mirror of
https://github.com/YunoHost-Apps/piwigo_ynh.git
synced 2024-09-03 20:06:03 +02:00
300 lines
9.9 KiB
PHP
300 lines
9.9 KiB
PHP
<?php
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// +-----------------------------------------------------------------------+
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// | Piwigo - a PHP based photo gallery |
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// +-----------------------------------------------------------------------+
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// | Copyright(C) 2008-2014 Piwigo Team http://piwigo.org |
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// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net |
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// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick |
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// +-----------------------------------------------------------------------+
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// | This program is free software; you can redistribute it and/or modify |
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// | it under the terms of the GNU General Public License as published by |
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// | the Free Software Foundation |
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// | |
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// | This program is distributed in the hope that it will be useful, but |
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// | WITHOUT ANY WARRANTY; without even the implied warranty of |
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// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// | General Public License for more details. |
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// | |
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// | You should have received a copy of the GNU General Public License |
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// | along with this program; if not, write to the Free Software |
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// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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// | USA. |
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// +-----------------------------------------------------------------------+
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if (!defined('PHPWG_ROOT_PATH'))
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{
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die('Hacking attempt!');
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}
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function upgrade65_change_table_to_blob($table, $field_definitions)
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{
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$types = array('varchar' => 'varbinary',
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'text' => 'blob',
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'mediumtext' => 'mediumblob',
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'longtext' => 'longblob');
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$changes=array();
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foreach( $field_definitions as $row)
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{
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if ( !isset($row['Collation']) or $row['Collation']=='NULL' )
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continue;
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list ($type) = explode('(', $row['Type']);
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if (!isset($types[$type]))
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continue; // no need
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$binaryType = preg_replace('/'. $type .'/i', $types[$type], $row['Type'] );
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$changes[] = 'MODIFY COLUMN '.$row['Field'].' '.$binaryType;
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}
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if (count($changes))
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{
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$query = 'ALTER TABLE '.$table.' '.implode(', ', $changes);
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pwg_query($query);
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}
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}
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function upgrade65_change_table_to_charset($table, $field_definitions, $db_charset)
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{
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$changes=array();
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foreach( $field_definitions as $row)
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{
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if ( !isset($row['Collation']) or $row['Collation']=='NULL' )
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continue;
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$query = $row['Field'].' '.$row['Type'];
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$query .= ' CHARACTER SET '.$db_charset;
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if (strpos($row['Collation'],'_bin')!==false)
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{
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$query .= ' BINARY';
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}
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if ($row['Null']!='YES')
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{
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$query.=' NOT NULL';
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if (isset($row['Default']))
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$query.=' DEFAULT "'.addslashes($row['Default']).'"';
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}
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else
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{
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if (!isset($row['Default']))
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$query.=' DEFAULT NULL';
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else
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$query.=' DEFAULT "'.addslashes($row['Default']).'"';
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}
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if ($row['Extra']=='auto_increment')
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{
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$query.=' auto_increment';
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}
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$changes[] = 'MODIFY COLUMN '.$query;
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}
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if (count($changes))
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{
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$query = 'ALTER TABLE `'.$table.'` '.implode(', ', $changes);
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pwg_query($query);
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}
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}
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$upgrade_description = 'PWG charset migration';
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// +-----------------------------------------------------------------------+
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// | Upgrade content |
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// +-----------------------------------------------------------------------+
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if ( !defined('PWG_CHARSET') )
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{
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$upgrade_log = '';
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// +-----------------------------------------------------------------------+
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// load all the user languages
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$all_langs=array();
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$query='
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SELECT language, COUNT(user_id) AS count FROM '.USER_INFOS_TABLE.'
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GROUP BY language';
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$result = pwg_query($query);
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while ( $row=pwg_db_fetch_assoc($result) )
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{
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$language = $row["language"];
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$lang_def = explode('.', $language);
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if ( count($lang_def)==2 )
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{
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$new_lang = $lang_def[0];
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$charset = strtolower($lang_def[1]);
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}
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else
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{
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$new_lang = 'en_UK';
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$charset = 'iso-8859-1';
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}
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$all_langs[$language] = array(
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'count' => $row['count'],
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'new_lang' => $new_lang,
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'charset' => $charset,
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);
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$upgrade_log .= ">>user_lang\t".$language."\t".$row['count']."\n";
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}
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$upgrade_log .= "\n";
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// +-----------------------------------------------------------------------+
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// get admin charset
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include(PHPWG_ROOT_PATH . 'include/config_default.inc.php');
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@include(PHPWG_ROOT_PATH. 'local/config/config.inc.php');
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$admin_charset='iso-8859-1';
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$query='
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SELECT language FROM '.USER_INFOS_TABLE.'
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WHERE user_id='.$conf['webmaster_id'];
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$result = pwg_query($query);
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if (pwg_db_num_rows($result)==0)
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{
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$query='
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SELECT language FROM '.USER_INFOS_TABLE.'
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WHERE status="webmaster" and adviser="false"
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LIMIT 1';
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$result = pwg_query($query);
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}
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if ( $row=pwg_db_fetch_assoc($result) )
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{
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$admin_charset = $all_langs[$row['language']]['charset'];
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}
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$upgrade_log .= ">>admin_charset\t".$admin_charset."\n";
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// +-----------------------------------------------------------------------+
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// get mysql version and structure of tables
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$mysql_version = mysql_get_server_info();
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$upgrade_log .= ">>mysql_ver\t".$mysql_version."\n";
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$all_tables = array();
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$query = 'SHOW TABLES LIKE "'.$prefixeTable.'%"';
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$result = pwg_query($query);
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while ( $row=pwg_db_fetch_row($result) )
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{
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array_push($all_tables, $row[0]);
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}
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$all_tables_definition = array();
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foreach( $all_tables as $table)
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{
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$query = 'SHOW FULL COLUMNS FROM '.$table;
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$result = pwg_query($query);
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$field_definitions=array();
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while ( $row=pwg_db_fetch_assoc($result) )
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{
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if ( !isset($row['Collation']) or $row['Collation']=='NULL' )
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continue;
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array_push($field_definitions, $row);
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}
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$all_tables_definition[$table] = $field_definitions;
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}
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// +-----------------------------------------------------------------------+
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// calculate the result and convert the tables
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//tables that can be converted without going through binary (they contain only ascii data)
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$safe_tables=array('history','history_backup','history_summary','old_permalinks','plugins','rate','upgrade','user_cache','user_feed','user_infos','user_mail_notification', 'users', 'waiting','ws_access');
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$safe_tables=array_flip($safe_tables);
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$pwg_charset = 'iso-8859-1';
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$db_charset = 'latin1';
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$db_collate = '';
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if ( version_compare($mysql_version, '4.1', '<') )
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{ // below 4.1 no charset support
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$upgrade_log .= "< conversion\tnothing\n";
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}
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elseif ($admin_charset=='iso-8859-1')
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{
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$pwg_charset = 'utf-8';
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$db_charset = 'utf8';
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foreach($all_tables as $table)
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{
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upgrade65_change_table_to_charset($table, $all_tables_definition[$table], 'utf8' );
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$query = 'ALTER TABLE '.$table.' DEFAULT CHARACTER SET utf8';
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pwg_query($query);
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}
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$upgrade_log .= "< conversion\tchange utf8\n";
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}
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/*ALTER TABLE tbl_name CONVERT TO CHARACTER SET charset_name; (or change column character set)
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Warning: The preceding operation converts column values between the character sets. This is not what you want if you have a column in one character set (like latin1) but the stored values actually use some other, incompatible character set (like utf8). In this case, you have to do the following for each such column:
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ALTER TABLE t1 CHANGE c1 c1 BLOB;
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ALTER TABLE t1 CHANGE c1 c1 TEXT CHARACTER SET utf8;
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*/
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elseif ( $admin_charset=='utf-8')
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{
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$pwg_charset = 'utf-8';
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$db_charset = 'utf8';
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foreach($all_tables as $table)
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{
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if ( !isset($safe_tables[ substr($table, strlen($prefixeTable)) ]) )
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upgrade65_change_table_to_blob($table, $all_tables_definition[$table] );
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upgrade65_change_table_to_charset($table, $all_tables_definition[$table], 'utf8' );
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$query = 'ALTER TABLE '.$table.' DEFAULT CHARACTER SET utf8';
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pwg_query($query);
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}
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$upgrade_log .= "< conversion\tchange binary\n";
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$upgrade_log .= "< conversion\tchange utf8\n";
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}
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elseif ( $admin_charset=='iso-8859-2'/*Central European*/)
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{
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$pwg_charset = 'utf-8';
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$db_charset = 'utf8';
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foreach($all_tables as $table)
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{
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if ( !isset($safe_tables[ substr($table, strlen($prefixeTable)) ]) )
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{
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upgrade65_change_table_to_blob($table, $all_tables_definition[$table] );
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upgrade65_change_table_to_charset($table, $all_tables_definition[$table], 'latin2' );
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}
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upgrade65_change_table_to_charset($table, $all_tables_definition[$table], 'utf8' );
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$query = 'ALTER TABLE '.$table.' DEFAULT CHARACTER SET utf8';
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pwg_query($query);
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}
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$upgrade_log .= "< conversion\tchange binary\n";
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$upgrade_log .= "< conversion\tchange latin2\n";
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$upgrade_log .= "< conversion\tchange utf8\n";
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}
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// +-----------------------------------------------------------------------+
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// changes to write in database.inc.php
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array_push($mysql_changes,
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'define(\'PWG_CHARSET\', \''.$pwg_charset.'\');
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define(\'DB_CHARSET\', \''.$db_charset.'\');
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define(\'DB_COLLATE\', \'\');'
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);
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foreach ($all_langs as $old_lang=>$lang_data)
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{
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$query='
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UPDATE '.USER_INFOS_TABLE.' SET language="'.$lang_data['new_lang'].'"
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WHERE language="'.$old_lang.'"';
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pwg_query($query);
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}
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define('PWG_CHARSET', $pwg_charset);
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define('DB_CHARSET', $db_charset);
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define('DB_COLLATE', '');
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if ( version_compare(mysql_get_server_info(), '4.1.0', '>=') and DB_CHARSET!='' )
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{
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pwg_query('SET NAMES "'.DB_CHARSET.'"');
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}
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echo $upgrade_log;
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$fp = @fopen( PHPWG_ROOT_PATH.'upgrade65.log', 'w' );
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if ($fp)
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{
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@fputs($fp, $upgrade_log, strlen($upgrade_log));
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@fclose($fp);
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}
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echo
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"\n"
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.'"'.$upgrade_description.'"'.' ended'
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."\n"
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;
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}
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else
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{
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echo 'PWG_CHARSET already defined - nada';
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}
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?>
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