Correct protocol downgrade error when some table features are enabled #2062
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Which Delta project/connector is this regarding?
Description
This PR improves the logic of deciding protocol versions in ALTER TABLE commands. Specifically, when a query specifies a lower protocol version along with a table prop that enables a table feature, we will try to "correct" the lower protocol version to a higher one that supports the said table feature. Some examples:
How was this patch tested?
New tests.
Does this PR introduce any user-facing changes?
Yes. See the first section.