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| Class Summary | |
|---|---|
| CombineHyperLogLogUDF | Combine two HyperLogLog++ structures together. |
| EstimateCardinalityUDF | Interpret a list of strings as a sketch_set and return an estimated reach number |
| HyperLogLogUDAF | Aggregate and return a HyperLogLog. |
| HyperLogLogUDAF.HyperLogLogUDAFEvaluator | |
| UnionHyperLogLogUDAF | Aggregate multiple HyerLogLog structures together. |
| UnionHyperLogLogUDAF.MergeHyperLogLogUDAFEvaluator | |
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