Alexa内置插槽AMAZON.DATE
问题描述:
使用内置插槽AMAZON.DATE时,根据developer reference将“下周”解释为2016-W38。Alexa内置插槽AMAZON.DATE
话语映射到只是一个特定的星期(如“本周”或 “下周”),转换日期指示周数:2015年-W49。
我想解析这在SQL中。在使用Alexa服务时,是W1或W01年的第一周?谢谢。
答
更新:日期采用ISO-8601日期格式。第一周是W01,没有W00。
参考:https://en.wikipedia.org/wiki/ISO_8601#Dates
原来的答复:
我找不到文档,但在这里就是答案......
- 今天是星期三28日,272日。
- Alexa说这是2016-W39。 (我刚刚检查过)。
- 2016年在星期五开始,所以W39在上周五的267天开始,这是1月1日之后的38周。 (7分之267= 38.14)。
- 算回38周到年初。
因此,一年的第一周称为W1。
答
这就是我最终使用SQL Server存储过程解析AMAZON.DATE内置插槽的方式。
CREATE PROCEDURE [dbo].[procMomaAlexaExhibitions]
@p_alexa_date VARCHAR(50) = ''
AS
BEGIN
SET NOCOUNT ON;
DECLARE @p_start_date VARCHAR(10) = ''
DECLARE @p_end_date VARCHAR(10) = ''
--SET @p_alexa_date = '2015-W20-WE'
-- Today if null
IF(@p_alexa_date = '' OR @p_alexa_date IS NULL)
BEGIN
SET @p_start_date = (SELECT CONVERT(VARCHAR(10), GETDATE(), 121))
SET @p_end_date = (SELECT CONVERT(VARCHAR(10), GETDATE(), 121))
END
-- Alexa provided a normal date
IF(ISDATE(@p_alexa_date) = 1)
BEGIN
SET @p_start_date = CONVERT(VARCHAR(10), @p_alexa_date, 121)
SET @p_end_date = CONVERT(VARCHAR(10), @p_alexa_date, 121)
END
-- Alexa provided a year-month
IF(LEN(@p_alexa_date) <= 8 AND ISNUMERIC(REPLACE(@p_alexa_date,'-','')) = 1)
BEGIN
SET @p_start_date = @p_alexa_date + '-01'
SET @p_end_date = @p_alexa_date + '-31'
END
-- weekend
IF(RIGHT(@p_alexa_date, 3) = '-WE')
BEGIN
DECLARE @p_week VARCHAR(2)
DECLARE @p_year VARCHAR(4)
DECLARE @p_start_date_wk VARCHAR(10) = ''
DECLARE @p_end_date_wk VARCHAR(10) = ''
SET @p_week = REPLACE(SUBSTRING(@p_alexa_date,7, LEN(@p_alexa_date)),'-WE','')
SET @p_year = LEFT(@p_alexa_date, 4)
SET @p_start_date_wk = CONVERT(VARCHAR(10), DATEADD(wk, DATEDIFF(wk, 6, '1/1/' + @p_year) + (@p_week-1), 6), 121)
SET @p_end_date_wk = CONVERT(VARCHAR(10), DATEADD(wk, DATEDIFF(wk, 5, '1/1/' + @p_year) + (@p_week-1), 5), 121)
SET @p_start_date = CASE WHEN datename(weekday, CAST(@p_start_date_wk AS smalldatetime)) = 'Saturday' THEN CONVERT(VARCHAR(10), CAST(@p_start_date_wk AS smalldatetime), 121)
WHEN datename(weekday, CAST(@p_start_date_wk AS smalldatetime) + 1) = 'Saturday' THEN CONVERT(VARCHAR(10), CAST(@p_start_date_wk AS smalldatetime) + 1, 121)
WHEN datename(weekday, CAST(@p_start_date_wk AS smalldatetime) + 2) = 'Saturday' THEN CONVERT(VARCHAR(10), CAST(@p_start_date_wk AS smalldatetime) + 2, 121)
WHEN datename(weekday, CAST(@p_start_date_wk AS smalldatetime) + 3) = 'Saturday' THEN CONVERT(VARCHAR(10), CAST(@p_start_date_wk AS smalldatetime) + 3, 121)
WHEN datename(weekday, CAST(@p_start_date_wk AS smalldatetime) + 4) = 'Saturday' THEN CONVERT(VARCHAR(10), CAST(@p_start_date_wk AS smalldatetime) + 4, 121)
WHEN datename(weekday, CAST(@p_start_date_wk AS smalldatetime) + 5) = 'Saturday' THEN CONVERT(VARCHAR(10), CAST(@p_start_date_wk AS smalldatetime) + 5, 121)
WHEN datename(weekday, CAST(@p_start_date_wk AS smalldatetime) + 6) = 'Saturday' THEN CONVERT(VARCHAR(10), CAST(@p_start_date_wk AS smalldatetime) + 6, 121)
END
SET @p_end_date = CASE WHEN datename(weekday, CAST(@p_end_date_wk AS smalldatetime)) = 'Sunday' THEN CONVERT(VARCHAR(10), CAST(@p_end_date_wk AS smalldatetime), 121)
WHEN datename(weekday, CAST(@p_end_date_wk AS smalldatetime) + 1) = 'Sunday' THEN CONVERT(VARCHAR(10), CAST(@p_end_date_wk AS smalldatetime) + 1, 121)
WHEN datename(weekday, CAST(@p_end_date_wk AS smalldatetime) + 2) = 'Sunday' THEN CONVERT(VARCHAR(10), CAST(@p_end_date_wk AS smalldatetime) + 2, 121)
WHEN datename(weekday, CAST(@p_end_date_wk AS smalldatetime) + 3) = 'Sunday' THEN CONVERT(VARCHAR(10), CAST(@p_end_date_wk AS smalldatetime) + 3, 121)
WHEN datename(weekday, CAST(@p_end_date_wk AS smalldatetime) + 4) = 'Sunday' THEN CONVERT(VARCHAR(10), CAST(@p_end_date_wk AS smalldatetime) + 4, 121)
WHEN datename(weekday, CAST(@p_end_date_wk AS smalldatetime) + 5) = 'Sunday' THEN CONVERT(VARCHAR(10), CAST(@p_end_date_wk AS smalldatetime) + 5, 121)
WHEN datename(weekday, CAST(@p_end_date_wk AS smalldatetime) + 6) = 'Sunday' THEN CONVERT(VARCHAR(10), CAST(@p_end_date_wk AS smalldatetime) + 6, 121)
END
END
-- not a weekend
IF((@p_alexa_date LIKE '%-W%') AND (RIGHT(@p_alexa_date, 3) <> '-WE'))
BEGIN
SET @p_week = SUBSTRING(@p_alexa_date,7, LEN(@p_alexa_date))
SET @p_year = LEFT(@p_alexa_date, 4)
SET @p_start_date = CONVERT(VARCHAR(10), DATEADD(wk, DATEDIFF(wk, 6, '1/1/' + @p_year) + (@p_week-1), 6), 121)
SET @p_end_date = CONVERT(VARCHAR(10), DATEADD(wk, DATEDIFF(wk, 5, '1/1/' + @p_year) + (@p_week-1), 5), 121)
END
从那里你可以在SQL中做这样的事情。 FYI
WHERE (ExhVenuesXrefs.BeginISODate <= @p_start_date)
AND (ExhVenuesXrefs.EndISODate >= @p_end_date)
感谢您挖掘到这一点。 – smoore4
如果我能找到任何文件,我会添加一个链接到文档。 – python1981