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Commit 7914ad0f authored by Steven Wittens's avatar Steven Wittens
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- #40515: Ensure UTF-8 character set on the database side (and include upgrade... 

- #40515: Ensure UTF-8 character set on the database side (and include upgrade path for incorrectly set up databases)
parent 0ff0c4be
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Showing with 321 additions and 83 deletions
INSTALL.pgsql.txt
View file @ 7914ad0f
......@@ -41,6 +41,7 @@ INSTALLATION AND CONFIGURATION
createdb --encoding=UNICODE --owner=username databasename
If everything works correctly, you'll see a "CREATE DATABASE" notice.
Note that the database must be created with UTF-8 (Unicode) encoding.
3. LOAD THE DRUPAL DATABASE SCHEMA
......
database/database.mysql
View file @ 7914ad0f
-- MySQL dump 8.22
--
-- Host: localhost Database: drupal_devel
-- Server version 3.23.52-nt
--
-- Table structure for table 'access'
--
CREATE TABLE access (
aid tinyint(10) NOT NULL auto_increment,
mask varchar(255) NOT NULL default '',
type varchar(255) NOT NULL default '',
status tinyint(2) NOT NULL default '0',
PRIMARY KEY (aid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'accesslog'
......@@ -31,7 +26,8 @@ CREATE TABLE accesslog (
timestamp int(11) unsigned NOT NULL default '0',
KEY accesslog_timestamp (timestamp),
PRIMARY KEY (aid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'aggregator_category'
......@@ -44,7 +40,8 @@ CREATE TABLE aggregator_category (
block tinyint(2) NOT NULL default '0',
PRIMARY KEY (cid),
UNIQUE KEY title (title)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'aggregator_category_feed'
......@@ -54,7 +51,8 @@ CREATE TABLE aggregator_category_feed (
fid int(10) NOT NULL default '0',
cid int(10) NOT NULL default '0',
PRIMARY KEY (fid,cid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'aggregator_category_item'
......@@ -64,7 +62,8 @@ CREATE TABLE aggregator_category_item (
iid int(10) NOT NULL default '0',
cid int(10) NOT NULL default '0',
PRIMARY KEY (iid,cid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'aggregator_feed'
......@@ -85,7 +84,8 @@ CREATE TABLE aggregator_feed (
PRIMARY KEY (fid),
UNIQUE KEY link (url),
UNIQUE KEY title (title)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'aggregator_item'
......@@ -100,7 +100,8 @@ CREATE TABLE aggregator_item (
description longtext NOT NULL,
timestamp int(11) default NULL,
PRIMARY KEY (iid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'authmap'
......@@ -113,7 +114,8 @@ CREATE TABLE authmap (
module varchar(128) NOT NULL default '',
PRIMARY KEY (aid),
UNIQUE KEY authname (authname)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'blocks'
......@@ -130,7 +132,8 @@ CREATE TABLE blocks (
throttle tinyint(1) DEFAULT '0' NOT NULL,
visibility tinyint(1) DEFAULT '0' NOT NULL,
pages text DEFAULT '' NOT NULL
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'book'
......@@ -144,7 +147,8 @@ CREATE TABLE book (
PRIMARY KEY (vid),
KEY nid (nid),
KEY parent (parent)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'boxes'
......@@ -158,7 +162,8 @@ CREATE TABLE boxes (
format int(4) NOT NULL default '0',
PRIMARY KEY (bid),
UNIQUE KEY info (info)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'cache'
......@@ -172,7 +177,8 @@ CREATE TABLE cache (
headers text,
PRIMARY KEY (cid),
INDEX expire (expire)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'comments'
......@@ -197,7 +203,8 @@ CREATE TABLE comments (
homepage varchar(255) default NULL,
PRIMARY KEY (cid),
KEY lid (nid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structre for table 'contact'
......@@ -212,7 +219,8 @@ CREATE TABLE contact (
selected tinyint(1) NOT NULL default '0',
PRIMARY KEY (cid),
UNIQUE KEY category (category)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structre for table 'node_comment_statistics'
......@@ -226,7 +234,8 @@ CREATE TABLE node_comment_statistics (
comment_count int(10) unsigned NOT NULL default '0',
PRIMARY KEY (nid),
KEY node_comment_timestamp (last_comment_timestamp)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'client'
......@@ -245,7 +254,8 @@ CREATE TABLE client (
created int(11) NOT NULL default '0',
changed int(11) NOT NULL default '0',
PRIMARY KEY (cid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'client_system'
......@@ -256,7 +266,8 @@ CREATE TABLE client_system (
name varchar(255) NOT NULL default '',
type varchar(255) NOT NULL default '',
PRIMARY KEY (cid,name)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'files'
......@@ -274,7 +285,8 @@ CREATE TABLE files (
list tinyint(1) unsigned NOT NULL default '0',
KEY vid (vid),
KEY fid (fid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'filter_formats'
......@@ -286,7 +298,8 @@ CREATE TABLE filter_formats (
roles varchar(255) NOT NULL default '',
cache tinyint(2) NOT NULL default '0',
PRIMARY KEY (format)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'filters'
......@@ -298,7 +311,8 @@ CREATE TABLE filters (
delta tinyint(2) DEFAULT '0' NOT NULL,
weight tinyint(2) DEFAULT '0' NOT NULL,
INDEX (weight)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'flood'
......@@ -308,7 +322,8 @@ CREATE TABLE flood (
event varchar(64) NOT NULL default '',
hostname varchar(128) NOT NULL default '',
timestamp int(11) NOT NULL default '0'
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'forum'
......@@ -321,7 +336,8 @@ CREATE TABLE forum (
PRIMARY KEY (nid),
KEY vid (vid),
KEY tid (tid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'history'
......@@ -332,7 +348,8 @@ CREATE TABLE history (
nid int(10) NOT NULL default '0',
timestamp int(11) NOT NULL default '0',
PRIMARY KEY (uid,nid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'locales_meta'
......@@ -346,7 +363,8 @@ CREATE TABLE locales_meta (
plurals int(1) NOT NULL default '0',
formula varchar(128) NOT NULL default '',
PRIMARY KEY (locale)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'locales_source'
......@@ -357,7 +375,8 @@ CREATE TABLE locales_source (
location varchar(255) NOT NULL default '',
source blob NOT NULL,
PRIMARY KEY (lid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'locales_target'
......@@ -373,7 +392,8 @@ CREATE TABLE locales_target (
KEY lang (locale),
KEY plid (plid),
KEY plural (plural)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'menu'
......@@ -388,7 +408,8 @@ CREATE TABLE menu (
weight tinyint(4) NOT NULL default '0',
type int(2) unsigned NOT NULL default '0',
PRIMARY KEY (mid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'node'
......@@ -418,7 +439,8 @@ CREATE TABLE node (
KEY node_created (created),
KEY node_changed (changed),
KEY node_status_type (status, type, nid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table `node_access`
......@@ -432,7 +454,8 @@ CREATE TABLE node_access (
grant_update tinyint(1) unsigned NOT NULL default '0',
grant_delete tinyint(1) unsigned NOT NULL default '0',
PRIMARY KEY (nid,gid,realm)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'node_revisions'
......@@ -450,7 +473,8 @@ CREATE TABLE node_revisions (
format int(4) NOT NULL default '0',
PRIMARY KEY (nid,vid),
KEY uid (uid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'profile_fields'
......@@ -472,7 +496,8 @@ CREATE TABLE profile_fields (
KEY category (category),
UNIQUE KEY name (name),
PRIMARY KEY (fid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'profile_values'
......@@ -484,7 +509,8 @@ CREATE TABLE profile_values (
value text,
KEY uid (uid),
KEY fid (fid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
......@@ -498,7 +524,8 @@ CREATE TABLE url_alias (
PRIMARY KEY (pid),
UNIQUE KEY dst (dst),
KEY src (src)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'permission'
......@@ -509,7 +536,8 @@ CREATE TABLE permission (
perm longtext,
tid int(10) unsigned NOT NULL default '0',
KEY rid (rid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'poll'
......@@ -520,7 +548,8 @@ CREATE TABLE poll (
runtime int(10) NOT NULL default '0',
active int(2) unsigned NOT NULL default '0',
PRIMARY KEY (nid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'poll_votes'
......@@ -533,7 +562,8 @@ CREATE TABLE poll_votes (
INDEX (nid),
INDEX (uid),
INDEX (hostname)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'poll_choices'
......@@ -547,7 +577,8 @@ CREATE TABLE poll_choices (
chorder int(2) NOT NULL default '0',
PRIMARY KEY (chid),
KEY nid (nid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'role'
......@@ -558,7 +589,8 @@ CREATE TABLE role (
name varchar(32) NOT NULL default '',
PRIMARY KEY (rid),
UNIQUE KEY name (name)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'search_dataset'
......@@ -568,7 +600,8 @@ CREATE TABLE search_dataset (
type varchar(16) default NULL,
data longtext NOT NULL,
KEY sid_type (sid, type)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'search_index'
......@@ -584,7 +617,8 @@ CREATE TABLE search_index (
KEY sid_type (sid, type),
KEY from_sid_type (fromsid, fromtype),
KEY word (word)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'search_total'
......@@ -594,7 +628,8 @@ CREATE TABLE search_total (
word varchar(50) NOT NULL default '',
count float default NULL,
PRIMARY KEY (word)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'sessions'
......@@ -611,7 +646,8 @@ CREATE TABLE sessions (
KEY uid (uid),
PRIMARY KEY (sid),
KEY timestamp (timestamp)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'sequences'
......@@ -621,7 +657,8 @@ CREATE TABLE sequences (
name varchar(255) NOT NULL default '',
id int(10) unsigned NOT NULL default '0',
PRIMARY KEY (name)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'node_counter'
......@@ -636,7 +673,8 @@ CREATE TABLE node_counter (
KEY totalcount (totalcount),
KEY daycount (daycount),
KEY timestamp (timestamp)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'system'
......@@ -650,11 +688,12 @@ CREATE TABLE system (
status int(2) NOT NULL default '0',
throttle tinyint(1) DEFAULT '0' NOT NULL,
bootstrap int(2) NOT NULL default '0',
schema_version smallint(2) unsigned NOT NULL default 0,
schema_version smallint(3) NOT NULL default -1,
weight int(2) NOT NULL default '0',
PRIMARY KEY (filename),
KEY (weight)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'term_data'
......@@ -668,7 +707,8 @@ CREATE TABLE term_data (
weight tinyint(4) NOT NULL default '0',
PRIMARY KEY (tid),
KEY vid (vid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'term_hierarchy'
......@@ -680,7 +720,8 @@ CREATE TABLE term_hierarchy (
KEY tid (tid),
KEY parent (parent),
PRIMARY KEY (tid, parent)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'term_node'
......@@ -692,7 +733,8 @@ CREATE TABLE term_node (
KEY nid (nid),
KEY tid (tid),
PRIMARY KEY (tid,nid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'term_relation'
......@@ -703,7 +745,8 @@ CREATE TABLE term_relation (
tid2 int(10) unsigned NOT NULL default '0',
KEY tid1 (tid1),
KEY tid2 (tid2)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'term_synonym'
......@@ -714,7 +757,8 @@ CREATE TABLE term_synonym (
name varchar(255) NOT NULL default '',
KEY tid (tid),
KEY name (name(3))
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'users'
......@@ -742,7 +786,8 @@ CREATE TABLE users (
PRIMARY KEY (uid),
UNIQUE KEY name (name),
KEY access (access)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'users_roles'
......@@ -752,7 +797,8 @@ CREATE TABLE users_roles (
uid int(10) unsigned NOT NULL default '0',
rid int(10) unsigned NOT NULL default '0',
PRIMARY KEY (uid, rid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'variable'
......@@ -762,7 +808,8 @@ CREATE TABLE variable (
name varchar(48) NOT NULL default '',
value longtext NOT NULL,
PRIMARY KEY (name)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'vocabulary'
......@@ -781,7 +828,8 @@ CREATE TABLE vocabulary (
module varchar(255) NOT NULL default '',
weight tinyint(4) NOT NULL default '0',
PRIMARY KEY (vid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'vocabulary_node_types'
......@@ -791,7 +839,8 @@ CREATE TABLE vocabulary_node_types (
vid int(10) unsigned NOT NULL DEFAULT '0',
type varchar(32) NOT NULL DEFAULT '',
PRIMARY KEY (vid, type)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Table structure for table 'watchdog'
......@@ -809,7 +858,8 @@ CREATE TABLE watchdog (
hostname varchar(128) NOT NULL default '',
timestamp int(11) NOT NULL default '0',
PRIMARY KEY (wid)
) TYPE=MyISAM;
) TYPE=MyISAM
/*!40100 DEFAULT CHARACTER SET utf8 */ ;
--
-- Insert some default values
......@@ -865,3 +915,4 @@ INSERT INTO variable (name, value) VALUES ('node_options_forum', 'a:1:{i:0;s:6:"
INSERT INTO menu VALUES (2, 0, '', 'Primary links', '', 0, 115);
INSERT INTO variable VALUES ('menu_primary_menu', 'i:2;');
INSERT INTO variable VALUES ('menu_secondary_menu', 'i:2;');
database/database.pgsql
View file @ 7914ad0f
......@@ -646,7 +646,7 @@ CREATE TABLE system (
status integer NOT NULL default '0',
throttle smallint NOT NULL default '0',
bootstrap integer NOT NULL default '0',
schema_version smallint NOT NULL default 0,
schema_version smallint NOT NULL default -1,
weight smallint NOT NULL default 0,
PRIMARY KEY (filename)
);
......
database/updates.inc
View file @ 7914ad0f
......@@ -1437,3 +1437,145 @@ function system_update_168() {
return $ret;
}
function system_update_169() {
// Warn PGSQL admins if their database is set up incorrectly
if ($GLOBALS['db_type'] == 'pgsql') {
$encoding = db_result(db_query('SHOW server_encoding'));
if (!in_array(strtolower($encoding), array('unicode', 'utf8'))) {
$msg = 'Your PostgreSQL database is set up with the wrong character encoding ('. $encoding .'). It is possible it will not work as expected. It is advised to recreate it with UTF-8/Unicode encoding. More information can be found in the <a href="http://www.postgresql.org/docs/7.4/interactive/multibyte.html">PostgreSQL documentation</a>.';
watchdog('php', $msg, WATCHDOG_WARNING);
drupal_set_message($msg, 'status');
}
}
return _system_update_utf8(array(
'access', 'accesslog', 'aggregator_category',
'aggregator_category_feed', 'aggregator_category_item',
'aggregator_feed', 'aggregator_item', 'authmap', 'blocks',
'book', 'boxes', 'cache', 'comments', 'contact',
'node_comment_statistics', 'client', 'client_system', 'files',
'filter_formats', 'filters', 'flood', 'forum', 'history',
'locales_meta', 'locales_source', 'locales_target', 'menu',
'moderation_filters', 'moderation_roles', 'moderation_votes',
'node', 'node_access', 'node_revisions', 'profile_fields',
'profile_values', 'url_alias', 'permission', 'poll', 'poll_votes',
'poll_choices', 'role', 'search_dataset', 'search_index',
'search_total', 'sessions', 'sequences', 'node_counter',
'system', 'term_data', 'term_hierarchy', 'term_node',
'term_relation', 'term_synonym', 'users', 'users_roles', 'variable',
'vocabulary', 'vocabulary_node_types', 'watchdog'
));
}
/**
* Converts tables to UTF-8 encoding.
*
* This update is designed to be re-usable by contrib modules and is
* used by system_update_169().
*/
function _system_update_utf8($tables) {
// Are we starting this update for the first time?
if (!isset($_SESSION['update_utf8'])) {
switch ($GLOBALS['db_type']) {
// Only for MySQL 4.1+
case 'mysqli':
break;
case 'mysql':
if (version_compare(mysql_get_server_info($GLOBALS['active_db']), '4.1.0', '<')) {
return array();
}
break;
case 'pgsql':
return array();
}
// See if database uses UTF-8 already
$url = parse_url($GLOBALS['db_url']);
$db_name = substr($url['path'], 1);
$create = array_pop(db_fetch_array(db_query('SHOW CREATE DATABASE `%s`', $db_name)));
if (preg_match('/utf8/i', $create)) {
return array();
}
// Make list of tables to convert
$_SESSION['update_utf8'] = $tables;
// Keep track of total for progress bar
$_SESSION['update_utf8_total'] = count($tables);
}
// Fetch remaining tables list
$list = &$_SESSION['update_utf8'];
$ret = array();
// Convert a table to UTF-8.
// We change all text columns to their correspending binary type,
// then back to text, but with a UTF-8 character set.
// See: http://dev.mysql.com/doc/refman/4.1/en/charset-conversion.html
$types = array('char' => 'binary',
'varchar' => 'varbinary',
'tinytext' => 'tinyblob',
'text' => 'blob',
'mediumtext' => 'mediumblob',
'longtext' => 'longblob');
// Get next table in list
$table = array_shift($list);
$convert_to_binary = array();
$convert_to_utf8 = array();
// Set table default charset
$ret[] = update_sql("ALTER TABLE \{$table} DEFAULT CHARACTER SET utf8");
// Find out which columns need converting and build SQL statements
$result = db_query("SHOW FULL COLUMNS FROM \{$table}");
while ($column = db_fetch_array($result)) {
list($type) = explode('(', $column['Type']);
if (isset($types[$type])) {
$names = 'CHANGE `'. $column['Field'] .'` `'. $column['Field'] .'` ';
$attributes = ' DEFAULT '. ($column['Default'] == 'NULL' ? 'NULL ' :
"'". db_esc