alamb opened a new issue, #79:
URL: https://github.com/apache/parquet-testing/issues/79

   -  https://github.com/apache/parquet-testing/pull/76 adds example variant 
binary values
   
   
[Variant](https://github.com/apache/parquet-format/blob/master/VariantEncoding.md)
 is a binary format similar to JSON but allows more types in its value fields. 
   
   At the time of writing, I could not figure out how to create variants with 
certain types using Apache Spark
   
   ```sql
   -- TODO is not clear how to create the following types using Spark SQL
   -- TODO TimeNTZ                    (Type ID 17)
   -- TODO 'timestamp with timezone'  (Type ID 18)
   -- TODO 'timestamp with time zone' (Type ID 19)
   -- TODO 'UUID'                     (Type ID 20)
   ```
   
   @emkornfield  suggested in 
https://github.com/apache/parquet-testing/pull/76#discussion_r2069205964
   
   > I think these were added after the spark implementation, so we likely need 
either a PR to spark or maybe Rust can take the lead once it has them done.
   
   This ticket tracks adding examples for these 4 primitive types


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