[Aggregate Function] Support DataSketches in StarRocks

StarRocks / starrocks

The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance for multi-dimensional analytics, real-time analytics, and ad-hoc queries. A Linux Foundation project.

https://starrocks.io

Apache License 2.0

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[Aggregate Function] Support DataSketches in StarRocks #50671

Open LiShuMing opened 2 months ago

LiShuMing commented 2 months 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 months ago

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

LiShuMing commented 2 months ago

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