ummm all ops = async

gistfile1.txt

  // make operations on the table asynchronous, for performance
  mDBConn->ExecuteSimpleSQL(NS_LITERAL_CSTRING("PRAGMA synchronous = OFF"));

  // cache frequently used statements (for insertion, deletion, and updating)
  rv = mDBConn->CreateAsyncStatement(NS_LITERAL_CSTRING(
    "INSERT INTO moz_hosts "
    "(id, host, type, permission, expireType, expireTime, appId, isInBrowserElement) "
    "VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8)"), getter_AddRefs(mStmtInsert));
  NS_ENSURE_SUCCESS(rv, rv);