Ruby on Rails Thursday, December 5, 2013

Matt:

> If you just want data rolled up for *one* Utility (I'm
> guessing that's what `u` in the code above is...)
> you could skip the group:
>
> sum = u.utility_data.sum(:ami_residential)

You are spot on: in this case I'm just considering one Utility at a
time. I don't know what possessed me to include the GROUP clause since
the WHERE clause alone is sufficient. Time to go back to SQL camp...

Many thanks.

- ff

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