Created
September 2, 2016 16:53
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another approach
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| tenant.invoices.joins(:line_items) | |
| .includes(line_items:[:accounting]) | |
| .where('line_items.type=?', 'SimpleLineItem') | |
| .where('line_items.description ilike ?', '%er%') | |
| .map(&:line_items).flatten | |
| .map(&:description) | |
| .select{|x| x.match(/er/i)} | |
| .sort{|a,b| a.downcase<=>b.downcase} | |
| .uniq.first(5) |
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