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kirkelifson/meta.rb

Created February 20, 2016 05:59
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Map relation containing id and model to instances
Raw
meta.rb
# Example:
# approvable_id = 7
# approval_type = "Finding"
# Finding.find(7) is yielded
Approval.pluck(:approvable_id, :approvable_type).sort.uniq.map { |id, type| Object.const_get(type).find(id) }.count
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