code: private static void setBlob(PreparedStatement ps, int i, Object o, Class<?> cls)
              throws SQLException {
          final InputStream is;
          if (o instanceof byte[]) {
              is = new ByteArrayInputStream((byte[]) o);
          }
docs: Sets a blob parameter for the prepared statement.
  
  @param ps
  @param i
  @param o
  @param cls
  @throws SQLException