code: public Object column(int col) throws jsqlite.Exception {
  	switch (column_type(col)) {
  	case Constants.SQLITE_INTEGER:
  	    return new Long(column_long(col));
  	case Constants.SQLITE_FLOAT:
  	    return new Double(column_double(col));
  	case Constants.SQLITE_BLOB:
  	    return column_bytes(col);
  	case Constants.SQLITE3_TEXT:
  	    return column_string(col);
  	}
  	return null;
      }
docs: Retrieve column data as object from exec'ed SQLite3 statement.
  @param col column number, 0-based
  @return Object or null