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rsl/gist:6529686

Created September 11, 2013 20:58
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this seems to do what i want
Raw
gistfile1.txt
def self.find_by_ordered_ids(ids)
order_by = ['case']
ids.each_with_index do |id, index|
order_by << "WHEN id='#{id}' THEN #{index}"
end
order_by << 'end'
where(id: ids).order(order_by.join(' '))
end
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