#201717 by catch: remove the utf8 update helper which is the remaining of the...

#201717 by catch: remove the utf8 update helper which is the remaining of the removed 4.6 to 4.7 updates

includes/install.inc

@@ -656,60 +656,6 @@ function st($string, $args = array()) {
   return strtr((!empty($locale_strings[$string]) ? $locale_strings[$string] : $string), $args);
 }
 
-/**
- * Converts a set of 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
-    global $db_url;
-    $url = parse_url(is_array($db_url) ? $db_url['default'] : $db_url);
-    $db_name = substr($url['path'], 1);
-    $result = db_fetch_array(db_query('SHOW CREATE DATABASE `%s`', $db_name));
-    if (preg_match('/utf8/i', array_pop($result))) {
-      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 and convert next table
-  $list = &$_SESSION['update_utf8'];
-
-  $ret = update_convert_table_utf8(array_shift($list));
-
-  // Are we done?
-  if (count($list) == 0) {
-    unset($_SESSION['update_utf8']);
-    unset($_SESSION['update_utf8_total']);
-    return $ret;
-  }
-
-  // Progress percentage
-  $ret['#finished'] = 1 - (count($list) / $_SESSION['update_utf8_total']);
-  return $ret;
-}
-
 /**
  * Check a profile's requirements.
  *