timsaucer opened a new pull request, #714:
URL: https://github.com/apache/datafusion-python/pull/714

   # Which issue does this PR close?
   
   None.
   
    # Rationale for this change
   
   As requested by @andygrove this PR is a small update to the TPC-H data 
conversion from CSV to parquet. Users at large scales may have a problem of 
running out of unique keys.
   
   # What changes are included in this PR?
   
   It sets the keys to use int64 instead of int32 and sets all fields as not 
null.
   
   # Are there any user-facing changes?
   
   None.


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