disallow_id'		=> array('UINT', NULL, 'auto_increment'),
			'disallow_username'	=> array('VCHAR_UNI:255', ''),
		),
		'PRIMARY_KEY'	=> 'disallow_id',
	);

	$schema_data['phpbb_drafts'] = array(
		'COLUMNS'		=> array(
			'draft_id'			=> array('UINT', NULL, 'auto_increment'),
			'user_id'			=> array('UINT', 0),
			'topic_id'			=> array('UINT', 0),
			'forum_id'			=> array('UINT', 0),
			'save_time'			=> array('TIMESTAMP', 0),
			'draft_subject'		=> array('STEXT_UNI', ''),
			'draft_message'		=> array('MTEXT_UNI', ''),
		),
		'PRIMARY_KEY'	=> 'draft_id',
		'KEYS'			=> array(
			'save_time'			=> array('INDEX', 'save_time'),
		),
	);

	$schema_data['phpbb_extensions'] = array(
		'COLUMNS'		=> array(
			'extension_id'		=> array('UINT', NULL, 'auto_increment'),
			'group_id'			=> array('UINT', 0),
			'extension'			=> array('VCHAR:100', ''),
		),
		'PRIMARY_KEY'	=> 'extension_id',
	);

	$schema_data['phpbb_extension_groups'] = array(
		'COLUMNS'		=> array(
			'group_id'			=> array('UINT', NULL, 'auto_increment'),
			'group_name'		=> array('VCHAR_UNI', ''),
			'cat_id'			=> array('TINT:2', 0),
			'allow_group'		=> array('BOOL', 0),
			'download_mode'		=> array('BOOL', 1),
			'upload_icon'		=> array('VCHAR', ''),
			'max_filesize'		=> array('UINT:20', 0),
			'allowed_forums'	=> array('TEXT', ''),
			'allow_in_pm'		=> array('BOOL', 0),
		),
		'PRIMARY_KEY'	=> 'group_id',
	);

	$schema_data['phpbb_forums'] = array(
		'COLUMNS'		=> array(
			'forum_id'				=> array('UINT', NULL, 'auto_increment'),
			'parent_id'				=> array('UINT', 0),
			'left_id'				=> array('UINT', 0),
			'right_id'				=> array('UINT', 0),
			'forum_parents'			=> array('MTEXT', ''),
			'forum_name'			=> array('STEXT_UNI', ''),
			'forum_desc'			=> array('TEXT_UNI', ''),
			'forum_desc_bitfield'	=> array('VCHAR:255', ''),
			'forum_desc_options'	=> array('UINT:11', 7),
			'forum_desc_uid'		=> array('VCHAR:8', ''),
			'forum_link'			=> array('VCHAR_UNI', ''),
			'forum_password'		=> array('VCHAR_UNI:40', ''),
			'forum_style'			=> array('UINT', 0),
			'forum_image'			=> array('VCHAR', ''),
			'forum_rules'			=> array('TEXT_UNI', ''),
			'forum_rules_link'		=> array('VCHAR_UNI', ''),
			'forum_rules_bitfield'	=> array('VCHAR:255', ''),
			'forum_rules_options'	=> array('UINT:11', 7),
			'forum_rules_uid'		=> array('VCHAR:8', ''),
			'forum_topics_per_page'	=> array('TINT:4', 0),
			'forum_type'			=> array('TINT:4', 0),
			'forum_status'			=> array('TINT:4', 0),
			'forum_posts'			=> array('UINT', 0),
			'forum_topics'			=> array('UINT', 0),
			'forum_topics_real'		=> array('UINT', 0),
			'forum_last_post_id'	=> array('UINT', 0),
			'forum_last_poster_id'	=> array('UINT', 0),
			'forum_last_post_subject' => array('STEXT_UNI', ''),
			'forum_last_post_time'	=> array('TIMESTAMP', 0),
			'forum_last_poster_name'=> array('VCHAR_UNI', ''),
			'forum_last_poster_colour'=> array('VCHAR:6', ''),
			'forum_flags'			=> array('TINT:4', 32),
			'forum_options'			=> array('UINT:20', 0),
			'display_subforum_list'	=> array('BOOL', 1),
			'display_on_index'		=> array('BOOL', 1),
			'enable_indexing'		=> array('BOOL', 1),
			'enable_icons'			=> array('BOOL', 1),
			'enable_prune'			=> array('BOOL', 0),
			'prune_next'			=> array('TIMESTAMP', 0),
			'prune_days'			=> array('UINT', 0),
			'prune_viewed'			=> array('UINT', 0),
			'prune_freq'			=> array('UINT', 0),
		),
		'PRIMARY_KEY'	=> 'forum_id',
		'KEYS'			=> array(
			'left_right_id'			=> array('INDEX', array('left_id', 'right_id')),
			'forum_lastpost_id'		=> array('INDEX', 'forum_last_post_id'),
		),
	);

	$schema_data['phpbb_forums_access'] = array(
		'COLUMNS'		=> array(
			'forum_id'				=> array('UINT', 0),
			'user_id'				=> array('UINT', 0),
			'session_id'			=> array('CHAR:32', ''),
		),
		'PRIMARY_KEY'	=> array('forum_id', 'user_id', 'session_id'),
	);

	$schema_data['phpbb_forums_track'] = array(
		'COLUMNS'		=> array(
			'user_id'				=> array('UINT', 0),
			'forum_id'				=> array('UINT', 0),
			'mark_time'				=> array('TIMESTAMP', 0),
		),
		'PRIMARY_KEY'	=> array('user_id', 'forum_id'),
	);

	$schema_data['phpbb_forums_watch'] = array(
		'COLUMNS'		=> array(
			'forum_id'				=> array('UINT', 0),
			'user_id'				=> array('UINT', 0),
			'notify_status'			=> array('BOOL', 0),
		),
		'KEYS'			=> array(
			'forum_id'				=> array('INDEX', 'forum_id'),
			'user_id'				=> array('INDEX', 'user_id'),
			'notify_stat'			=> array('INDEX', 'notify_status'),
		),
	);

	$schema_data['phpbb_groups'] = array(
		'COLUMNS'		=> array(
			'group_id'				=> array('UINT', NULL, 'auto_increment'),
			'group_type'			=> array('TINT:4', 1),
			'group_founder_manage'	=> array('BOOL', 0),
			'group_skip_auth'		=> array('BOOL', 0),
			'group_name'			=> array('VCHAR_CI', ''),
			'group_desc'			=> array('TEXT_UNI', ''),
			'group_desc_bitfield'	=> array('VCHAR:255', ''),
			'group_desc_options'	=> array('UINT:11', 7),
			'group_desc_uid'		=> array('VCHAR:8', ''),
			'group_display'			=> array('BOOL', 0),
			'group_avatar'			=> array('VCHAR', ''),
			'group_avatar_type'		=> array('TINT:2', 0),
			'group_avatar_width'	=> array('USINT', 0),
			'group_avatar_height'	=> array('USINT', 0),
			'group_rank'			=> array('UINT', 0),
			'group_colour'			=> array('VCHAR:6', ''),
			'group_sig_chars'		=> array('UINT', 0),
			'group_receive_pm'		=> array('BOOL', 0),
			'group_message_limit'	=> array('UINT', 0),
			'group_max_recipients'	=> array('UINT', 0),
			'group_legend'			=> array('BOOL', 1),
		),
		'PRIMARY_KEY'	=> 'group_id',
		'KEYS'			=> array(
			'group_legend_name'		=> array('INDEX', array('group_legend', 'group_name')),
		),
	);

	$schema_data['phpbb_icons'] = array(
		'COLUMNS'		=> array(
			'icons_id'				=> array('UINT', NULL, 'auto_increment'),
			'icons_url'				=> array('VCHAR', ''),
			'icons_width'			=> array('TINT:4', 0),
			'icons_height'			=> array('TINT:4', 0),
			'icons_order'			=> array('UINT', 0),
			'display_on_posting'	=> array('BOOL', 1),
		),
		'PRIMARY_KEY'	=> 'icons_id',
		'KEYS'			=> array(
			'display_on_posting'	=> array('INDEX', 'display_on_posting'),
		),
	);

	$schema_data['phpbb_lang'] = array(
		'COLUMNS'		=> array(
			'lang_id'				=> array('TINT:4', NULL, 'auto_increment'),
			'lang_iso'				=> array('VCHAR:30', ''),
			'lang_dir'				=> array('VCHAR:30', ''),
			'lang_english_name'		=> array('VCHAR_UNI:100', ''),
			'lang_local_name'		=> array('VCHAR_UNI:255', ''),
			'lang_author'			=> array('VCHAR_UNI:255', ''),
		),
		'PRIMARY_KEY'	=> 'lang_id',
		'KEYS'			=> array(
			'lang_iso'				=> array('INDEX', 'lang_iso'),
		),
	);

	$schema_data['phpbb_log'] = array(
		'COLUMNS'		=> array(
			'log_id'				=> array('UINT', NULL, 'auto_increment'),
			'log_type'				=> array('TINT:4', 0),
			'user_id'				=> array('UINT', 0),
			'forum_id'				=> array('UINT', 0),
			'topic_id'				=> array('UINT', 0),
			'reportee_id'			=> array('UINT', 0),
			'log_ip'				=> array('VCHAR:40', ''),
			'log_time'				=> array('TIMESTAMP', 0),
			'log_operation'			=> array('TEXT_UNI', ''),
			'log_data'				=> array('MTEXT_UNI', ''),
		),
		'PRIMARY_KEY'	=> 'log_id',
		'KEYS'			=> array(
			'log_type'				=> array('INDEX', 'log_type'),
			'log_time'				=> array('INDEX', 'log_time'),
			'forum_id'				=> array('INDEX', 'forum_id'),
			'topic_id'				=> array('INDEX', 'topic_id'),
			'reportee_id'			=> array('INDEX', 'reportee_id'),
			'user_id'				=> array('INDEX', 'user_id'),
		),
	);

	$schema_data['phpbb_moderator_cache'] = array(
		'COLUMNS'		=> array(
			'forum_id'				=> array('UINT', 0),
			'user_id'				=> array('UINT', 0),
			'username'				=> array('VCHAR_UNI:255', ''),
			'group_id'				=> array('UINT', 0),
			'group_name'			=> array('VCHAR_UNI', ''),
			'display_on_index'		=> array('BOOL', 1),
		),
		'KEYS'			=> array(
			'disp_idx'				=> array('INDEX', 'display_on_index'),
			'forum_id'				=> array('INDEX', 'forum_id'),
		),
	);

	$schema_data['phpbb_modules'] = array(
		'COLUMNS'		=> array(
			'module_id'				=> array('UINT', NULL, 'auto_increment'),
			'module_enabled'		=> array('BOOL', 1),
			'module_display'		=> array('BOOL', 1),
			'module_basename'		=> array('VCHAR', ''),
			'module_class'			=> array('VCHAR:10', ''),
			'parent_id'				=> array('UINT', 0),
			'left_id'				=> array('UINT', 0),
			'right_id'				=> array('UINT', 0),
			'module_langname'		=> array('VCHAR', ''),
			'module_mode'			=> array('VCHAR', ''),
			'module_auth'			=> array('VCHAR', ''),
		),
		'PRIMARY_KEY'	=> 'module_id',
		'KEYS'			=> array(
			'left_right_id'			=> array('INDEX', array('left_id', 'right_id')),
			'module_enabled'		=> array('INDEX', 'module_enabled'),
			'class_left_id'			=> array('INDEX', array('module_class', 'left_id')),
		),
	);

	$schema_data['phpbb_poll_options'] = array(
		'COLUMNS'		=> array(
			'poll_option_id'		=> array('TINT:4', 0),
			'topic_id'				=> array('UINT', 0),
			'poll_option_text'		=> array('TEXT_UNI', ''),
			'poll_option_total'		=> array('UINT', 0),
		),
		'KEYS'			=> array(
			'poll_opt_id'			=> array('INDEX', 'poll_option_id'),
			'topic_id'				=> array('INDEX', 'topic_id'),
		),
	);

	$schema_data['phpbb_poll_votes'] = array(
		'COLUMNS'		=> array(
			'topic_id'				=> array('UINT', 0),
			'poll_option_id'		=> array('TINT:4', 0),
			'vote_user_id'			=> array('UINT', 0),
			'vote_user_ip'			=> array('VCHAR:40', ''),
		),
		'KEYS'			=> array(
			'topic_id'				=> array('INDEX', 'topic_id'),
			'vote_user_id'			=> array('INDEX', 'vote_user_id'),
			'vote_user_ip'			=> array('INDEX', 'vote_user_ip'),
		),
	);

	$schema_data['phpbb_posts'] = array(
		'COLUMNS'		=> array(
			'post_id'				=> array('UINT', NULL, 'auto_increment'),
			'topic_id'				=> array('UINT', 0),
			'forum_id'				=> array('UINT', 0),
			'poster_id'				=> array('UINT', 0),
			'icon_id'				=> array('UINT', 0),
			'poster_ip'				=> array('VCHAR:40', ''),
			'post_time'				=> array('TIMESTAMP', 0),
			'post_approved'			=> array('BOOL', 1),
			'post_reported'			=> array('BOOL', 0),
			'enable_bbcode'			=> array('BOOL', 1),
			'enable_smilies'		=> array('BOOL', 1),
			'enable_magic_url'		=> array('BOOL', 1),
			'enable_sig'			=> array('BOOL', 1),
			'post_username'			=> array('VCHAR_UNI:255', ''),
			'post_subject'			=> array('STEXT_UNI', '', 'true_sort'),
			'post_text'				=> array('MTEXT_UNI', ''),
			'post_checksum'			=> array('VCHAR:32', ''),
			'post_attachment'		=> array('BOOL', 0),
			'bbcode_bitfield'		=> array('VCHAR:255', ''),
			'bbcode_uid'			=> array('VCHAR:8', ''),
			'post_postcount'		=> array('BOOL', 1),
			'post_edit_time'		=> array('TIMESTAMP', 0),
			'post_edit_reason'		=> array('STEXT_UNI', ''),
			'post_edit_user'		=> array('UINT', 0),
			'post_edit_count'		=> array('USINT', 0),
			'post_edit_locked'		=> array('BOOL', 0),
		),
		'PRIMARY_KEY'	=> 'post_id',
		'KEYS'			=> array(
			'forum_id'				=> array('INDEX', 'forum_id'),
			'topic_id'				=> array('INDEX', 'topic_id'),
			'poster_ip'				=> array('INDEX', 'poster_ip'),
			'poster_id'				=> array('INDEX', 'poster_id'),
			'post_approved'			=> array('INDEX', 'post_approved'),
			'post_username'			=> array('INDEX', 'post_username'),
			'tid_post_time'			=> array('INDEX', array('topic_id', 'post_time')),
		),
	);

	$schema_data['phpbb_privmsgs'] = array(
		'COLUMNS'		=> array(
			'msg_id'				=> array('UINT', NULL, 'auto_increment'),
			'root_level'			=> array('UINT', 0),
			'author_id'				=> array('UINT', 0),
			'icon_id'				=> array('UINT', 0),
			'author_ip'				=> array('VCHAR:40', ''),
			'message_time'			=> array('TIMESTAMP', 0),
			'enable_bbcode'			=> array('BOOL', 1),
			'enable_smilies'		=> array('BOOL', 1),
			'enable_magic_url'		=> array('BOOL', 1),
			'enable_sig'			=> array('BOOL', 1),
			'message_subject'		=> array('STEXT_UNI', ''),
			'message_text'			=> array('MTEXT_UNI', ''),
			'message_edit_reason'	=> array('STEXT_UNI', ''),
			'message_edit_user'		=> array('UINT', 0),
			'message_attachment'	=> array('BOOL', 0),
			'bbcode_bitfield'		=> array('VCHAR:255', ''),
			'bbcode_uid'			=> array('VCHAR:8', ''),
			'message_edit_time'		=> array('TIMESTAMP', 0),
			'message_edit_count'	=> array('USINT', 0),
			'to_address'			=> array('TEXT_UNI', ''),
			'bcc_address'			=> array('TEXT_UNI', ''),
			'message_reported'		=> array('BOOL', 0),
		),
		'PRIMARY_KEY'	=> 'msg_id',
		'KEYS'			=> array(
			'author_ip'				=> array('INDEX', 'author_ip'),
			'message_time'			=> array('INDEX', 'message_time'),
			'author_id'				=> array('INDEX', 'author_id'),
			'root_level'			=> array('INDEX', 'root_level'),
		),
	);

	$schema_data['phpbb_privmsgs_folder'] = array(
		'COLUMNS'		=> array(
			'folder_id'				=> array('UINT', NULL, 'auto_increment'),
			'user_id'				=> array('UINT', 0),
			'folder_name'			=> array('VCHAR_UNI', ''),
			'pm_count'				=> array('UINT', 0),
		),
		'PRIMARY_KEY'	=> 'folder_id',
		'KEYS'			=> array(
			'user_id'				=> array('INDEX', 'user_id'),
		),
	);

	$schema_data['phpbb_privmsgs_rules'] = array(
		'COLUMNS'		=> array(
			'rule_id'				=> array('UINT', NULL, 'auto_increment'),
			'user_id'				=> array('UINT', 0),
			'rule_check'			=> array('UINT', 0),
			'rule_connection'		=> array('UINT', 0),
			'rule_string'			=> array('VCHAR_UNI', ''),
			'rule_user_id'			=> array('UINT', 0),
			'rule_group_id'			=> array('UINT', 0),
			'rule_action'			=> array('UINT', 0),
			'rule_folder_id'		=> array('INT:11', 0),
		),
		'PRIMARY_KEY'	=> 'rule_id',
		'KEYS'			=> array(
			'user_id'				=> array('INDEX', 'user_id'),
		),
	);

	$schema_data['phpbb_privmsgs_to'] = array(
		'COLUMNS'		=> array(
			'msg_id'				=> array('UINT', 0),
			'user_id'				=> array('UINT', 0),
			'author_id'				=> array('UINT', 0),
			'pm_deleted'			=> array('BOOL', 0),
			'pm_new'				=> array('BOOL', 1),
			'pm_unread'				=> array('BOOL', 1),
			'pm_replied'			=> array('BOOL', 0),
			'pm_marked'				=> array('BOOL', 0),
			'pm_forwarded'			=> array('BOOL', 0),
			'folder_id'				=> array('INT:11', 0),
		),
		'KEYS'			=> array(
			'msg_id'				=> array('INDEX', 'msg_id'),
			'author_id'				=> array('INDEX', 'author_id'),
			'usr_flder_id'			=> array('INDEX', array('user_id', 'folder_id')),
		),
	);

	$schema_data['phpbb_profile_fields'] = array(
		'COLUMNS'		=> array(
			'field_id'				=> array('UINT', NULL, 'auto_increment'),
			'field_name'			=> array('VCHAR_UNI', ''),
			'field_type'			=> array('TINT:4', 0),
			'field_ident'			=> array('VCHAR:20', ''),
			'field_length'			=> array('VCHAR:20', ''),
			'field_minlen'			=> array('VCHAR', ''),
			'field_maxlen'			=> array('VCHAR', ''),
			'field_novalue'			=> array('VCHAR_UNI', ''),
			'field_default_value'	=> array('VCHAR_UNI', ''),
			'field_validation'		=> array('VCHAR_UNI:20', ''),
			'field_required'		=> array('BOOL', 0),
			'field_show_on_reg'		=> array('BOOL', 0),
			'field_show_on_vt'		=> array('BOOL', 0),
			'field_show_profile'	=> array('BOOL', 0),
			'field_hide'			=> array('BOOL', 0),
			'field_no_view'			=> array('BOOL', 0),
			'field_active'			=> array('BOOL', 0),
			'field_order'			=> array('UINT', 0),
		),
		'PRIMARY_KEY'	=> 'field_id',
		'KEYS'			=> array(
			'fld_type'			=> array('INDEX', 'field_type'),
			'fld_ordr'			=> array('INDEX', 'field_order'),
		),
	);

	$schema_data['phpbb_profile_fields_data'] = array(
		'COLUMNS'		=> array(
			'user_id'				=> array('UINT', 0),
		),
		'PRIMARY_KEY'	=> 'user_id',
	);

	$schema_data['phpbb_profile_fields_lang'] = array(
		'COLUMNS'		=> array(
			'field_id'				=> array('UINT', 0),
			'lang_id'				=> array('UINT', 0),
			'option_id'				=> array('UINT', 0),
			'field_type'			=> array('TINT:4', 0),
			'lang_value'			=> array('VCHAR_UNI', ''),
		),
		'PRIMARY_KEY'	=> array('field_id', 'lang_id', 'option_id'),
	);

	$schema_data['phpbb_profile_lang'] = array(
		'COLUMNS'		=> array(
			'field_id'				=> array('UINT', 0),
			'lang_id'				=> array('UINT', 0),
			'lang_name'				=> array('VCHAR_UNI', ''),
			'lang_explain'			=> array('TEXT_UNI', ''),
			'lang_default_value'	=> array('VCHAR_UNI', ''),
		),
		'PRIMARY_KEY'	=> array('field_id', 'lang_id'),
	);

	$schema_data['phpbb_ranks'] = array(
		'COLUMNS'		=> array(
			'rank_id'				=> array('UINT', NULL, 'auto_increment'),
			'rank_title'			=> array('VCHAR_UNI', ''),
			'rank_min'				=> array('UINT', 0),
			'rank_special'			=> array('BOOL', 0),
			'rank_image'			=> array('VCHAR', ''),
		),
		'PRIMARY_KEY'	=> 'rank_id',
	);

	$schema_data['phpbb_reports'] = array(
		'COLUMNS'		=> array(
			'report_id'				=> array('UINT', NULL, 'auto_increment'),
			'reason_id'				=> array('USINT', 0),
			'post_id'				=> array('UINT', 0),
			'pm_id'					=> array('UINT', 0),
			'user_id'				=> array('UINT', 0),
			'user_notify'			=> array('BOOL', 0),
			'report_closed'			=> array('BOOL', 0),
			'report_time'			=> array('TIMESTAMP', 0),
			'report_text'			=> array('MTEXT_UNI', ''),
		),
		'PRIMARY_KEY'	=> 'report_id',
		'KEYS'			=> array(
			'post_id'			=> array('INDEX', 'post_id'),
			'pm_id'				=> array('INDEX', 'pm_id'),
		),
	);

	$schema_data['phpbb_reports_reasons'] = array(
		'COLUMNS'		=> array(
			'reason_id'				=> array('USINT', NULL, 'auto_increment'),
			'reason_title'			=> array('VCHAR_UNI', ''),
			'reason_description'	=> array('MTEXT_UNI', ''),
			'reason_order'			=> array('USINT', 0),
		),
		'PRIMARY_KEY'	=> 'reason_id',
	);

	$schema_data['phpbb_search_results'] = array(
		'COLUMNS'		=> array(
			'search_key'			=> array('VCHAR:32', ''),
			'search_time'			=> array('TIMESTAMP', 0),
			'search_keywords'		=> array('MTEXT_UNI', ''),
			'search_authors'		=> array('MTEXT', ''),
		),
		'PRIMARY_KEY'	=> 'search_key',
	);

	$schema_data['phpbb_search_wordlist'] = array(
		'COLUMNS'		=> array(
			'word_id'			=> array('UINT', NULL, 'auto_increment'),
			'word_text'			=> array('VCHAR_UNI', ''),
			'word_common'		=> array('BOOL', 0),
			'word_count'		=> array('UINT', 0),
		),
		'PRIMARY_KEY'	=> 'word_id',
		'KEYS'			=> array(
			'wrd_txt'			=> array('UNIQUE', 'word_text'),
			'wrd_cnt'			=> array('INDEX', 'word_count'),
		),
	);

	$schema_data['phpbb_search_wordmatch'] = array(
		'COLUMNS'		=> array(
			'post_id'			=> array('UINT', 0),
			'word_id'			=> array('UINT', 0),
			'title_match'		=> array('BOOL', 0),
		),
		'KEYS'			=> array(
			'unq_mtch'			=> array('UNIQUE', array('word_id', 'post_id', 'title_match')),
			'word_id'			=> array('INDEX', 'word_id'),
			'post_id'			=> array('INDEX', 'post_id'),
		),
	);

	$schema_data['phpbb_sessions'] = array(
		'COLUMNS'		=> array(
			'session_id'			=> array('CHAR:32', ''),
			'session_user_id'		=> array('UINT', 0),
			'session_forum_id'		=> array('UINT', 0),
			'session_last_visit'	=> array('TIMESTAMP', 0),
			'session_start'			=> array('TIMESTAMP', 0),
			'session_time'			=> array('TIMESTAMP', 0),
			'session_ip'			=> array('VCHAR:40', ''),
			'session_browser'		=> array('VCHAR:150', ''),
			'session_forwarded_for'	=> array('VCHAR:255', ''),
			'session_page'			=> array('VCHAR_UNI', ''),
			'session_viewonline'	=> array('BOOL', 1),
			'session_autologin'		=> array('BOOL', 0),
			'session_admin'			=> array('BOOL', 0),
		),
		'PRIMARY_KEY'	=> 'session_id',
		'KEYS'			=> array(
			'session_time'		=> array('INDEX', 'session_time'),
			'session_user_id'	=> array('INDEX', 'session_user_id'),
			'session_fid'		=> array('INDEX', 'session_forum_id'),
		),
	);

	$schema_data['phpbb_sessions_keys'] = array(
		'COLUMNS'		=> array(
			'key_id'			=> array('CHAR:32', ''),
			'user_id'			=> array('UINT', 0),
			'last_ip'			=> array('VCHAR:40', ''),
			'last_login'		=> array('TIMESTAMP', 0),
		),
		'PRIMARY_KEY'	=> array('key_id', 'user_id'),
		'KEYS'			=> array(
			'last_login'		=> array('INDEX', 'last_login'),
		),
	);

	$schema_data['phpbb_sitelist'] = array(
		'COLUMNS'		=> array(
			'site_id'		=> array('UINT', NULL, 'auto_increment'),
			'site_ip'		=> array('VCHAR:40', ''),
			'site_hostname'	=> array('VCHAR', ''),
			'ip_exclude'	=> array('BOOL', 0),
		),
		'PRIMARY_KEY'		=> 'site_id',
	);

	$schema_data['phpbb_smilies'] = array(
		'COLUMNS'		=> array(
			'smiley_id'			=> array('UINT', NULL, 'auto_increment'),
			// We may want to set 'code' to VCHAR:50 or check if unicode support is possible... at the moment only ASCII characters are allowed.
			'code'				=> array('VCHAR_UNI:50', ''),
			'emotion'			=> array('VCHAR_UNI:50', ''),
			'smiley_url'		=> array('VCHAR:50', ''),
			'smiley_width'		=> array('USINT', 0),
			'smiley_height'		=> array('USINT', 0),
			'smiley_order'		=> array('UINT', 0),
			'display_on_posting'=> array('BOOL', 1),
		),
		'PRIMARY_KEY'	=> 'smiley_id',
		'KEYS'			=> array(
			'display_on_post'		=> array('INDEX', 'display_on_posting'),
		),
	);

	$schema_data['phpbb_styles'] = array(
		'COLUMNS'		=> array(
			'style_id'				=> array('UINT', NULL, 'auto_increment'),
			'style_name'			=> array('VCHAR_UNI:255', ''),
			'style_copyright'		=> array('VCHAR_UNI', ''),
			'style_active'			=> array('BOOL', 1),
			'template_id'			=> array('UINT', 0),
			'theme_id'				=> array('UINT', 0),
			'imageset_id'			=> array('UINT', 0),
		),
		'PRIMARY_KEY'	=> 'style_id',
		'KEYS'			=> array(
			'style_name'		=> array('UNIQUE', 'style_name'),
			'template_id'		=> array('INDEX', 'template_id'),
			'theme_id'			=> array('INDEX', 'theme_id'),
			'imageset_id'		=> array('INDEX', 'imageset_id'),
		),
	);

	$schema_data['phpbb_styles_template'] = array(
		'COLUMNS'		=> array(
			'template_id'			=> array('UINT', NULL, 'auto_increment'),
			'template_name'			=> array('VCHAR_UNI:255', ''),
			'template_copyright'	=> array('VCHAR_UNI', ''),
			'template_path'			=> array('VCHAR:100', ''),
			'bbcode_bitfield'		=> array('VCHAR:255', 'kNg='),
			'template_storedb'		=> array('BOOL', 0),
			'template_inherits_id'		=> array('UINT:4', 0),
			'template_inherit_path'		=> array('VCHAR', ''),
		),
		'PRIMARY_KEY'	=> 'template_id',
		'KEYS'			=> array(
			'tmplte_nm'				=> array('UNIQUE', 'template_name'),
		),
	);

	$schema_data['phpbb_styles_template_data'] = array(
		'COLUMNS'		=> array(
			'template_id'			=> array('UINT', 0),
			'template_filename'		=> array('VCHAR:100', ''),
			'template_included'		=> array('TEXT', ''),
			'template_mtime'		=> array('TIMESTAMP', 0),
			'template_data'			=> array('MTEXT_UNI', ''),
		),
		'KEYS'			=> array(
			'tid'					=> array('INDEX', 'template_id'),
			'tfn'					=> array('INDEX', 'template_filename'),
		),
	);

	$schema_data['phpbb_styles_theme'] = array(
		'COLUMNS'		=> array(
			'theme_id'				=> array('UINT', NULL, 'auto_increment'),
			'theme_name'			=> array('VCHAR_UNI:255', ''),
			'theme_copyright'		=> array('VCHAR_UNI', ''),
			'theme_path'			=> array('VCHAR:100', ''),
			'theme_storedb'			=> array('BOOL', 0),
			'theme_mtime'			=> array('TIMESTAMP', 0),
			'theme_data'			=> array('MTEXT_UNI', ''),
		),
		'PRIMARY_KEY'	=> 'theme_id',
		'KEYS'			=> array(
			'theme_name'		=> array('UNIQUE', 'theme_name'),
		),
	);

	$schema_data['phpbb_styles_imageset'] = array(
		'COLUMNS'		=> array(
			'imageset_id'				=> array('UINT', NULL, 'auto_increment'),
			'imageset_name'				=> array('VCHAR_UNI:255', ''),
			'imageset_copyright'		=> array('VCHAR_UNI', ''),
			'imageset_path'				=> array('VCHAR:100', ''),
		),
		'PRIMARY_KEY'		=> 'imageset_id',
		'KEYS'				=> array(
			'imgset_nm'			=> array('UNIQUE', 'imageset_name'),
		),
	);

	$schema_data['phpbb_styles_imageset_data'] = array(
		'COLUMNS'		=> array(
			'image_id'				=> array('UINT', NULL, 'auto_increment'),
			'image_name'			=> array('VCHAR:200', ''),
			'image_filename'		=> array('VCHAR:200', ''),
			'image_lang'			=> array('VCHAR:30', ''),
			'image_height'			=> array('USINT', 0),
			'image_width'			=> array('USINT', 0),
			'imageset_id'			=> array('UINT', 0),
		),
		'PRIMARY_KEY'		=> 'image_id',
		'KEYS'				=> array(
			'i_d'			=> array('INDEX', 'imageset_id'),
		),
	);

	$schema_data['phpbb_topics'] = array(
		'COLUMNS'		=> array(
			'topic_id'					=> array('UINT', NULL, 'auto_increment'),
			'forum_id'					=> array('UINT', 0),
			'icon_id'					=> array('UINT', 0),
			'topic_attachment'			=> array('BOOL', 0),
			'topic_approved'			=> array('BOOL', 1),
			'topic_reported'			=> array('BOOL', 0),
			'topic_title'				=> array('STEXT_UNI', '', 'true_sort'),
			'topic_poster'				=> array('UINT', 0),
			'topic_time'				=> array('TIMESTAMP', 0),
			'topic_time_limit'			=> array('TIMESTAMP', 0),
			'topic_views'				=> array('UINT', 0),
			'topic_replies'				=> array('UINT', 0),
			'topic_replies_real'		=> array('UINT', 0),
			'topic_status'				=> array('TINT:3', 0),
			'topic_type'				=> array('TINT:3', 0),
			'topic_first_post_id'		=> array('UINT', 0),
			'topic_first_poster_name'	=> array('VCHAR_UNI', ''),
			'topic_first_poster_colour'	=> array('VCHAR:6', ''),
			'topic_last_post_id'		=> array('UINT', 0),
			'topic_last_poster_id'		=> array('UINT', 0),
			'topic_last_poster_name'	=> array('VCHAR_UNI', ''),
			'topic_last_poster_colour'	=> array('VCHAR:6', ''),
			'topic_last_post_subject'	=> array('STEXT_UNI', ''),
			'topic_last_post_time'		=> array('TIMESTAMP', 0),
			'topic_last_view_time'		=> array('TIMESTAMP', 0),
			'topic_moved_id'			=> array('UINT', 0),
			'topic_bumped'				=> array('BOOL', 0),
			'topic_bumper'				=> array('UINT', 0),
			'poll_title'				=> array('STEXT_UNI', ''),
			'poll_start'				=> array('TIMESTAMP', 0),
			'poll_length'				=> array('TIMESTAMP', 0),
			'poll_max_options'			=> array('TINT:4', 1),
			'poll_last_vote'			=> array('TIMESTAMP', 0),
			'poll_vote_change'			=> array('BOOL', 0),
		),
		'PRIMARY_KEY'	=> 'topic_id',
		'KEYS'			=> array(
			'forum_id'			=> array('INDEX', 'forum_id'),
			'forum_id_type'		=> array('INDEX', array('forum_id', 'topic_type')),
			'last_post_time'	=> array('INDEX', 'topic_last_post_time'),
			'topic_approved'	=> array('INDEX', 'topic_approved'),
			'forum_appr_last'	=> array('INDEX', array('forum_id', 'topic_approved', 'topic_last_post_id')),
			'fid_time_moved'	=> array('INDEX', array('forum_id', 'topic_last_post_time', 'topic_moved_id')),
		),
	);

	$schema_data['phpbb_topics_track'] = array(
		'COLUMNS'		=> array(
			'user_id'			=> array('UINT', 0),
			'topic_id'			=> array('UINT', 0),
			'forum_id'			=> array('UINT', 0),
			'mark_time'			=> array('TIMESTAMP', 0),
		),
		'PRIMARY_KEY'	=> array('user_id', 'topic_id'),
		'KEYS'			=> array(
			'topic_id'			=> array('INDEX', 'topic_id'),
			'forum_id'			=> array('INDEX', 'forum_id'),
		),
	);

	$schema_data['phpbb_topics_posted'] = array(
		'COLUMNS'		=> array(
			'user_id'			=> array('UINT', 0),
			'topic_id'			=> array('UINT', 0),
			'topic_posted'		=> array('BOOL', 0),
		),
		'PRIMARY_KEY'	=> array('user_id', 'topic_id'),
	);

	$schema_data['phpbb_topics_watch'] = array(
		'COLUMNS'		=> array(
			'topic_id'			=> array('UINT', 0),
			'user_id'			=> array('UINT', 0),
			'notify_status'		=> array('BOOL', 0),
		),
		'KEYS'			=> array(
			'topic_id'			=> array('INDEX', 'topic_id'),
			'user_id'			=> array('INDEX', 'user_id'),
			'notify_stat'		=> array('INDEX', 'notify_status'),
		),
	);

	$schema_data['phpbb_user_group'] = array(
		'COLUMNS'		=> array(
			'group_id'			=> array('UINT', 0),
			'user_id'			=> array('UINT', 0),
			'group_leader'		=> array('BOOL', 0),
			'user_pending'		=> array('BOOL', 1),
		),
		'KEYS'			=> array(
			'group_id'			=> array('INDEX', 'group_id'),
			'user_id'			=> array('INDEX', 'user_id'),
			'group_leader'		=> array('INDEX', 'group_leader'),
		),
	);

	$schema_data['phpbb_users'] = array(
		'COLUMNS'		=> array(
			'user_id'					=> array('UINT', NULL, 'auto_increment'),
			'user_type'					=> array('TINT:2', 0),
			'group_id'					=> array('UINT', 3),
			'user_permissions'			=> array('MTEXT', ''),
			'user_perm_from'			=> array('UINT', 0),
			'user_ip'					=> array('VCHAR:40', ''),
			'user_regdate'				=> array('TIMESTAMP', 0),
			'username'					=> array('VCHAR_CI', ''),
			'username_clean'			=> array('VCHAR_CI', ''),
			'user_password'				=> array('VCHAR_UNI:40', ''),
			'user_passchg'				=> array('TIMESTAMP', 0),
			'user_pass_convert'			=> array('BOOL', 0),
			'user_email'				=> array('VCHAR_UNI:100', ''),
			'user_email_hash'			=> array('BINT', 0),
			'user_birthday'				=> array('VCHAR:10', ''),
			'user_lastvisit'			=> array('TIMESTAMP', 0),
			'user_lastmark'				=> array('TIMESTAMP', 0),
			'user_lastpost_time'		=> array('TIMESTAMP', 0),
			'user_lastpage'				=> array('VCHAR_UNI:200', ''),
			'user_last_confirm_key'		=> array('VCHAR:10', ''),
			'user_last_search'			=> array('TIMESTAMP', 0),
			'user_warnings'				=> array('TINT:4', 0),
			'user_last_warning'			=> array('TIMESTAMP', 0),
			'user_login_attempts'		=> array('TINT:4', 0),
			'user_inactive_reason'		=> array('TINT:2', 0),
			'user_inactive_time'		=> array('TIMESTAMP', 0),
			'user_posts'				=> array('UINT', 0),
			'user_lang'					=> array('VCHAR:30', ''),
			'user_timezone'				=> array('DECIMAL', 0),
			'user_dst'					=> array('BOOL', 0),
			'user_dateformat'			=> array('VCHAR_UNI:30', 'd M Y H:i'),
			'user_style'				=> array('UINT', 0),
			'user_rank'					=> array('UINT', 0),
			'user_colour'				=> array('VCHAR:6', ''),
			'user_new_privmsg'			=> array('INT:4', 0),
			'user_unread_privmsg'		=> array('INT:4', 0),
			'user_last_privmsg'			=> array('TIMESTAMP', 0),
			'user_message_rules'		=> array('BOOL', 0),
			'user_full_folder'			=> array('INT:11', -3),
			'user_emailtime'			=> array('TIMESTAMP', 0),
			'user_topic_show_days'		=> array('USINT', 0),
			'user_topic_sortby_type'	=> array('VCHAR:1', 't'),
			'user_topic_sortby_dir'		=> array('VCHAR:1', 'd'),
			'user_post_show_days'		=> array('USINT', 0),
			'user_post_sortby_type'		=> array('VCHAR:1', 't'),
			'user_post_sortby_dir'		=> array('VCHAR:1', 'a'),
			'user_notify'				=> array('BOOL', 0),
			'user_notify_pm'			=> array('BOOL', 1),
			'user_notify_type'			=> array('TINT:4', 0),
			'user_allow_pm'				=> array('BOOL', 1),
			'user_allow_viewonline'		=> array('BOOL', 1),
			'user_allow_viewemail'		=> array('BOOL', 1),
			'user_allow_massemail'		=> array('BOOL', 1),
			'user_options'				=> array('UINT:11', 230271),
			'user_avatar'				=> array('VCHAR', ''),
			'user_avatar_type'			=> array('TINT:2', 0),
			'user_avatar_width'			=> array('USINT', 0),
			'user_avatar_height'		=> array('USINT', 0),
			'user_sig'					=> array('MTEXT_UNI', ''),
			'user_sig_bbcode_uid'		=> array('VCHAR:8', ''),
			'user_sig_bbcode_bitfield'	=> array('VCHAR:255', ''),
			'user_from'					=> array('VCHAR_UNI:100', ''),
			'user_icq'					=> array('VCHAR:15', ''),
			'user_aim'					=> array('VCHAR_UNI', ''),
			'user_yim'					=> array('VCHAR_UNI', ''),
			'user_msnm'					=> array('VCHAR_UNI', ''),
			'user_jabber'				=> array('VCHAR_UNI', ''),
			'user_website'				=> array('VCHAR_UNI:200', ''),
			'user_occ'					=> array('TEXT_UNI', ''),
			'user_interests'			=> array('TEXT_UNI', ''),
			'user_actkey'				=> array('VCHAR:32', ''),
			'user_newpasswd'			=> array('VCHAR_UNI:40', ''),
			'user_form_salt'			=> array('VCHAR_UNI:32', ''),
			'user_new'					=> array('BOOL', 1),
			'user_reminded'				=> array('TINT:4', 0),
			'user_reminded_time'		=> array('TIMESTAMP', 0),
		),
		'PRIMARY_KEY'	=> 'user_id',
		'KEYS'			=> array(
			'user_birthday'				=> array('INDEX', 'user_birthday'),
			'user_email_hash'			=> array('INDEX', 'user_email_hash'),
			'user_type'					=> array('INDEX', 'user_type'),
			'username_clean'			=> array('UNIQUE', 'username_clean'),
		),
	);

	$schema_data['phpbb_warnings'] = array(
		'COLUMNS'		=> array(
			'warning_id'			=> array('UINT', NULL, 'auto_increment'),
			'user_id'				=> array('UINT', 0),
			'post_id'				=> array('UINT', 0),
			'log_id'				=> array('UINT', 0),
			'warning_time'			=> array('TIMESTAMP', 0),
		),
		'PRIMARY_KEY'	=> 'warning_id',
	);

	$schema_data['phpbb_words'] = array(
		'COLUMNS'		=> array(
			'word_id'				=> array('UINT', NULL, 'auto_increment'),
			'word'					=> array('VCHAR_UNI', ''),
			'replacement'			=> array('VCHAR_UNI', ''),
		),
		'PRIMARY_KEY'	=> 'word_id',
	);

	$schema_data['phpbb_zebra'] = array(
		'COLUMNS'		=> array(
			'user_id'				=> array('UINT', 0),
			'zebra_id'				=> array('UINT', 0),
			'friend'				=> array('BOOL', 0),
			'foe'					=> array('BOOL', 0),
		),
		'PRIMARY_KEY'	=> array('user_id', 'zebra_id'),
	);

	return $schema_data;
}