SQL return date from function gets an error in setting variable










0














I get the error "Operand data type varchar is invalid for subtract operator." in line 6 where i set the dummy variable.



When i remove the first part there is no error, so i think the setting of the variable also tries to execute some of the functions in the string.



Is is possible to set a variable with functions without having the setting also trying to execute the functions? Or should this be done in an entirely different way?



All i want is the option to use dbo.TimeInterval(7) (or something like this) instead of "REPLACE([US-Date],'-','') between CONVERT(int,CONVERT(varchar(10),GETDATE()-7,112)) and CONVERT(int,CONVERT(varchar(10),GETDATE(),112))" when i want the time interval of 7 days from today...



CREATE FUNCTION dbo.TimeInterval(@Input VARCHAR(1000))
RETURNS VARCHAR(1000)
AS BEGIN
DECLARE @dummy VARCHAR(1000)

SET @dummy = 'REPLACE([US-Date],'-','') between CONVERT(int,CONVERT(varchar(10),GETDATE()-Tidsinterval,112)) and CONVERT(int,CONVERT(varchar(10),GETDATE(),112))'
SET @dummy = REPLACE(@dummy, 'Tidsinterval',@Input)
RETURN @dummy
END









share|improve this question

















  • 1




    Escape your quotes.
    – HoneyBadger
    Nov 12 at 10:21










  • Use DateAdd instead not - operator. BTW your function is questionable, you better use date times for comparison.
    – Cetin Basoz
    Nov 12 at 10:22











  • It is seen as REPLACE([US-Date], - ,') between.. and you cannot subtract varchar values
    – Hans Kesting
    Nov 12 at 11:56











  • @HansKesting Ah yes of course! How do i declare it, so it takes in the entire string? Parenthesis doesnt work for me..
    – Gerdes88
    Nov 12 at 12:11










  • Double the quotes to escape them: 'REPLACE([US-Date],''-'','''') ...
    – Hans Kesting
    Nov 12 at 12:13















0














I get the error "Operand data type varchar is invalid for subtract operator." in line 6 where i set the dummy variable.



When i remove the first part there is no error, so i think the setting of the variable also tries to execute some of the functions in the string.



Is is possible to set a variable with functions without having the setting also trying to execute the functions? Or should this be done in an entirely different way?



All i want is the option to use dbo.TimeInterval(7) (or something like this) instead of "REPLACE([US-Date],'-','') between CONVERT(int,CONVERT(varchar(10),GETDATE()-7,112)) and CONVERT(int,CONVERT(varchar(10),GETDATE(),112))" when i want the time interval of 7 days from today...



CREATE FUNCTION dbo.TimeInterval(@Input VARCHAR(1000))
RETURNS VARCHAR(1000)
AS BEGIN
DECLARE @dummy VARCHAR(1000)

SET @dummy = 'REPLACE([US-Date],'-','') between CONVERT(int,CONVERT(varchar(10),GETDATE()-Tidsinterval,112)) and CONVERT(int,CONVERT(varchar(10),GETDATE(),112))'
SET @dummy = REPLACE(@dummy, 'Tidsinterval',@Input)
RETURN @dummy
END









share|improve this question

















  • 1




    Escape your quotes.
    – HoneyBadger
    Nov 12 at 10:21










  • Use DateAdd instead not - operator. BTW your function is questionable, you better use date times for comparison.
    – Cetin Basoz
    Nov 12 at 10:22











  • It is seen as REPLACE([US-Date], - ,') between.. and you cannot subtract varchar values
    – Hans Kesting
    Nov 12 at 11:56











  • @HansKesting Ah yes of course! How do i declare it, so it takes in the entire string? Parenthesis doesnt work for me..
    – Gerdes88
    Nov 12 at 12:11










  • Double the quotes to escape them: 'REPLACE([US-Date],''-'','''') ...
    – Hans Kesting
    Nov 12 at 12:13













0












0








0







I get the error "Operand data type varchar is invalid for subtract operator." in line 6 where i set the dummy variable.



When i remove the first part there is no error, so i think the setting of the variable also tries to execute some of the functions in the string.



Is is possible to set a variable with functions without having the setting also trying to execute the functions? Or should this be done in an entirely different way?



All i want is the option to use dbo.TimeInterval(7) (or something like this) instead of "REPLACE([US-Date],'-','') between CONVERT(int,CONVERT(varchar(10),GETDATE()-7,112)) and CONVERT(int,CONVERT(varchar(10),GETDATE(),112))" when i want the time interval of 7 days from today...



CREATE FUNCTION dbo.TimeInterval(@Input VARCHAR(1000))
RETURNS VARCHAR(1000)
AS BEGIN
DECLARE @dummy VARCHAR(1000)

SET @dummy = 'REPLACE([US-Date],'-','') between CONVERT(int,CONVERT(varchar(10),GETDATE()-Tidsinterval,112)) and CONVERT(int,CONVERT(varchar(10),GETDATE(),112))'
SET @dummy = REPLACE(@dummy, 'Tidsinterval',@Input)
RETURN @dummy
END









share|improve this question













I get the error "Operand data type varchar is invalid for subtract operator." in line 6 where i set the dummy variable.



When i remove the first part there is no error, so i think the setting of the variable also tries to execute some of the functions in the string.



Is is possible to set a variable with functions without having the setting also trying to execute the functions? Or should this be done in an entirely different way?



All i want is the option to use dbo.TimeInterval(7) (or something like this) instead of "REPLACE([US-Date],'-','') between CONVERT(int,CONVERT(varchar(10),GETDATE()-7,112)) and CONVERT(int,CONVERT(varchar(10),GETDATE(),112))" when i want the time interval of 7 days from today...



CREATE FUNCTION dbo.TimeInterval(@Input VARCHAR(1000))
RETURNS VARCHAR(1000)
AS BEGIN
DECLARE @dummy VARCHAR(1000)

SET @dummy = 'REPLACE([US-Date],'-','') between CONVERT(int,CONVERT(varchar(10),GETDATE()-Tidsinterval,112)) and CONVERT(int,CONVERT(varchar(10),GETDATE(),112))'
SET @dummy = REPLACE(@dummy, 'Tidsinterval',@Input)
RETURN @dummy
END






sql sql-server






share|improve this question













share|improve this question











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asked Nov 12 at 10:20









Gerdes88

82




82







  • 1




    Escape your quotes.
    – HoneyBadger
    Nov 12 at 10:21










  • Use DateAdd instead not - operator. BTW your function is questionable, you better use date times for comparison.
    – Cetin Basoz
    Nov 12 at 10:22











  • It is seen as REPLACE([US-Date], - ,') between.. and you cannot subtract varchar values
    – Hans Kesting
    Nov 12 at 11:56











  • @HansKesting Ah yes of course! How do i declare it, so it takes in the entire string? Parenthesis doesnt work for me..
    – Gerdes88
    Nov 12 at 12:11










  • Double the quotes to escape them: 'REPLACE([US-Date],''-'','''') ...
    – Hans Kesting
    Nov 12 at 12:13












  • 1




    Escape your quotes.
    – HoneyBadger
    Nov 12 at 10:21










  • Use DateAdd instead not - operator. BTW your function is questionable, you better use date times for comparison.
    – Cetin Basoz
    Nov 12 at 10:22











  • It is seen as REPLACE([US-Date], - ,') between.. and you cannot subtract varchar values
    – Hans Kesting
    Nov 12 at 11:56











  • @HansKesting Ah yes of course! How do i declare it, so it takes in the entire string? Parenthesis doesnt work for me..
    – Gerdes88
    Nov 12 at 12:11










  • Double the quotes to escape them: 'REPLACE([US-Date],''-'','''') ...
    – Hans Kesting
    Nov 12 at 12:13







1




1




Escape your quotes.
– HoneyBadger
Nov 12 at 10:21




Escape your quotes.
– HoneyBadger
Nov 12 at 10:21












Use DateAdd instead not - operator. BTW your function is questionable, you better use date times for comparison.
– Cetin Basoz
Nov 12 at 10:22





Use DateAdd instead not - operator. BTW your function is questionable, you better use date times for comparison.
– Cetin Basoz
Nov 12 at 10:22













It is seen as REPLACE([US-Date], - ,') between.. and you cannot subtract varchar values
– Hans Kesting
Nov 12 at 11:56





It is seen as REPLACE([US-Date], - ,') between.. and you cannot subtract varchar values
– Hans Kesting
Nov 12 at 11:56













@HansKesting Ah yes of course! How do i declare it, so it takes in the entire string? Parenthesis doesnt work for me..
– Gerdes88
Nov 12 at 12:11




@HansKesting Ah yes of course! How do i declare it, so it takes in the entire string? Parenthesis doesnt work for me..
– Gerdes88
Nov 12 at 12:11












Double the quotes to escape them: 'REPLACE([US-Date],''-'','''') ...
– Hans Kesting
Nov 12 at 12:13




Double the quotes to escape them: 'REPLACE([US-Date],''-'','''') ...
– Hans Kesting
Nov 12 at 12:13

















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