updates.inc

      variable_set($menus[$loop]['menu_var'], $menus[$loop]['pid']);
    }
    variable_del($menus[$loop]['toggle_var']);
    unset($ts[$menus[$loop]['toggle_var']]);
    variable_del($menus[$loop]['links_var']);
    unset($ts[$menus[$loop]['links_var']]);
    variable_del($menus[$loop]['more_var']);
    unset($ts[$menus[$loop]['more_var']]);
  }

  if (is_array($ts)) {
    variable_set('theme_settings', $ts);
  }

  $ret[] = update_sql("UPDATE {system} SET status = 1 WHERE name = 'menu'");

  return $ret;
}

function system_update_152() {
  $ret = array();

  // Postgresql only update
  switch ($GLOBALS['db_type']) {
    case 'pgsql':
      $ret[] = update_sql("ALTER TABLE {forum} RENAME shadow TO shadow_old");
      break;
    case 'mysql':
    case 'mysqli':
      break;
  }

  return $ret;
}

function system_update_153(){
  $ret = array();
  switch ($GLOBALS['db_type']) {
    case 'pgsql':
      $ret[] = update_sql("ALTER TABLE {contact} DROP CONSTRAINT {contact}_pkey");
      $ret[] = update_sql("CREATE SEQUENCE {contact}_cid_seq");
      db_add_column($ret, 'contact', 'cid', 'int', array('not null' => TRUE, 'default' => "nextval('{contact}_cid_seq')"));
      $ret[] = update_sql("ALTER TABLE {contact} ADD PRIMARY KEY (cid)");
      $ret[] = update_sql("ALTER TABLE {contact} ADD CONSTRAINT {contact}_category_key UNIQUE (category)");
      break;
    case 'mysql':
    case 'mysqli':
      $ret[] = update_sql("ALTER TABLE {contact} DROP PRIMARY KEY");
      $ret[] = update_sql("ALTER TABLE {contact} ADD COLUMN cid int(11) NOT NULL PRIMARY KEY auto_increment");
      $ret[] = update_sql("ALTER TABLE {contact} ADD UNIQUE KEY category (category)");
      break;
  }
  return $ret;
}

function system_update_154() {
  $ret = array();
  switch ($GLOBALS['db_type']) {
    case 'pgsql':
      db_add_column($ret, 'contact', 'weight', 'smallint', array('not null' => TRUE, 'default' => 0));
      db_add_column($ret, 'contact', 'selected', 'smallint', array('not null' => TRUE, 'default' => 0));
      break;
    case 'mysql':
    case 'mysqli':
      $ret[] = update_sql("ALTER TABLE {contact} ADD COLUMN weight tinyint(3) NOT NULL DEFAULT 0");
      $ret[] = update_sql("ALTER TABLE {contact} ADD COLUMN selected tinyint(1) NOT NULL DEFAULT 0");
      break;
  }
  return $ret;
}

function system_update_155() {
  $ret = array();

  // Postgresql only update
  switch ($GLOBALS['db_type']) {
    case 'pgsql':
      $ret[] = update_sql("DROP TABLE {cache}");
      $ret[] = update_sql("CREATE TABLE {cache} (
        cid varchar(255) NOT NULL default '',
        data bytea default '',
        expire integer NOT NULL default '0',
        created integer NOT NULL default '0',
        headers text default '',
        PRIMARY KEY (cid)
        )");
      $ret[] = update_sql("CREATE INDEX {cache}_expire_idx ON {cache}(expire)");
      break;
    case 'mysql':
    case 'mysqli':
      break;
  }

  return $ret;
}

function system_update_156() {
  $ret = array();
  $ret[] = update_sql("DELETE FROM {cache}");
  system_themes();
  return array();
}

function system_update_157() {
  $ret = array();
  $ret[] = update_sql("DELETE FROM {url_alias} WHERE src = 'node/feed' AND dst = 'rss.xml'");
  $ret[] = update_sql("INSERT INTO {url_alias} (src, dst) VALUES ('rss.xml', 'node/feed')");
}