enable_query_cache()
public

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# File activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb, line 149
        def enable_query_cache
          cache = query_cache
          old_enabled, cache.enabled, old_dirties, cache.dirties = cache.enabled, true, cache.dirties, true
          begin
            yield
          ensure
            cache.enabled, cache.dirties = old_enabled, old_dirties
          end
        end