Kontinuation opened a new pull request, #17525:
URL: https://github.com/apache/datafusion/pull/17525

   ## Which issue does this PR close?
   
   - Closes #17425.
   
   ## Rationale for this change
   
   The metadata of fields created by `VALUES` SQL expression were lost during 
the creation of `LogicalPlan::Values` logical plan node. This patch tries to 
preserve the field metadata.
   
   ## What changes are included in this PR?
   
   This patch takes the metadata of fields in `VALUES` expression into 
consideration. The schema of `VALUES` expression will contain field with proper 
metadata.
   
   ## Are these changes tested?
   
   1. Added a unit test
   2. Added the repro in the issue to the `user_defined_scalar_functions` test
   
   ## Are there any user-facing changes?
   
   No public API changes.
   


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