[Aggregate Function] Support DataSketches in StarRocks

StarRocks / starrocks

StarRocks, a Linux Foundation project, is a next-generation sub-second MPP OLAP database for full analytics scenarios, including multi-dimensional analytics, real-time analytics, and ad-hoc queries.

https://starrocks.io

Apache License 2.0

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[Aggregate Function] Support DataSketches in StarRocks #50671

Open LiShuMing opened 2 weeks ago

LiShuMing commented 2 weeks ago

Enhancement

Since StarRocks has already integrated with DataSketches and supported HLLSketch, but we can support more sketches for more user scenes.

Theta Sketch
Frequency Sketches
Quantile Sketches
....

chenminghua8 commented 2 weeks ago

@LiShuMing Can you assign this task to me? I want to try it.

LiShuMing commented 2 weeks ago

Of course. Thanks for your contributions. You can do this by referring ds_hll_count_distinct.h.