Re: count( distinct index_number, type ) -- RPG400-L

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Thank Eric. You SQL work perfectly. I'm surprise to see that it
actually running faster than the version that I've.

"DeLong, Eric" <EDeLong@xxxxxxxxxxxxxxx> wrote in message
news:<mailman.14701.1246043120.23468.rpg400-l@xxxxxxxxxxxx>...
What about

Select count(distinct digits(index_number) concat type) from
invoice_files where status
= 'P' and file_name like '%invoiceFileName%'

This presumes that "index_number" is in fact numeric, and "type" is
char.

-Eric DeLong

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of hockchai Lim
Sent: Friday, June 26, 2009 1:41 PM
To: rpg400-l@xxxxxxxxxxxx
Subject: count( distinct index_number, type )

Anyone know how I can convert this mysql select statement into the DB2
equivelant?

select count( distinct index_number, type ) from invoice_files where
status
= 'P' and file_name like '%invoiceFileName%'

I come up with this:
with a as
(select distinct index_number, type from invoice_files
where status = 'P' and file_name like '%invoiceFileName%'
group by index_number, type order by index_number, type)
select count(*) from a

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