db.py 文件源码

def query(self, paramstyle=None):
        """
        Returns the query part of the sql query.
            >>> q = SQLQuery(["SELECT * FROM test WHERE name=", SQLParam('joe')])
            >>> q.query()
            'SELECT * FROM test WHERE name=%s'
            >>> q.query(paramstyle='qmark')
            'SELECT * FROM test WHERE name=?'
        """
        s = ''
        for x in self.items:
            if isinstance(x, SQLParam):
                x = x.get_marker(paramstyle)
            s += x
        return s