code: @SuppressWarnings("unchecked")
      public STMT column(final String _columnName,
                         final BigDecimal _value)
      {
          this.columnWithValues.add(new AbstractSQLInsertUpdate.AbstractColumnWithValue<BigDecimal>(_columnName, _value) {
              @Override
              public void set(final int _index, final PreparedStatement _stmt)
                  throws SQLException
              {
                  if (getValue() == null)  {
                      _stmt.setNull(_index, Types.DECIMAL);
                  } else  {
                      _stmt.setBigDecimal(_index, getValue());
                  }
              }
          });
          return (STMT) this;
      }
docs: Defines a new column <code>_columnName</code> with {@link BigDecimal}
  <code>_value</code> within this SQL insert / update statement.
  
  @param _columnName   name of the column
  @param _value        value of the column
  @return this SQL statement