Re: Need help on capturing data in a query

Hi Alan,

Does this help you?


https://www.ibm.com/support/knowledgecenter/ssw_ibm_i_73/sqlp/rbafyrecursivequeries.htm

I think it may have the answer you are looking for, and has a fairly easy
to follow example too.

Cheers,
Karl.


-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of
Alan Shore via MIDRANGE-L
Sent: Tuesday, September 22, 2020 1:29 PM
To: midrange-l@xxxxxxxxxxxxxxxxxx
Cc: Alan Shore <ashore@xxxxxxxx>
Subject: Need help on capturing data in a query

Hi everyone
We are on v7r3

I hope I can explain this

I have a query that creates an extract - one record per entity I need to
capture extra data from another file, but this other file can have multiple
records per entity

This extra file contains payment information

Instead of creating an extract with multiple records per entity, I have
been asked to leave it at one record per entity The only way that I can see
this working is to add each piece of data to the end of the one record

For example
One entity has 2 payments, therefore create 2 new fields on the one entity
Payment_1, Payment_2 Another entity has 5 payments, therefore create the 5
fields Payment_1, Payment_2, Payment_3, Payment_4, Payment_5 The next
entity has 4 payments, therefore create the 4 fields Payment_1, Payment_2,
Payment_3, Payment_4

Hope this makes SOME sense

My question is - how can I do this?

I thought of creating a CTE of
Entity, Payment information, Sequence number Where the sequence number is
the chronological instance of the payment for that entity Question is - how
to create a sequence number Then based upon the sequence number, put the
payment information into
Payment_1 if sequence is 1, Payment_2 if sequence is 2, Payment_3 if
sequence is 3, Payment_4 if sequence is 4, Payment_5 if sequence is 5 Etc.

Yeesh
I just read this through god knows how many times Changed the explanation,
god know how many times Hope this makes sense

As always - all answers gratefully accepted



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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