[ARROW-14158] [C++][Compute] Implement count distinct kernel using HyperLogLog

• Type: New Feature
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 7.0.0
• Component/s: C++
• Labels: Kernels kernel
• External issue URL: https://github.com/apache/arrow/issues/29746
• Assignee: Unassigned
• Reporter: Percy Camilo Triveño Aucahuasi
• Created: 28/Sep/21 19:45
• Updated: 11/Jan/23 08:38

Description

Having a version of the aggregation kernel count distinct using HyperLogLog may be useful.

Note: The implementation should support the merge operator.

cc icook lidavidm

Some resources/links:
http://algo.inria.fr/flajolet/Publications/FlFuGaMe07.pdf
https://engineering.fb.com/2018/12/13/data-infrastructure/hyperloglog/
https://github.com/facebookincubator/velox/tree/main/velox/aggregates/hyperloglog