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WEEKNUM

概述

根据 return_type 值返回给定日期的周数。 周数指示此周在一年中的数值。

语法

分析表达式

WEEKNUM(<datetime>,<return_type>)

参数

参数

定义

datetime

采用日期/时间格式的一个时间。

return_type

一个整数(0 或 1)。 确定一周从哪一天开始的数字。0(星期日):西方传统。1(星期一):ISO-8601

返回值

返回一个整数。

示例

该示例返回了当前日期的周数,按周从星期一开始计算。

分析表达式

WEEKNUM(now(),1)