def delete_table(self, table):
        """
        @brief      Delete a table in database
        @param      table  String
        """
        if table in self.table_cols:
            sql = "DROP TABLE IF EXISTS %s" % table
            Log.debug('DB -> %s' % sql)
            self.execute(sql)
            self.table_cols.pop(table)

        @brief      Delete a table in database
        @param      table  String
        
wxbot_project_py2.7/db/mysql_db.py