//
  // Examine BLOBs and CLOBs.
  //
  private void vetLargeObjects(
      Connection conn, HashSet<String> unsupportedList, HashSet<String> notUnderstoodList)
      throws Exception {
    Statement stmt = conn.createStatement();

    stmt.execute("CREATE TABLE t (id INT PRIMARY KEY, " + "b BLOB(10), c CLOB(10))");
    stmt.execute(
        "INSERT INTO t (id, b, c) VALUES (1, "
            + "CAST ("
            + TestUtil.stringToHexLiteral("101010001101")
            + "AS BLOB(10)), CAST ('hello' AS CLOB(10)))");

    ResultSet rs = stmt.executeQuery("SELECT id, b, c FROM t");

    rs.next();

    Blob blob = rs.getBlob(2);
    Clob clob = rs.getClob(3);

    vetObject(blob, unsupportedList, notUnderstoodList);
    vetObject(clob, unsupportedList, notUnderstoodList);

    stmt.close();
    conn.rollback();
  }
  /**
   * Try to update the row with the given error. Flag a failure if a timeout occurs when not
   * expected, and vice versa.
   *
   * @param id The id of the row to be updated
   * @param timeoutExpected true if it is expected that the update times out
   * @throws java.sql.SQLException
   */
  private void executeParallelUpdate(int id, boolean timeoutExpected) throws SQLException {
    Connection conn2 = openDefaultConnection();
    Statement stmt2 = conn2.createStatement();

    try {
      stmt2.executeUpdate(
          "update BLOBCLOB set BLOBDATA = " + "cast(X'FFFFFF' as blob) where ID=" + id);
      stmt2.close();
      conn2.commit();
      conn2.close();
      if (timeoutExpected) {
        fail("FAIL - should have gotten lock timeout");
      }
    } catch (SQLException se) {
      stmt2.close();
      conn2.rollback();
      conn2.close();
      if (timeoutExpected) {
        assertSQLState(LOCK_TIMEOUT, se);
      } else {
        throw se;
      }
    }
  }