etseidl commented on code in PR #466:
URL: https://github.com/apache/parquet-format/pull/466#discussion_r1844245348


##########
LogicalTypes.md:
##########
@@ -609,6 +609,17 @@ that is neither contained by a `LIST`- or `MAP`-annotated 
group nor annotated
 by `LIST` or `MAP` should be interpreted as a required list of required
 elements where the element type is the type of the field.
 
+```

Review Comment:
   > I'm not sure either why `parquet-rs` chosen to write "1-level" lists.
   
   It doesn't by default. It takes user intervention to pass a schema with 
1-level lists to the record writer. The table writer will use the proper 
3-level structure AFAICT.



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