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https://issues.apache.org/jira/browse/SPARK-44154?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan resolved SPARK-44154.
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Fix Version/s: 3.5.0
Resolution: Fixed
Issue resolved by pull request 41623
[https://github.com/apache/spark/pull/41623]
> Bitmap functions
> ----------------
>
> Key: SPARK-44154
> URL: https://issues.apache.org/jira/browse/SPARK-44154
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.5.0
> Reporter: Entong Shen
> Priority: Major
> Fix For: 3.5.0
>
>
> Implemented bitmap functions. The functions are:
> * {{{}bitmap_bucket_number(){}}}: returns the bucket number for a given
> input number
> * {{{}bitmap_bit_position(){}}}: returns bit position for a given input
> number
> * {{{}bitmap_count(){}}}: returns the number of set bits from an input bitmap
> * {{{}bitmap_construct_agg(){}}}: aggregation function that aggregates input
> bit positions, and creates a bitmap
> * {{{}bitmap_or_agg(){}}}: aggregation function that performs a bitwise OR
> on all the input bitmaps
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