Fix GpuCast losing the timezoneId during canonicalization #5713
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Fixes #5670
The timezoneid setting was being lost during canonicalization on GpuCast which ultimately caused a parse error to occur because during plan canonicalization we end up trying to access a canoncialized Alias which will end up trying to do a parse if it is not resolved. The GpuCast wasn't resolved because it didn't have the timezone id.
The fix is straight forward and we had a comment there to add in the needsTimeZone check. Basically we were intentionally nulling it out when we shouldn't have been because we weren't checking needsTimeZone
I want to try to add a test case to the integration tests but need to find minimal repro cast, putting up here for early review and run tests and get in asap. I can always followup with test.
Signed-off-by: Thomas Graves tgraves@nvidia.com