ssas 时间维度表 sql 代码
Posted 木子易
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该代码转自 天善智能社区 文章 文章地址：https://ask.hellobi.com/blog/biwork/572
---------------------------------------------------------------------
-- BIWORK DimDate and vDimDate Demo
----------------------------------------------------------------------
USE BIWORK_SSIS
GO
SET NOCOUNT ON
IF OBJECT_ID(‘DimDate‘,‘U‘) IS NOT NULL
DROP TABLE DimDate
GO
CREATE TABLE DimDate
(
DateKey INT PRIMARY KEY,
FullDate DATE NOT NULL,
[DateName] NVARCHAR(20),
DayNumberOfWeek TINYINT NOT NULL,
DayNameOfWeek NVARCHAR(10) NOT NULL,
DayNumberOfMonth TINYINT NOT NULL,
DayNumberOfYear SMALLINT NOT NULL,
IsWeekend BIT NOT NULL,
IsLeapYear BIT NOT NULL,
WeekNumberOfYear TINYINT NOT NULL,
EnglishMonthName NVARCHAR(10) NOT NULL,
MonthNumberOfYear TINYINT NOT NULL,
CalendarQuarter TINYINT NOT NULL,
CalendarSemester TINYINT NOT NULL,
CalendarYear SMALLINT NOT NULL,
FiscalQuarter TINYINT NOT NULL,
FiscalSemester TINYINT NOT NULL,
FiscalYear SMALLINT NOT NULL
)
DECLARE @StartDate DATETIME
DECLARE @EndDate DATETIME
SELECT @StartDate = ‘2005-01-01‘,
@EndDate = ‘2013-12-31‘
WHILE (@StartDate <= @EndDate)
BEGIN
INSERT INTO DimDate
(
DateKey,
FullDate,
[DateName],
DayNumberOfWeek,
DayNameOfWeek,
DayNumberOfMonth,
DayNumberOfYear,
IsWeekend,
IsLeapYear,
WeekNumberOfYear,
EnglishMonthName,
MonthNumberOfYear,
CalendarQuarter,
CalendarSemester,
CalendarYear,
FiscalQuarter,
FiscalSemester,
FiscalYear
)
SELECT CAST(CONVERT(VARCHAR(8),@StartDate,112) AS INT) AS DateKey,
CONVERT(VARCHAR(10), @StartDate,20) AS FullDate,
CONVERT(VARCHAR(20), @StartDate,106) AS [DateName],
DATEPART(DW,@StartDate) AS DayNumberOfWeek,
DATENAME(DW,@StartDate) AS DayNameOfWeek,
DATENAME(DD,@StartDate) AS [DayOfMonth],
DATENAME(DY,@StartDate) AS [DayOfYear],
CASE WHEN DATEPART(DW,@StartDate) IN (1,7)
THEN 1
ELSE 0
END AS IsWeekend,
CASE WHEN ((YEAR(@StartDate) % 4 = 0) AND (YEAR(@StartDate) % 100 != 0 OR YEAR(@StartDate) % 400 = 0))
THEN 1
ELSE 0
END AS IsLeapYear,
DATEPART(WW,@StartDate) AS WeekNumberOfYear,
DATENAME(MM,@StartDate) AS EnglishMonthName,
DATEPART(MM,@StartDate) AS MonthNumberOfYear,
DATEPART(QQ,@StartDate) AS CalendarQuarter,
CASE WHEN DATEPART(MM,@StartDate) BETWEEN 1 AND 6
THEN 1
ELSE 2
END AS CalendarSemester,
DATEPART(YY,@StartDate) AS CalendarYear,
CASE WHEN DATEPART(MM,@StartDate) BETWEEN 1 AND 6
THEN DATEPART(QQ,@StartDate) + 2
ELSE DATEPART(QQ,@StartDate) - 2
END AS FiscalQuarter,
CASE WHEN DATEPART(MM,@StartDate) BETWEEN 1 AND 6
THEN 2
ELSE 1
END AS FiscalSemester,
CASE WHEN DATEPART(MM,@StartDate) BETWEEN 1 AND 6
THEN DATEPART(YY,@StartDate)
ELSE DATEPART(YY,@StartDate) + 1
END AS FiscalYear
SET @StartDate = @StartDate + 1
END
GO
---------------------------------------------------------------------
-- 加上视图的作用是因为在实际的项目开发中，SSAS 的数据源视图所有的表对象
-- 应该都引用视图，这样当数据仓库中维度表或者事实表有小的改动就可以直接在
-- 视图中修改，而可以避免修改 SSAS 项目。
-- 这一点在 SSIS 开发中同样适用，所有在 SSIS 中配置的 SQL 语句都封装在存储
-- 过程中，表封装在视图中。逻辑的修改直接体现在存储过程中，而不会修改 SSIS。
----------------------------------------------------------------------
IF OBJECT_ID(‘vDimDate‘,‘V‘) IS NOT NULL
DROP VIEW vDimDate
GO
CREATE VIEW vDimDate
AS
-- 可以根据需要实现一些计算列，这些计算列通常也可以在 SSAS 视图中添加。
SELECT DateKey AS ‘DateKey‘,
FullDate AS ‘FullDate‘,
[DateName] AS ‘DateName‘,
CONVERT(VARCHAR(2),DayNumberOfMonth) + ‘ ‘ + EnglishMonthName + ‘ ‘ + CONVERT(CHAR(4), CalendarYear) AS ‘FullDateName‘, -- 1 July 2005
DayNumberOfWeek AS ‘DayNumberOfWeek‘,
DayNameOfWeek AS ‘DayNameOfWeek‘,
DayNumberOfMonth AS ‘DayNumberOfMonth‘,
DayNumberOfYear AS ‘DayNumberOfYear‘,
CASE WHEN IsWeekend = 1 THEN ‘Weekend‘
ELSE ‘Weekday‘
END AS ‘WeekdayWeekend‘,
IsLeapYear AS ‘IsLeapYear‘,
WeekNumberOfYear AS ‘WeekNumberOfYear‘,
EnglishMonthName AS ‘EnglishMonthName‘,
EnglishMonthName + ‘ ‘ + CONVERT(CHAR(4),CalendarYear) AS ‘MonthName‘, -- July 2005
CalendarYear * 100 + MonthNumberOfYear AS ‘MonthKey‘, -- 200507
MonthNumberOfYear AS ‘MonthNumberOfYear‘,
CalendarQuarter AS ‘CalendarQuarter‘,
CalendarSemester AS ‘CalendarSemester‘,
CalendarYear AS ‘CalendarYear‘,
CalendarYear * 100 + CalendarQuarter AS ‘CalendarQuarterKey‘, -- 200503
‘CY ‘ + CONVERT(CHAR(4),CalendarYear) AS ‘CalendarYearName‘, -- CY 2005
‘CY ‘ + CONVERT(CHAR(4),CalendarYear)
+ ‘ Qtr ‘
+ CONVERT(CHAR(1), CalendarQuarter) AS ‘CalendarQuarterName‘, -- CY 2005 Qtr 3
FiscalQuarter AS ‘FiscalQuarter‘,
FiscalSemester AS ‘FiscalSemester‘,
FiscalYear AS ‘FiscalYear‘,
FiscalYear * 100 + FiscalQuarter AS ‘FiscalQuarterKey‘, -- 200601
‘FY ‘ + CONVERT(CHAR(4), FiscalYear) AS ‘FiscalYearName‘, -- FY 2006
‘FY ‘ + CONVERT(Char(4), FiscalYear) + ‘ Qtr ‘ + Convert(Char(1), FiscalQuarter) AS ‘FiscalQuarterName‘ -- FY 2006 Qtr 1
FROM DimDate
GO
DIM_TIME
IF OBJECT_ID(‘DIM_TIME‘) IS NOT NULL
DROP TABLE DIM_TIME
GO
CREATE TABLE DIM_TIME(
TIME_KEY INT PRIMARY KEY IDENTITY(0,1),
TIME_NAME CHAR(8),
HOUR_NAME CHAR(2),
MILITARY_HOUR CHAR(2),
MINUTE_NAME CHAR(2),
SECOND_NAME CHAR(2),
AM_PM CHAR(2),
STANDARD_TIME CHAR(11)
)
DECLARE @TIME DATETIME
SET @TIME = CONVERT(VARCHAR,‘12:00:00 AM‘,108)
TRUNCATE TABLE DIM_TIME
WHILE @TIME <= ‘11:59:59 PM‘
BEGIN
INSERT INTO DBO.DIM_TIME(TIME_NAME, HOUR_NAME, MILITARY_HOUR, MINUTE_NAME, SECOND_NAME, AM_PM)
SELECT CONVERT(VARCHAR,@TIME,108) TIME_NAME
, CASE
WHEN DATEPART(HOUR,@TIME) > 12 THEN DATEPART(HOUR,@TIME) - 12
ELSE DATEPART(HOUR,@TIME)
END AS HOUR_NAME
, CAST(SUBSTRING(CONVERT(VARCHAR,@TIME,108),1,2) AS INT) MILITARY_HOUR
, DATEPART(MINUTE,@TIME) MINUTE_NAME
, DATEPART(SECOND,@TIME) SECOND_NAME
, CASE
WHEN DATEPART(HOUR,@TIME) >= 12 THEN ‘PM‘
ELSE ‘AM‘
END AS AM_PM
SELECT @TIME = DATEADD(SECOND,1,@TIME)
END
UPDATE DIM_TIME
SET HOUR_NAME = ‘0‘ + HOUR_NAME
WHERE LEN(HOUR_NAME) = 1
UPDATE DIM_TIME
SET MINUTE_NAME = ‘0‘ + MINUTE_NAME
WHERE LEN(MINUTE_NAME) = 1
UPDATE DIM_TIME
SET SECOND_NAME = ‘0‘ + SECOND_NAME
WHERE LEN(SECOND_NAME) = 1
UPDATE DIM_TIME
SET MILITARY_HOUR = ‘0‘ + MILITARY_HOUR
WHERE LEN(MILITARY_HOUR) = 1
UPDATE DIM_TIME
SET STANDARD_TIME = HOUR_NAME + ‘:‘ + MINUTE_NAME + ‘:‘ + SECOND_NAME + ‘ ‘ + AM_PM
WHERE STANDARD_TIME IS NULL
AND HOUR_NAME <> ‘00‘
UPDATE DIM_TIME