Sie benötigen eine Tabelle mit gültigen Geschäftszeiten, wobei Wochenenden und Feiertage ausgeschlossen sind (oder als Wochenende/Feiertage markiert sind, damit Sie sie überspringen können). Jede Zeile steht für einen Tag und die Anzahl der Arbeitsstunden für diesen Tag. Dann fragen Sie die Geschäftszeitentabelle von Ihrem Startdatum bis zum ersten (Mindest-)Datum ab, bei dem die Summe (Stunden*60) größer als Ihr Minutenparameter ist, ausgenommen markierte Wochenend-/Feiertagezeilen. Das gibt Ihnen Ihr Enddatum.
Hier ist die Tagestabelle:
CREATE TABLE [dbo].[tblDay](
[dt] [datetime] NOT NULL,
[dayOfWk] [int] NULL,
[dayOfWkInMo] [int] NULL,
[isWeekend] [bit] NOT NULL,
[holidayID] [int] NULL,
[workingDayCount] [int] NULL,
CONSTRAINT [PK_tblDay] PRIMARY KEY CLUSTERED
(
[dt] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
So fülle ich die Tabelle mit Tagen:
CREATE PROCEDURE [dbo].[usp_tblDay]
AS
BEGIN
SET NOCOUNT ON;
DECLARE
@Dt datetime ,
@wkInMo int,
@firstDwOfMo int,
@holID int,
@workDayCount int,
@weekday int,
@month int,
@day int,
@isWkEnd bit
set @workDayCount = 0
SET @Dt = CONVERT( datetime, '2008-01-01' )
while @dt < '2020-01-01'
begin
delete from tblDay where dt = @dt
set @weekday = datepart( weekday, @Dt )
set @month = datepart(month,@dt)
set @day = datepart(day,@dt)
if @day = 1 -- 1st of mo
begin
set @wkInMo = 1
set @firstDwOfMo = @weekday
end
if ((@weekday = 7) or (@weekday = 1))
set @isWkEnd = 1
else
set @isWkEnd = 0
if @isWkEnd = 0 and (@month = 1 and @day = 1)
set @holID=1 -- new years on workday
else if @weekday= 6 and (@month = 12 and @day = 31)
set @holID=1 -- holiday on sat, change to fri
else if @weekday= 2 and (@month = 1 and @day = 2)
set @holID=1 -- holiday on sun, change to mon
else if @wkInMo = 3 and @weekday= 2 and @month = 1
set @holID = 2 -- mlk
else if @wkInMo = 3 and @weekday= 2 and @month = 2
set @holID = 3 -- President’s
else if @wkInMo = 4 and @weekday= 2 and @month = 5 and datepart(month,@dt+7) = 6
set @holID = 4 -- memorial on 4th mon, no 5th
else if @wkInMo = 5 and @weekday= 2 and @month = 5
set @holID = 4 -- memorial on 5th mon
else if @isWkEnd = 0 and (@month = 7 and @day = 4)
set @holID=5 -- July 4 on workday
else if @weekday= 6 and (@month = 7 and @day = 3)
set @holID=5 -- holiday on sat, change to fri
else if @weekday= 2 and (@month = 7 and @day = 5)
set @holID=5 -- holiday on sun, change to mon
else if @wkInMo = 1 and @weekday= 2 and @month = 9
set @holID = 6 -- Labor
else if @isWkEnd = 0 and (@month = 11 and @day = 11)
set @holID=7 -- Vets day on workday
else if @weekday= 6 and (@month = 11 and @day = 10)
set @holID=7 -- holiday on sat, change to fri
else if @weekday= 2 and (@month = 11 and @day = 12)
set @holID=7 -- holiday on sun, change to mon
else if @wkInMo = 4 and @weekday= 5 and @month = 11
set @holID = 8 -- thx
else if @holID = 8
set @holID = 9 -- dy after thx
else if @isWkEnd = 0 and (@month = 12 and @day = 25)
set @holID=10 -- xmas day on workday
else if @weekday= 6 and (@month = 12 and @day = 24)
set @holID=10 -- holiday on sat, change to fri
else if @weekday= 2 and (@month = 12 and @day = 26)
set @holID=10 -- holiday on sun, change to mon
else
set @holID = null
insert into tblDay select @dt,@weekday,@wkInMo,@isWkEnd,@holID,@workDayCount
if @isWkEnd=0 and @holID is null
set @workDayCount = @workDayCount + 1
set @dt = @dt + 1
if datepart( weekday, @Dt ) = @firstDwOfMo
set @wkInMo = @wkInMo + 1
end
END
Ich habe auch einen Feiertagstisch, aber jeder hat andere Feiertage:
holidayID holiday rule description
1 New Year's Day Jan. 1
2 Martin Luther King Day third Mon. in Jan.
3 Presidents' Day third Mon. in Feb.
4 Memorial Day last Mon. in May
5 Independence Day 4-Jul
6 Labor Day first Mon. in Sept
7 Veterans' Day Nov. 11
8 Thanksgiving fourth Thurs. in Nov.
9 Fri after Thanksgiving Friday after Thanksgiving
10 Christmas Day Dec. 25
HTH
