> I tried, and received the same result:
>
> User.group(:first_name)
The thing is, we group for a reason. So PostgreSQL is expecting that
reason to appear, e.g: count(), sum(), etc.
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Actually, as I think about it, you shouldn't have a Select * in a Group
By? You should select the column(s) you want to aggregate.
Check this out:
http://stackoverflow.com/questions/1769361/postgresql-group-by-different-from-mysql
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I checked my install and received the same results. Looks like a
PostgreSQL syntax thing. I'm new to PostgreSQL and have not looked at
group by SQL syntax.
Off the top of my head, as a (non recommended) work around, you could
insert a .select() with a column list, and it should work. That,
Eureka!
The docs are incomplete. I obviously need to add a count, sum, etc
method for the grouping to make sense.
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