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Changes between Initial Version and Version 1 of Ticket #33975, comment 5

initial	v1
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9	9	The proper solutions is likely to replace `Query.has_select_fields` by a class attribute that defaults to `False` and have `set_values` set it to `True` and make sure `Query.clone` carries the attribute over. This seems like a more durable options as that avoids trying to peek into internals to determine if a `values` call was performed.
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	11	Gabriel, since you've already written a regression test, would you be interested in submitting a patch that takes the approach proposed above?
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