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https://issues.apache.org/jira/browse/PARQUET-2255?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17699716#comment-17699716
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Gang Wu commented on PARQUET-2255:
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I think there is a similar issue in the dictionary encoding of floating-point
types. [~gszadovszky]
> BloomFilter and float point is ambiguous
> ----------------------------------------
>
> Key: PARQUET-2255
> URL: https://issues.apache.org/jira/browse/PARQUET-2255
> Project: Parquet
> Issue Type: Improvement
> Components: parquet-format
> Reporter: Xuwei Fu
> Priority: Major
> Fix For: format-2.9.0
>
>
> Currently, our Parquet can use BloomFilter for any physical types. However,
> when BloomFilter apply on float:
> # What does +0 -0 means? Are they equal?
> # Should qNaN sNaN written in BloomFilter? Are they equal?
>
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