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https://issues.apache.org/jira/browse/SPARK-12818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15949828#comment-15949828
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Dominic Ricard commented on SPARK-12818:
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[~lian cheng] Is there plan to extend support to SQL? Being able to save
sketches and sum them to get count distincts would be awesome.
> Implement Bloom filter and count-min sketch in DataFrames
> ---------------------------------------------------------
>
> Key: SPARK-12818
> URL: https://issues.apache.org/jira/browse/SPARK-12818
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Reporter: Reynold Xin
> Assignee: Cheng Lian
> Fix For: 2.0.0
>
> Attachments: BloomFilterandCount-MinSketchinSpark2.0.pdf
>
>
> This ticket tracks implementing Bloom filter and count-min sketch support in
> DataFrames. Please see the attached design doc for more information.
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