On 11 June 2010 20:10, Michael Pavling <[email protected]> wrote:
> Bar.all(:joins => :foos).uniq
Seems to... quick and dirty test on one of my models:
>> Person.all(:include => :graduations).select { |person|
>> !person.graduations.empty? }.size
=> 87
>> Person.all(:include => :graduations).select { |person|
>> person.graduations.size > 0 }.size
=> 87
>> Person.all(:joins => :graduations).size
=> 103
>> Person.all(:joins => :graduations).uniq.size
=> 87
>>
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