feat(rust,python,cli): support common variant spelling STDEV in the SQL engine (in addition to STDDEV)
#13303
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alexander-beedie
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ritchie46,
stinodego,
orlp,
c-peters,
MarcoGorelli and
universalmind303
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universalmind303
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Dec 28, 2023
alexander-beedie
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STDEV in the SQL engineSTDEV in the SQL engine (in addition to STDDEV)
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Closes #13302.
It's a coin-flip as to which spelling ("stdev" or "stddev") is used in different database dialects, and there's no harm in supporting both; will make it a little more accessible if you're not a longtime PostgreSQL user (also added support for "var" as an alias for "variance" for much the same reason - didn't add "std" for "stddev" as it is potentially a little more ambiguous and less widely used).
Added new test coverage for both "stddev" and "variance".