Steve Midgley wrote:
# (invoiceid, txid)
(A, 1)
(A, 3)
(B, 1)
(B, 2)
(C, 5)
(D, 6)
(D, 7)
(E, 8)
(F, 8)

For journalling, I need to group/cluster this together. Is there a SQL
query that can generate this output:

# (journal: invoiceids, txids)
[A,B] , [1,2,3]
[C], [5]
[D], [6,7]
[E,F], [8]

Hi Dave,

I'm not following the logic here. A has 1,3 and B has 1,2. So why does the first line print:

[A,B] , [1,2,3]

What's the rule that tells the query to output this way? Is it that all of B's values are between A's values?

From a purely accounting standpoint, since transaction 1 was applied to both invoices A and B, you need to group the invoices so that you can compare total invoiced against total paid.

Joe

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