method
merge_select_values
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Class: Merger
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merge_select_values()
private
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# File activerecord/lib/active_record/relation/merger.rb, line 84 def merge_select_values return if other.select_values.empty? if other.klass == relation.klass relation.select_values |= other.select_values else relation.select_values |= other.instance_eval do arel_columns(select_values) end end end