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Problem with functions

Author

Topic

xlncsql
Starting Member

3 Posts

Posted - 2010-03-06 : 11:34:13

HI here the function I have created to split the string ex:'m1,m2,m3'
to be splitted as m1,m2,m3. I have sucessfully created function but when use the function with a string it gives me NUll o/p can you guyz help me out with it

create function fun_split
(
@string varchar(20)
)
RETURNS char(5)
begin
declare @b int,@c varchar(5), @d varchar(5)
set @d = replace('@string',',','.')
set @b=0
while(@b<4)
begin
set @c=parsename(@d,@b)
set @b=@b+1
return (@c)
end
end
SELECT DBO.fun_split('M1,M2')
Gives me null O/P if this not right way doing can you explane me y?

webfred
Master Smack Fu Yak Hacker

8781 Posts

Posted - 2010-03-06 : 12:21:07

replace('@string',',','.')
replace(@string,',','.')

No, you're never too old to Yak'n'Roll if you're too young to die.

xlncsql
Starting Member

3 Posts

Posted - 2010-03-06 : 21:57:08

I did dat too stillit returns me null.I guess I am using sclar functions so I made use of TVF table value function so here is my code

alter function fun_split1
(
@string varchar(20)
)
RETURNS @tab table
(
t varchar(10)
)
as
begin
declare @b int,
@c varchar(10),
@d varchar(10),
@x varchar(10)
insert @tab
select @c
set @d = replace(@string,',','.')
set @b=len(@d)
while(@b<4)
begin
set @c=parsename(@d,@b)
set @b=@b+1
end
return
end

can you identtifie mistakes in this

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2010-03-07 : 02:18:45

see this

http://visakhm.blogspot.com/2010/02/parsing-delimited-string.html

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/

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