Write date records to a table.

I have table A with 4 records and each record contains 1 field that has either 1,2,3 or 4 in it:
1
2
3
4

I have table B:

When I read table A and Table A's record has a 1:  
Write 1 record to Table B with todays date.

When I read table A and Table A's record has a 2:  
Write 1 record to Table B with tomorrows date.

When I read table A and Table A's record has a 3:  
Write 7 records to Table B which will represent the next 7 days starting with tomorrows date.

When I read table A and Table A's record has a 4:
Write 365 records to Table B which will represent  365 days starting with tomorrows date + 14 days..

Date format would be 2015-11-16
thayduckProgrammer AnalystAsked:
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Najam UddinCommented:
Variable @val decides the case
DECLARE @val int = 4
DECLARE @start date
DECLARE @end date
DECLARE @currentDate date

SET @currentDate = CONVERT(date,GETDATE())

SELECT @start =  CASE WHEN @val = 1 THEN @currentDate
					  ELSE DATEADD(D , 1 , @currentDate)
			     END

SELECT @end =    CASE WHEN @val = 1 THEN @currentDate
					  WHEN @val = 2 THEN DATEADD(D , 1 , @currentDate)
					  WHEN @val = 3 THEN DATEADD(D , 8 , @currentDate)
					  WHEN @val = 4 THEN DATEADD(D , 366 , @currentDate)
			     END

SELECT @start, @end;

;with dateRange as
(
  select dt = dateadd(dd, 0, @start)
  where dateadd(dd, 0, @start) <= @end
  union all
  select dateadd(dd, 1, dt)
  from dateRange
  where dateadd(dd, 1, dt) < @end
)
select *
from dateRange
OPTION (MAXRECURSION 365)

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0
thayduckProgrammer AnalystAuthor Commented:
I have you code working but having a issue.

Your code is inside a stored procedure that is used to create report.

Your code uses SELECT inside the WHILE statements. These SELECT' s create results that show up when I execute  my stored procedure. These SELECT results interfere with my final Select query in my Store Procedure that feed the SSRS report.

Is there any way to do your coding where you don't use SELECT or is there a way to delete them so my final SELECT result is the only SELECT my SSRS gets ?
0
Najam UddinCommented:
In place of select use SET to set variable value
0
Najam UddinCommented:
DECLARE @val int = 4
DECLARE @start date
DECLARE @end date
DECLARE @currentDate date

SET @currentDate = CONVERT(date,GETDATE())

SET @start =  (SELECT CASE WHEN @val = 1 THEN @currentDate
					  ELSE DATEADD(D , 1 , @currentDate)
			     END)

SET @end = (SELECT   CASE WHEN @val = 1 THEN @currentDate
					  WHEN @val = 2 THEN DATEADD(D , 1 , @currentDate)
					  WHEN @val = 3 THEN DATEADD(D , 8 , @currentDate)
					  WHEN @val = 4 THEN DATEADD(D , 366 , @currentDate)
			     END)


;with dateRange as
(
  select dt = dateadd(dd, 0, @start)
  where dateadd(dd, 0, @start) <= @end
  union all
  select dateadd(dd, 1, dt)
  from dateRange
  where dateadd(dd, 1, dt) < @end
)

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And join/select.. what ever is required to do with dateRange
0

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thayduckProgrammer AnalystAuthor Commented:
Works perfect now.
Does exactly what I need.
Thanks for your help and quick responses.
0
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Microsoft SQL Server 2008

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