Set the main dataframe from a table's data

        :param table: table name
        :type table: str

        :example: ``ds.load("mytable")``

def load(self, table: str):
        """Set the main dataframe from a table's data

        :param table: table name
        :type table: str

        :example: ``ds.load("mytable")``
        """
        if self._check_db() is False:
            return
        if table not in self.db.tables:
            self.warning("The table " + table + " does not exists")
            return
        try:
            self.start("Loading data from table " + table)
            res = self.db[table].all()
            self.df = pd.DataFrame(list(res))
            self.end("Data loaded from table " + table)
        except Exception as e:
            self.err(e, "Can not load table " + table)