I could have sworn that I saw an email from Josh Berkus on sfpug about how to
do running aggregates (ie. a running tally or total, say in an invoice)
entirely in PostgreSQL, however googling only finds:
and I can't find it in the sfpug archives:
am I mistaken?
If so, is there a way to keep a running tally entirely in PostgreSQL?
sfpug by date
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