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Posted to dev@parquet.apache.org by "Gabor Szadovszky (JIRA)" <ji...@apache.org> on 2018/03/13 13:03:00 UTC

[jira] [Created] (PARQUET-1246) Ignore float/double statistics in case of NaN

Gabor Szadovszky created PARQUET-1246:
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             Summary: Ignore float/double statistics in case of NaN
                 Key: PARQUET-1246
                 URL: https://issues.apache.org/jira/browse/PARQUET-1246
             Project: Parquet
          Issue Type: Bug
            Reporter: Gabor Szadovszky
            Assignee: Gabor Szadovszky


The sorting order of the floating point values are not properly specified, therefore NaN values can cause skipping valid values when filtering. See PARQUET-1222 for more info.
This issue is for ignoring statistics for float/double if it contains NaN to prevent data loss at the read path when filtering.



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