Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Done
    • None
    • Impala 4.0.0
    • None
    • None
    • ghx-label-3

    Description

      This function receives a string that is a serialized Apache DataSketches
      HLL sketch and returns its stringified format.

      A stringified format should look like and contains the following data:

      (select ds_hll_stringify(ds_hll_sketch(i)) from t;)
      +----------------------------------------------------+
      |                        _c0                         |
      +----------------------------------------------------+
      | ### HLL SKETCH SUMMARY: 
        Log Config K   : 12
        Hll Target     : HLL_4
        Current Mode   : LIST
        Memory         : true
        LB             : 1.0
        Estimate       : 1.0
        UB             : 1.000049929250618
        OutOfOrder Flag: false
        Coupon Count   : 1
       |
      +----------------------------------------------------+
      

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            tadam Adam Tamas
            tadam Adam Tamas
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              Updated:
              Resolved: