Re: Obtaining the last record for the day

If the file is big it will be moré efficient to check the timestamp between
begin and end of day.

El mié., 2 de dic. de 2020 16:07, Therrien, Paul via MIDRANGE-L <
midrange-l@xxxxxxxxxxxxxxxxxx> escribió:

where date(time_stamp) = some_date


-----Original Message-----
From: Alan Shore [mailto:ashore@xxxxxxxx]
Sent: Wednesday, December 2, 2020 2:03 PM
To: Therrien, Paul <ptherrien@xxxxxxxxxxx>; Midrange Systems Technical
Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: RE: Obtaining the last record for the day

Thanks for your reply Paul
I had an epiphany just after I sent the e-mail and I am heading down this
same direction The one thing missing from your example is the highest
timestamp for the day, not just the highest timestamp

Alan Shore
E-mail : ASHORE@xxxxxxxx
Phone [O] : (631) 200-5019
Phone [C] : (631) 880-8640
'If you're going through hell, keep going.'
Winston Churchill


-----Original Message-----
From: Therrien, Paul [mailto:ptherrien@xxxxxxxxxxx]
Sent: Wednesday, December 2, 2020 1:57 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Cc: Alan Shore <ashore@xxxxxxxx>
Subject: [EXTERNAL] RE: Obtaining the last record for the day

something like this:

select product, available_qty, time_stamp from myfile a where (product,
time_stamp) in ( select product, max(time_stamp) from myfile b where
b.product = a.product group by product);

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxxxxxxxx] On Behalf
Of Alan Shore via MIDRANGE-L
Sent: Wednesday, December 2, 2020 1:12 PM
To: midrange-l@xxxxxxxxxxxxxxxxxx
Cc: Alan Shore <ashore@xxxxxxxx>
Subject: Obtaining the last record for the day

Hi everyone
We are on V7r3
We have a file that is an audit of the available quantity of products The
fields are Product, time_stamp, Available_Qty I need to obtain the LAST
record for a product within the same day For example Product time_stamp
Available_Qty
5
2020-11-06-19.19.33.418000
6,469
6
2020-11-06-19.19.17.852000
1,645
35
2020-11-06-19.20.34.152000
1,595
65
2020-11-06-19.20.14.041000
1,522
70
2020-11-06-19.19.36.783000
4,433
70
2020-11-06-22.03.12.252000
4,431
91
2020-11-06-19.20.23.527000
8,890

Which would then result in
Product
time_stamp
Available_Qty
5
2020-11-06-19.19.33.418000
6,469
6
2020-11-06-19.19.17.852000
1,645
35
2020-11-06-19.20.34.152000
1,595
65
2020-11-06-19.20.14.041000
1,522
70
2020-11-06-22.03.12.252000
4,431
91
2020-11-06-19.20.23.527000
8,890

Hope this makes sense

Alan Shore
E-mail : ASHORE@xxxxxxxx<mailto:ASHORE@xxxxxxxx>
Phone [O] : (631) 200-5019
Phone [C] : (631) 880-8640
'If you're going through hell, keep going.'
Winston Churchill

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