how to set the null values after split in stored procedure

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hi all,

how to split and set the empty values in sql server using stored procedure like
@serchtext='city,sate'
how to split city ,sate separate my out put like:

SQL

@city=city
@state=state

my query like this

SQL

ALTER PROCEDURE [dbo].[SP_TESTSEARCH](@Mode int,@INDUSTRY varchar(100),@JOB_TYPE varchar(100),@SERCHTEXT VARCHAR(100))
AS
BEGIN

Declare @city varchar(100);
Declare @sta varchar(100);
SET @city= SUBSTRING(@LOCATION,0,CHARINDEX(',',@LOCATION,0))
 
Set @sta= SUBSTRING(@LOCATION,(CHARINDEX(',',@LOCATION,0)+1),(lEN(@LOCATION)-(CHARINDEX(',',@LOCATION,0))))
if(@sta is null)
begin
set @sta=''
end
if(@city is null)
begin
set @city=''
end

how to write a query for split and set null or empty the values for declare
variables am search like in:

SQL

exec SP_TESTSEARCH 2,'','','city'

i didn't get any error but display the all records.

am exec the procedure like this:

SQL

exec SP_TESTSEARCH 2,'','','city,'''

i got the matching records
how to set empty values in SP

thanking you

Posted 19-Oct-12 20:43pm

Santhosh23

Updated 19-Oct-12 21:25pm

Sandeep Mewara

v3

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Sandeep Mewara 20-Oct-12 3:27am

Not too clear, but are you looking for:
exec SP_TESTSEARCH 2,NULL,NULL,'city'

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jschell · Answer 1 · 2012-10-20T05:58:00

Your question is at best incomplete.

For starters the code you posted does not define '@LOCATION'. So you are certainly never going to get a city or state from that.

Also I am just ignoring what "all records" means since it doesn't mean anything for the code posted.

I think your requirements are lacking. Based on your question you think you should be able to handle a value with no comma. But your code does not differentiate that. A value without a comma could be EITHER a city or a state and the requirements, not the code must define that.

Your code works, if @LOCATION is defined, for the following cases.
- City and state is provided.
- City with comma is provided.
- State with comma is provided.

It doesn't work if the comma is lacking but, as I said, that is failure in the requirements not the code (at this point.)

Additionally SUBSTRING will never return null unless @LOCATION is null. So the subsequent if checks will only do something if @location is null.