function privatemsg_update_2 in Privatemsg 5.3

Same name and namespace in other branches

1. 5 privatemsg.install \privatemsg_update_2()

File

./privatemsg.install, line 176

Code

function privatemsg_update_2() {
  $ret = array();
  switch ($GLOBALS['db_type']) {
    case 'mysql':
    case 'mysqli':
      $sql = 'ALTER TABLE {%s} MODIFY %s int unsigned NOT NULL';
      $seq = "INSERT INTO {sequences} (name, id) VALUES ('%s', %d)";
      break;
    case 'pgsql':
      $sql = 'ALTER TABLE {%s} ALTER COLUMN %s SET DEFAULT NULL';
      $seq = 'CREATE SEQUENCE %s_seq INCREMENT 1 START %d';
      break;
    default:
      return $ret;
  }
  foreach (array(
    'privatemsg' => 'id',
    'privatemsg_folder' => 'fid',
  ) as $table => $id) {
    $ret[] = update_sql(sprintf($sql, $table, $id));
    $max = db_result(db_query('SELECT max(' . $id . ') FROM {' . $table . '}'));
    if ($table == 'privatemsg') {
      $max = max($max, db_result(db_query('SELECT max(id) FROM {privatemsg_archive}')));
    }
    $ret[] = update_sql(sprintf($seq, '{' . $table . '}_' . $id, $max));
  }
  $ret[] = update_sql(sprintf($sql, 'privatemsg_archive', 'id'));
  return $ret;
}