I am a little stomped and wandering if someone might have an idea how
to go about doing this.
following on from this guide http://www.4guysfromrolla.com/webtech/031004-1.shtml on matching a
comma-delimited string, I would like to expand on this and match two
comma-delimited string in a sproc.
In my database, table A have a city field containing a comma delimited
string ie 'sydney, new york, chicago'. I am passing a similar
comma-delimited string to a sproc and returning matcheing id.
so, we have table A:
id/city
1/sydney, new york, chicago
2/new york, san antonio
3/beijing, sydney
4/london,beijing
passing string 'sydney, new york'
need to return: id 1,2,3 (1,2 match new york and 1,3 matching sydney)
any ideas? 1 4554
On 10 Aug 2004 10:51:01 -0700, Oat wrote: I am a little stomped and wandering if someone might have an idea how to go about doing this.
following on from this guide http://www.4guysfromrolla.com/webtech/031004-1.shtml on matching a comma-delimited string, I would like to expand on this and match two comma-delimited string in a sproc.
In my database, table A have a city field containing a comma delimited string ie 'sydney, new york, chicago'. I am passing a similar comma-delimited string to a sproc and returning matcheing id.
so, we have table A: id/city 1/sydney, new york, chicago 2/new york, san antonio 3/beijing, sydney 4/london,beijing
passing string 'sydney, new york'
need to return: id 1,2,3 (1,2 match new york and 1,3 matching sydney)
any ideas?
First, define the dbo.Split(@lst, @splitOn) as they do in that article.
Next, define a second UDF:
create FUNCTION match( @s1 varchar(1000), @s2 varchar(1000) )
returns int
as
begin
declare @r int
select @r = count(*) from
(select value from dbo.Split(@s1,' ,')) V1,
(select value from dbo.Split(@s2,' ,')) V2
where V1.value = V2.value
return(@r)
end
GO
Now you can do
SELECT A.ID FROM A
WHERE dbo.match(A.cit y, 'sydney, new york') > 0
This won't be fast on large datasets. Normalization is a much better
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