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+1 . . . I very much like this solution, although I do prefer cross join to the use of a , in the from clause.

Gordon Linoff
– Gordon Linoff

2013-06-05 15:29:07 +00:00
Commented Jun 5, 2013 at 15:29
1

@GordonLinoff Heh, I just thought about this monstrosity: SELECT substring(a.acctNo from 1 for generate_series(1,length(a.acctno))) as level, sum(a.credit) FROM account a group by 1 order by 1. Somewhat "cleaner", possibly more performant, but a lot harder to understand.

maniek
– maniek

2013-06-05 15:55:25 +00:00
Commented Jun 5, 2013 at 15:55

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