Fix set operation precedence issues#36110
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roji merged 2 commits intodotnet:mainfrom May 22, 2025
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| FROM [Customers] AS [c0] | ||
| WHERE [c0].[City] = N'México D.F.' | ||
| """ | ||
| ( |
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Note that this SQL is slightly worse - we add parentheses although they're not needed. We were already doing this for non-EXCEPT cases (for two heterogeneous set operations). At some point we can improve the parentheses algorithm to more fully eliminate parentheses when they're not needed.
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May 22, 2025
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This was referenced May 24, 2025
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Fixes #36105
Fixes #36112
Thanks to @Charlieface for reporting #36105 and also suggesting the right fix.