Method: ActiveRecord::Relation::ExplainProxy#sum

Defined in:: activerecord/lib/active_record/relation.rb

#sum(identity_or_column = nil) ⇒ `Object`



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# File 'activerecord/lib/active_record/relation.rb', line 44

def sum(identity_or_column = nil)
  exec_explain { @relation.sum(identity_or_column) }
end