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Python sqlalchemy.funcfilter方法代码示例

本文整理汇总了Python中sqlalchemy.funcfilter方法的典型用法代码示例。如果您正苦于以下问题:Python sqlalchemy.funcfilter方法的具体用法?Python sqlalchemy.funcfilter怎么用?Python sqlalchemy.funcfilter使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在sqlalchemy的用法示例。


在下文中一共展示了sqlalchemy.funcfilter方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: over

# 需要导入模块: import sqlalchemy [as 别名]
# 或者: from sqlalchemy import funcfilter [as 别名]
def over(self, partition_by=None, order_by=None):
        """Produce an OVER clause against this filtered function.

        Used against aggregate or so-called "window" functions,
        for database backends that support window functions.

        The expression::

            func.rank().filter(MyClass.y > 5).over(order_by='x')

        is shorthand for::

            from sqlalchemy import over, funcfilter
            over(funcfilter(func.rank(), MyClass.y > 5), order_by='x')

        See :func:`~.expression.over` for a full description.

        """
        return Over(self, partition_by=partition_by, order_by=order_by) 
开发者ID:jpush,项目名称:jbox,代码行数:21,代码来源:elements.py

示例2: over

# 需要导入模块: import sqlalchemy [as 别名]
# 或者: from sqlalchemy import funcfilter [as 别名]
def over(self, partition_by=None, order_by=None, range_=None, rows=None):
        """Produce an OVER clause against this filtered function.

        Used against aggregate or so-called "window" functions,
        for database backends that support window functions.

        The expression::

            func.rank().filter(MyClass.y > 5).over(order_by='x')

        is shorthand for::

            from sqlalchemy import over, funcfilter
            over(funcfilter(func.rank(), MyClass.y > 5), order_by='x')

        See :func:`_expression.over` for a full description.

        """
        return Over(
            self,
            partition_by=partition_by,
            order_by=order_by,
            range_=range_,
            rows=rows,
        ) 
开发者ID:sqlalchemy,项目名称:sqlalchemy,代码行数:27,代码来源:elements.py

示例3: over

# 需要导入模块: import sqlalchemy [as 别名]
# 或者: from sqlalchemy import funcfilter [as 别名]
def over(self, partition_by=None, order_by=None, range_=None, rows=None):
        """Produce an OVER clause against this filtered function.

        Used against aggregate or so-called "window" functions,
        for database backends that support window functions.

        The expression::

            func.rank().filter(MyClass.y > 5).over(order_by='x')

        is shorthand for::

            from sqlalchemy import over, funcfilter
            over(funcfilter(func.rank(), MyClass.y > 5), order_by='x')

        See :func:`~.expression.over` for a full description.

        """
        return Over(
            self, partition_by=partition_by, order_by=order_by,
            range_=range_, rows=rows) 
开发者ID:bkerler,项目名称:android_universal,代码行数:23,代码来源:elements.py

示例4: __init__

# 需要导入模块: import sqlalchemy [as 别名]
# 或者: from sqlalchemy import funcfilter [as 别名]
def __init__(self, func, *criterion):
        """Produce a :class:`.FunctionFilter` object against a function.

        Used against aggregate and window functions,
        for database backends that support the "FILTER" clause.

        E.g.::

            from sqlalchemy import funcfilter
            funcfilter(func.count(1), MyClass.name == 'some name')

        Would produce "COUNT(1) FILTER (WHERE myclass.name = 'some name')".

        This function is also available from the :data:`~.expression.func`
        construct itself via the :meth:`.FunctionElement.filter` method.

        .. versionadded:: 1.0.0

        .. seealso::

            :meth:`.FunctionElement.filter`


        """
        self.func = func
        self.filter(*criterion) 
开发者ID:jpush,项目名称:jbox,代码行数:28,代码来源:elements.py


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