method
collapse_wheres
collapse_wheres(arel, wheres)
private
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# File activerecord/lib/active_record/relation/query_methods.rb, line 310 def collapse_wheres(arel, wheres) equalities = wheres.grep(Arel::Nodes::Equality) arel.where(Arel::Nodes::And.new(equalities)) unless equalities.empty? (wheres - equalities).each do |where| where = Arel.sql(where) if String === where arel.where(Arel::Nodes::Grouping.new(where)) end end