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call(env) public

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# File activerecord/lib/active_record/query_cache.rb, line 31
    def call(env)
      enabled       = ActiveRecord::Base.connection.query_cache_enabled
      connection_id = ActiveRecord::Base.connection_id
      ActiveRecord::Base.connection.enable_query_cache!

      response = @app.call(env)
      response[2] = Rack::BodyProxy.new(response[2]) do
        restore_query_cache_settings(connection_id, enabled)
      end

      response
    rescue Exception => e
      restore_query_cache_settings(connection_id, enabled)
      raise e
    end
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