@Override
  public void setTimestamp(int parameterIndex, Timestamp x, Calendar cal)
      throws SQLException {
    throw new SQLFeatureNotSupportedException("Method not supported");
  }
Splits the parametered sql statement at parameter boundaries.

taking into account ' and \ escaping.

output for: 'select 1 from ? where a = ?'
 ['select 1 from ',' where a = ','']

@param sql
@return
jdbc/src/java/org/apache/hive/jdbc/HivePreparedStatement.java