asfimport commented on issue #406:
URL: https://github.com/apache/parquet-format/issues/406#issuecomment-2184154145

   [Gang 
Wu](https://issues.apache.org/jira/browse/PARQUET-2249?#comment-17691009) / 
@wgtmac:
   When a page only contains NaN, the page statistics do not set min_value and 
max_value. However, it is not a null page. IMHO, the ColumnIndex of this column 
chunk should be dropped because at least one page does not provide valid 
min/max values.


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