[jira] [Created] (SPARK-44154) Bitmap functions

["Entong Shen (Jira)" <ji...@apache.org>]

Entong Shen created SPARK-44154:
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             Summary: 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


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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