+<?php

+/**

+*

+* @package install

+* @version $Id$

+* @copyright (c) 2006 phpBB Group

+* @license http://opensource.org/licenses/gpl-license.php GNU Public License

+*

+*/

+

+$updates_to_version = '3.0.B2';

+

+if (defined('IN_PHPBB') && defined('IN_INSTALL'))

+{

+ return;

+}

+

+/**

+*/

+define('IN_PHPBB', true);

+define('IN_INSTALL', true);

+

+$phpbb_root_path = './../';

+$phpEx = substr(strrchr(__FILE__, '.'), 1);

+

+// Report all errors, except notices

+//error_reporting(E_ALL ^ E_NOTICE);

+error_reporting(E_ALL);

+

+@set_time_limit(120);

+

+// Include essential scripts

+include($phpbb_root_path . 'config.' . $phpEx);

+

+if (!isset($dbms))

+{

+ die("Please read: <a href='../docs/INSTALL.html'>INSTALL.html</a> before attempting to update.");

+}

+

+// Load Extensions

+if (!empty($load_extensions))

+{

+ $load_extensions = explode(',', $load_extensions);

+

+ foreach ($load_extensions as $extension)

+ {

+ @dl(trim($extension));

+ }

+}

+

+// Include files

+require($phpbb_root_path . 'includes/acm/acm_' . $acm_type . '.' . $phpEx);

+require($phpbb_root_path . 'includes/cache.' . $phpEx);

+require($phpbb_root_path . 'includes/template.' . $phpEx);

+require($phpbb_root_path . 'includes/session.' . $phpEx);

+require($phpbb_root_path . 'includes/auth.' . $phpEx);

+require($phpbb_root_path . 'includes/functions.' . $phpEx);

+require($phpbb_root_path . 'includes/functions_admin.' . $phpEx);

+require($phpbb_root_path . 'includes/constants.' . $phpEx);

+require($phpbb_root_path . 'includes/db/' . $dbms . '.' . $phpEx);

+

+$cache = new cache();

+$db = new $sql_db();

+

+// Connect to DB

+$db->sql_connect($dbhost, $dbuser, $dbpasswd, $dbname, $dbport, false);

+

+// We do not need this any longer, unset for safety purposes

+unset($dbpasswd);

+

+$sql = "SELECT config_value

+ FROM " . CONFIG_TABLE . "

+ WHERE config_name = 'default_lang'";

+$result = $db->sql_query($sql);

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

+$db->sql_freeresult($result);

+

+// And finally, load the relevant language files

+include($phpbb_root_path . 'language/' . $row['config_value'] . '/common.' . $phpEx);

+include($phpbb_root_path . 'language/' . $row['config_value'] . '/acp/common.' . $phpEx);

+include($phpbb_root_path . 'language/' . $row['config_value'] . '/install.' . $phpEx);

+

+// Set PHP error handler to ours

+//set_error_handler('msg_handler');

+

+// Define some variables for the database update

+

+// Database column types mapping

+$dbms_type_map = array(

+ 'mysql' => 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', 'STEXT' => 'text', 'TEXT' => 'text', 'MTEXT' => 'mediumtext', 'TIMESTAMP' => 'int(11) UNSIGNED', 'DECIMAL' => 'decimal(5,2)', 'VCHAR_BIN' => 'varchar(252) /*!40101 CHARACTER SET utf8 */ BINARY', 'VCHAR_CI' => 'varchar(252)', 'VARBINARY' => 'varbinary(255)'),

+ 'firebird' => array('INT:' => 'INTEGER', 'BINT' => 'DOUBLE PRECISION', 'UINT' => 'INTEGER', 'UINT:' => 'INTEGER', 'TINT:' => 'INTEGER', 'USINT' => 'INTEGER', 'BOOL' => 'INTEGER', 'VCHAR' => 'VARCHAR(255)', 'VCHAR:' => 'VARCHAR(%d)', 'CHAR:' => 'CHAR(%d)', 'XSTEXT' => 'BLOB SUB_TYPE TEXT', 'STEXT' => 'BLOB SUB_TYPE TEXT','TEXT' => 'BLOB SUB_TYPE TEXT', 'MTEXT' => 'BLOB SUB_TYPE TEXT', 'TIMESTAMP' => 'INTEGER', 'DECIMAL' => 'DOUBLE PRECISION','VCHAR_BIN' => 'VARCHAR(84) CHARACTER SET UNICODE_FSS', 'VCHAR_CI' => 'VARCHAR(252)', 'VARBINARY' => 'CHAR(255)'),

+ 'mssql' => array('INT:' => '[int]', 'BINT' => '[float]', 'UINT' => '[int]', 'UINT:' => '[int]', 'TINT:' => '[int]', 'USINT' => '[int]', 'BOOL' => '[int]', 'VCHAR' => '[varchar] (255)', 'VCHAR:' => '[varchar] (%d)', 'CHAR:' => '[char] (%d)', 'XSTEXT' => '[varchar] (1000)', 'STEXT' => '[varchar] (3000)', 'TEXT' => '[varchar] (8000)', 'MTEXT' => '[text]', 'TIMESTAMP' => '[int]', 'DECIMAL' => '[float]', 'VCHAR_BIN' => '[nvarchar] (252)', 'VCHAR_CI' => '[varchar] (252)','VARBINARY' => '[varbinary] (255)'),

+ 'oracle' => array('INT:' => 'number(%d)','BINT' => 'number(20)', 'UINT' => 'number(8)', 'UINT:' => 'number(%d)', 'TINT:' => 'number(%d)', 'USINT' => 'number(4)', 'BOOL' => 'number(1)', 'VCHAR' => 'varchar2(255)', 'VCHAR:' => 'varchar2(%d)', 'CHAR:' => 'char(%d)', 'XSTEXT' => 'varchar2(1000)', 'STEXT' => 'varchar2(3000)', 'TEXT' => 'clob', 'MTEXT' => 'clob', 'TIMESTAMP' => 'number(11)', 'DECIMAL' => 'number(5, 2)', 'VCHAR_BIN' => 'nvarchar2(252)', 'VCHAR_CI' => 'varchar2(252)', 'VARBINARY' => 'raw(255)'),

+ 'sqlite' => array('INT:' => 'int(%d)', 'BINT' => 'bigint(20)', 'UINT' => 'INTEGER UNSIGNED', 'UINT:' => 'INTEGER UNSIGNED', 'TINT:' => 'tinyint(%d)', 'USINT' => 'INTEGER UNSIGNED', 'BOOL' => 'INTEGER UNSIGNED', 'VCHAR' => 'varchar(255)', 'VCHAR:' => 'varchar(%d)', 'CHAR:' => 'char(%d)', 'XSTEXT' => 'text(65535)', 'STEXT' => 'text(65535)', 'TEXT' => 'text(65535)', 'MTEXT' => 'mediumtext(16777215)', 'TIMESTAMP' => 'INTEGER UNSIGNED', 'DECIMAL' => 'decimal(5,2)', 'VCHAR_BIN' => 'nvarchar(252)', 'VCHAR_CI' => 'varchar(252)', 'VARBINARY' => 'blob'),

+ 'postgres' => array('INT:' => 'INT4', 'BINT' => 'INT8', 'UINT' => 'INT4', 'UINT:' => 'INT4', 'TINT:' => 'INT2', 'USINT' => 'INT2', 'BOOL' => 'INT2', 'VCHAR' => 'varchar(255)', 'VCHAR:' => 'varchar(%d)', 'CHAR:' => 'char(%d)', 'XSTEXT' => 'varchar(1000)', 'STEXT' => 'varchar(3000)', 'TEXT' => 'varchar(8000)', 'MTEXT' => 'TEXT', 'TIMESTAMP' => 'INT4', 'DECIMAL' => 'decimal(5,2)', 'VCHAR_BIN' => 'varchar(252)', 'VCHAR_CI' => 'varchar_ci', 'VARBINARY' => 'bytea'),

+);

+

+// A list of types being unsigned for better reference in some db's

+$unsigned_types = array('UINT', 'UINT:', 'USINT', 'BOOL', 'TIMESTAMP');

+

+// Only an example, but also commented out

+$database_update_info = array(

+ // Changes within this version

+ '3.0.b3' => array(

+/*

+ // Change the following columns...

+ 'change_columns' => array(

+ USERS_TABLE => array(

+ 'user_avatar_width' => array('USINT', 0),

+ 'user_avatar_height' => array('USINT', 0),

+ ),

+ ),

+ // Add the following columns

+ 'add_columns' => array(

+ TOPICS_TABLE => array(

+ 'topic_first_poster_colour' => array('VCHAR:6', ''),

+ 'topic_last_poster_colour' => array('VCHAR:6', ''),

+ ),

+ FORUMS_TABLE => array(

+ 'forum_last_poster_colour' => array('VCHAR:6', ''),

+ ),

+ ),

+*/

+ ),

+ // Latest version

+ '3.0.0' => array(),

+);

+

+// Determine mapping database type

+$map_dbms = SQL_LAYER;

+

+switch (SQL_LAYER)

+{

+ case 'mysql':

+ case 'mysql4':

+ case 'mysqli':

+ $map_dbms = 'mysql';

+ break;

+

+ case 'mssql':

+ case 'mssql_odbc':

+ $map_dbms = 'mssql';

+ break;

+}

+

+$error_ary = array();

+$errored = false;

+

+?>

+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

+<html xmlns="http://www.w3.org/1999/xhtml" dir="<?php echo $lang['DIRECTION']; ?>">

+<head>

+

+<meta http-equiv="Content-Type" content="text/html; charset=<?php echo $lang['DIRECTION']; ?>" />

+<meta http-equiv="Content-Style-Type" content="text/css" />

+<meta http-equiv="imagetoolbar" content="no" />

+<title><?php echo $lang['UPDATING_TO_LATEST_STABLE']; ?></title>

+

+<link href="../adm/style/admin.css" rel="stylesheet" type="text/css" media="screen" />

+

+</head>

+

+<body>

+<div id="wrap">

+ <div id="page-header">&nbsp;</div>

+

+ <div id="page-body">

+ <div class="panel">

+ <span class="corners-top"><span></span></span>

+ <div id="content">

+ <div id="main">

+

+ <h1><?php echo $lang['UPDATING_TO_LATEST_STABLE']; ?></h1>

+

+ <br />

+

+ <p><?php echo $lang['DATABASE_TYPE']; ?> :: <strong><?php echo SQL_LAYER; ?></strong><br />

+<?php

+

+$sql = "SELECT config_value

+ FROM " . CONFIG_TABLE . "

+ WHERE config_name = 'version'";

+$result = $db->sql_query($sql);

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

+$db->sql_freeresult($result);

+

+echo $lang['PREVIOUS_VERSION'] . ' :: <strong>' . $row['config_value'] . '</strong><br />';

+echo $lang['UPDATED_VERSION'] . ' :: <strong>' . $updates_to_version . '</strong>';

+

+$current_version = strtolower($row['config_value']);

+$latest_version = strtolower($updates_to_version);

+

+// Schema updates

+?>

+ </p><br /><br />

+

+ <h1><?php echo $lang['UPDATE_DATABASE_SCHEMA']; ?></h1>

+

+ <br />

+ <p><?php echo $lang['PROGRESS']; ?> :: <strong>

+

+<?php

+

+flush();

+

+// We go through the schema changes from the lowest to the highest version

+// We skip those versions older than the current version

+$no_updates = true;

+foreach ($database_update_info as $version => $schema_changes)

+{

+ if (version_compare($version, $current_version, '<'))

+ {

+ continue;

+ }

+

+ if (!sizeof($schema_changes))

+ {

+ continue;

+ }

+

+ $no_updates = false;

+

+ // Change columns?

+ if (!empty($schema_changes['change_columns']))

+ {

+ foreach ($schema_changes['change_columns'] as $table => $columns)

+ {

+ foreach ($columns as $column_name => $column_data)

+ {

+ sql_column_change($map_dbms, $table, $column_name, $column_data);

+ }

+ }

+ }

+

+ // Add columns?

+ if (!empty($schema_changes['add_columns']))

+ {

+ foreach ($schema_changes['add_columns'] as $table => $columns)

+ {

+ foreach ($columns as $column_name => $column_data)

+ {

+ // Only add the column if it does not exist yet

+ if (!column_exists($map_dbms, $table, $column_name))

+ {

+ sql_column_add($map_dbms, $table, $column_name, $column_data);

+ }

+ }

+ }

+ }

+}

+

+_write_result($no_updates, $errored, $error_ary);

+

+// Data updates

+$error_ary = array();

+$errored = $no_updates = false;

+

+?>

+

+<br /><br />

+<h1><?php echo $lang['UPDATING_DATA']; ?></h1>

+<br />

+<p><?php echo $lang['PROGRESS']; ?> :: <strong>

+

+<?php

+

+flush();

+

+switch ($current_version)

+{

+ case '3.0.b3':

+/*

+ $sql = 'SELECT forum_id

+ FROM ' . FORUMS_TABLE;

+ $result = _sql($sql, $errored, $error_ary);

+

+ $forum_ids = array();

+ while ($row = $db->sql_fetchrow($result))

+ {

+ $forum_ids[] = $row['forum_id'];

+ }

+ $db->sql_freeresult($result);

+

+ if (sizeof($forum_ids))

+ {

+ // Since we changed the last post informations we need to sync a bit...

+ sync('forum', 'forum_id', $forum_ids, true);

+

+ // Sync topics

+ sync('topic', 'forum_id', $forum_ids, true);

+ }

+*/

+ // No need to change here, before no break should appear

+ break;

+

+ case '3.0.0':

+ default:

+ $no_updates = true;

+ break;

+}

+

+_write_result($no_updates, $errored, $error_ary);

+

+$error_ary = array();

+$errored = $no_updates = false;

+

+?>

+

+<br /><br />

+<h1><?php echo $lang['UPDATE_VERSION_OPTIMIZE']; ?></h1>

+<br />

+<p><?php echo $lang['PROGRESS']; ?> :: <strong>

+

+<?php

+

+flush();

+

+

+/* update the version

+

+$sql = "UPDATE " . CONFIG_TABLE . "

+ SET config_value = '$updates_to_version'

+ WHERE config_name = 'version'";

+_sql($sql, $errored, $error_ary);

+

+// Optimize/vacuum analyze the tables where appropriate

+// this should be done for each version in future along with

+// the version number update

+switch (SQL_LAYER)

+{

+ case 'mysql':

+ case 'mysql4':

+ $sql = 'OPTIMIZE TABLE ' . $table_prefix . 'auth_access, ' . $table_prefix . 'banlist, ' . $table_prefix . 'categories, ' . $table_prefix . 'config, ' . $table_prefix . 'disallow, ' . $table_prefix . 'forum_prune, ' . $table_prefix . 'forums, ' . $table_prefix . 'groups, ' . $table_prefix . 'posts, ' . $table_prefix . 'posts_text, ' . $table_prefix . 'privmsgs, ' . $table_prefix . 'privmsgs_text, ' . $table_prefix . 'ranks, ' . $table_prefix . 'search_results, ' . $table_prefix . 'search_wordlist, ' . $table_prefix . 'search_wordmatch, ' . $table_prefix . 'sessions_keys' . $table_prefix . 'smilies, ' . $table_prefix . 'themes, ' . $table_prefix . 'themes_name, ' . $table_prefix . 'topics, ' . $table_prefix . 'topics_watch, ' . $table_prefix . 'user_group, ' . $table_prefix . 'users, ' . $table_prefix . 'vote_desc, ' . $table_prefix . 'vote_results, ' . $table_prefix . 'vote_voters, ' . $table_prefix . 'words';

+ _sql($sql, $errored, $error_ary);

+ break;

+

+ case 'postgresql':

+ _sql("VACUUM ANALYZE", $errored, $error_ary);

+ break;

+}

+*/

+

+_write_result($no_updates, $errored, $error_ary);

+

+?>

+

+<br />

+<h1><?php echo $lang['UPDATE_COMPLETED']; ?></h1>

+

+<br />

+

+<p style="color:red"><?php echo $lang['UPDATE_FILES_NOTICE']; ?></p>

+

+<p><?php echo $lang['COMPLETE_LOGIN_TO_BOARD']; ?></p>

+

+<?php

+

+// Now we purge the session table as well as all cache files

+$cache->purge();

+

+?>

+

+ </div>

+ </div>

+ <span class="corners-bottom"><span></span></span>

+ </div>

+ </div>

+

+ <div id="page-footer">

+ Powered by phpBB &copy; 2006 <a href="http://www.phpbb.com/">phpBB Group</a>

+ </div>

+</div>

+

+</body>

+</html>

+

+<?php

+

+/**

+* Function for triggering an sql statement

+*/

+function _sql($sql, &$errored, &$error_ary, $echo_dot = true)

+{

+ global $db;

+

+ $db->sql_return_on_error(true);

+

+ $result = $db->sql_query($sql);

+

+ if ($db->sql_error_triggered)

+ {

+ $errored = true;

+ $error_ary['sql'][] = $db->sql_error_sql;

+ $error_ary['error_code'][] = $db->_sql_error();

+ }

+

+ $db->sql_return_on_error(false);

+

+ if ($echo_dot)

+ {

+ echo ". \n";

+ flush();

+ }

+

+ return $result;

+}

+

+function _write_result($no_updates, $errored, $error_ary)

+{

+ global $lang;

+

+ if ($no_updates)

+ {

+ echo ' ' . $lang['NO_UPDATES_REQUIRED'] . '</strong></p>';

+ }

+ else

+ {

+ echo ' <span class="success">' . $lang['DONE'] . '</span></strong><br />' . $lang['RESULT'] . ' :: ';

+

+ if ($errored)

+ {

+ echo ' <strong>' . $lang['SOME_QUERIES_FAILED'] . '</strong> <ul>';

+

+ for ($i = 0; $i < sizeof($error_ary['sql']); $i++)

+ {

+ echo '<li>' . $lang['ERROR'] . ' :: <strong>' . $error_ary['error_code'][$i]['message'] . '</strong><br />';

+ echo $lang['SQL'] . ' :: <strong>' . $error_ary['sql'][$i] . '</strong><br /><br /></li>';

+ }

+

+ echo '</ul> <br /><br />' . $lang['SQL_FAILURE_EXPLAIN'] . '</p>';

+ }

+ else

+ {

+ echo '<strong>' . $lang['NO_ERRORS'] . '</strong></p>';

+ }

+ }

+}

+

+/**

+* Check if a specified column exist

+*/

+function column_exists($dbms, $table, $column_name)

+{

+ global $db;

+

+ $db->sql_return_on_error(true);

+

+ $sql = "SELECT $column_name FROM $table";

+ $result = $db->sql_query_limit($sql, 1);

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

+ $db->sql_freeresult($result);

+

+ $error = ($db->sql_error_triggered) ? true : false;

+

+ $db->sql_return_on_error(false);

+

+ return (!$error) ? true : false;

+}

+

+/**

+* Function to prepare some column informations for better usage

+*/

+function prepare_column_data($dbms, $column_data)

+{

+ global $dbms_type_map, $unsigned_types;

+

+ // Get final column type...

+ if (strpos($column_data[0], ':') !== false)

+ {

+ list($orig_column_type, $column_length) = explode(':', $column_data[0]);

+

+ $column_type = sprintf($dbms_type_map[$dbms][$orig_column_type . ':'], $column_length);

+ $orig_column_type .= ':';

+ }

+ else

+ {

+ $orig_column_type = $column_data[0];

+ $column_type = $dbms_type_map[$dbms][$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'];

+ }

+

+ $sql = '';

+

+ switch ($dbms)

+ {

+ case 'firebird':

+ $sql .= " {$column_type} ";

+

+ if (!is_null($column_data[1]))

+ {

+ $sql .= 'DEFAULT ' . ((is_numeric($column_data[1])) ? $column_data[1] : "'{$column_data[1]}'") . ' ';

+ }

+

+ $sql .= "NOT NULL";

+ break;

+

+ case 'mssql':

+ $sql .= " {$column_type} ";

+

+ if (!is_null($column_data[1]))

+ {

+ // For hexadecimal values do not use single quotes

+ if (strpos($column_data[1], '0x') === 0)

+ {

+ $sql .= 'DEFAULT (' . $column_data[1] . ') ';

+ }

+ else

+ {

+ $sql .= 'DEFAULT (' . ((is_numeric($column_data[1])) ? $column_data[1] : "'{$column_data[1]}'") . ') ';

+ }

+ }

+

+ $sql .= 'NOT NULL';

+ break;

+

+ case 'mysql':

+ $sql .= " {$column_type} ";

+

+ // For hexadecimal values do not use single quotes

+ if (!is_null($column_data[1]))

+ {

+ $sql .= (strpos($column_data[1], '0x') === 0) ? "DEFAULT {$column_data[1]} " : "DEFAULT '{$column_data[1]}' ";

+ }

+ $sql .= 'NOT NULL';

+ break;

+

+ case 'oracle':

+ $sql .= " {$column_type} ";

+ $sql .= (!is_null($column_data[1])) ? "DEFAULT '{$column_data[1]}' " : '';

+

+ // In Oracle empty strings ('') are treated as NULL.

+ // Therefore in oracle we allow NULL's for all DEFAULT '' entries

+ $sql .= ($column_data[1] === '') ? '' : 'NOT NULL';

+ break;

+

+ case 'postgres':

+ $sql .= " {$column_type} ";

+

+ $sql .= (!is_null($column_data[1])) ? "DEFAULT '{$column_data[1]}' " : '';

+ $sql .= 'NOT NULL';

+

+ // Unsigned? Then add a CHECK contraint

+ if (in_array($orig_column_type, $unsigned_types))

+ {

+ $sql .= " CHECK ({$column_name} >= 0)";

+ }

+ break;

+

+ case 'sqlite':

+ $sql .= ' ' . $column_type . ' NOT NULL ';

+ $sql .= (!is_null($column_data[1])) ? "DEFAULT '{$column_data[1]}'" : '';

+ break;

+ }

+

+ return array(

+ 'column_type_sql' => $sql,

+ );

+}

+

+/**

+* Add new column

+*/

+function sql_column_add($dbms, $table_name, $column_name, $column_data)

+{

+ global $errored, $error_ary;

+

+ $column_data = prepare_column_data($dbms, $column_data);

+

+ switch ($dbms)

+ {

+ case 'firebird':

+ $sql = 'ALTER TABLE "' . $table_name . '" ADD "' . $column_name . '" ' . $column_data['column_type_sql'];

+ _sql($sql, $errored, $error_ary);

+ break;

+

+ case 'mssql':

+ $sql = 'ALTER TABLE [' . $table_name . '] ADD [' . $column_name . '] ' . $column_data['column_type_sql'];

+ _sql($sql, $errored, $error_ary);

+ break;

+

+ case 'mysql':

+ $sql = 'ALTER TABLE `' . $table_name . '` ADD COLUMN `' . $column_name . '` ' . $column_data['column_type_sql'];

+ _sql($sql, $errored, $error_ary);

+ break;

+

+ case 'oracle':

+ $sql = 'ALTER TABLE ' . $table_name . ' ADD ' . $column_name . ' ' . $coumn_data['column_type_sql'];

+ _sql($sql, $errored, $error_ary);

+ break;

+

+ case 'postgres':

+ $sql = 'ALTER TABLE ' . $table_name . ' ADD COLUMN "' . $column_name . '" ' . $column_data['column_type_sql'];

+ _sql($sql, $errored, $error_ary);

+ break;

+

+ case 'sqlite':

+ if (version_compare(sqlite_libversion(), '3.0') == -1)

+ {

+ $sql = "SELECT sql

+ FROM sqlite_master

+ WHERE type = 'table'

+ AND name = '{$table_name}'

+ ORDER BY type DESC, name;";

+ $result = _sql($sql, $errored, $error_ary);

+

+ if (!$result)

+ {

+ break;

+ }

+

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

+ $db->sql_freeresult($result);

+

+ $db->sql_transaction('begin');

+

+ // Create a backup table and populate it, destroy the existing one

+ $db->sql_query(preg_replace('#CREATE\s+TABLE\s+"?' . $table_name . '"?#i', 'CREATE TEMPORARY TABLE ' . $table_name . '_temp', $row['sql']));

+ $db->sql_query('INSERT INTO ' . $table_name . '_temp SELECT * FROM ' . $table_name);

+ $db->sql_query('DROP TABLE ' . $table_name);

+

+ preg_match('#\((.*)\)#s', $row['sql'], $matches);

+

+ $new_table_cols = trim($matches[1]);

+ $old_table_cols = preg_split('/,(?=[\\sa-z])/im', $new_table_cols);

+ $column_list = array();

+

+ foreach ($old_table_cols as $declaration)

+ {

+ $entities = preg_split('#\s+#', trim($declaration));

+ if ($entities == 'PRIMARY')

+ {

+ continue;

+ }

+ $column_list[] = $entities[0];

+ }

+

+ $columns = implode(',', $column_list);

+

+ $new_table_cols = $column_name . ' ' . $column_data['column_type_sql'] . ',' . $new_table_cols;

+

+ // create a new table and fill it up. destroy the temp one

+ $db->sql_query('CREATE TABLE ' . $table_name . ' (' . $new_table_cols . ');');

+ $db->sql_query('INSERT INTO ' . $table_name . ' (' . $columns . ') SELECT ' . $columns . ' FROM ' . $table_name . '_temp;');

+ $db->sql_query('DROP TABLE ' . $table_name . '_temp');

+

+ $db->sql_transaction('commit');

+ }

+ else

+ {

+ $sql = 'ALTER TABLE ' . $table_name . ' ADD ' . $column_name . ' [' . $colum_data['column_type_sql'] . ']';

+ _sql($sql, $errored, $error_ary);

+ }

+ break;

+ }

+}

+

+/**

+* Change column type (not name!)

+*/

+function sql_column_change($dbms, $table_name, $column_name, $column_data)

+{

+ global $dbms_type_map, $db;

+

+ $column_data = prepare_column_data($dbms, $column_data);

+

+ switch ($dbms)

+ {

+ case 'firebird':

+ // Change type...

+ $sql = 'ALTER TABLE "' . $table_name . '" ALTER COLUMN "' . $column_name . '" TYPE ' . ' ' . $column_data['column_type_sql'];

+ _sql($sql, $errored, $error_ary);

+ break;

+

+ case 'mssql':

+ $sql = 'ALTER TABLE [' . $table_name . '] ALTER COLUMN [' . $column_name . '] ' . $column_data['column_type_sql'];

+ _sql($sql, $errored, $error_ary);

+ break;

+

+ case 'mysql':

+ $sql = 'ALTER TABLE `' . $table_name . '` CHANGE `' . $column_name . '` `' . $column_name . '` ' . $column_data['column_type_sql'];

+ _sql($sql, $errored, $error_ary);

+ break;

+

+ case 'oracle':

+ $sql = 'ALTER TABLE ' . $table_name . ' MODIFY ' . $column_name . ' ' . $column_data['column_type_sql'];

+ _sql($sql, $errored, $error_ary);

+ break;

+

+ case 'postgres':

+ $sql = 'ALTER TABLE ' . $table_name . ' ALTER COLUMN ' . $column_name . ' SET ' . $column_data['column_type_sql'];

+ _sql($sql, $errored, $error_ary);

+ break;

+

+ case 'sqlite':

+

+ $sql = "SELECT sql

+ FROM sqlite_master

+ WHERE type = 'table'

+ AND name = '{$table_name}'

+ ORDER BY type DESC, name;";

+ $result = _sql($sql, $errored, $error_ary);

+

+ if (!$result)

+ {

+ break;

+ }

+

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

+ $db->sql_freeresult($result);

+

+ $db->sql_transaction('begin');

+

+ // Create a temp table and populate it, destroy the existing one

+ $db->sql_query(preg_replace('#CREATE\s+TABLE\s+"?' . $table_name . '"?#i', 'CREATE TEMPORARY TABLE ' . $table_name . '_temp', $row['sql']));

+ $db->sql_query('INSERT INTO ' . $table_name . '_temp SELECT * FROM ' . $table_name);

+ $db->sql_query('DROP TABLE ' . $table_name);

+

+ preg_match('#\((.*)\)#s', $row['sql'], $matches);

+

+ $new_table_cols = trim($matches[1]);

+ $old_table_cols = preg_split('/,(?=[\\sa-z])/im', $new_table_cols);

+ $column_list = array();

+

+ foreach ($old_table_cols as $key => $declaration)

+ {

+ $entities = preg_split('#\s+#', trim($declaration));

+ $column_list[] = $entities[0];

+ if ($entities[0] == $column_name)

+ {

+ $old_table_cols[$key] = $column_name . ' ' . $column_data['column_type_sql'];

+ }

+ }

+

+ $columns = implode(',', $column_list);

+

+ // create a new table and fill it up. destroy the temp one

+ $db->sql_query('CREATE TABLE ' . $table_name . ' (' . implode(',', $old_table_cols) . ');');

+ $db->sql_query('INSERT INTO ' . $table_name . ' (' . $columns . ') SELECT ' . $columns . ' FROM ' . $table_name . '_temp;');

+ $db->sql_query('DROP TABLE ' . $table_name . '_temp');

+

+ $db->sql_transaction('commit');

+

+ break;

+ }

+}

+

+?> \ No newline at end of file