Module approx_distinct 

Defines physical expressions that can evaluated at runtime during query execution

Macros

default_accumulator_impl 🔒

Structs

ApproxDistinct

BinaryHLLAccumulator 🔒

NullHLLAccumulator 🔒

NumericHLLAccumulator 🔒

StringHLLAccumulator 🔒

StringViewHLLAccumulator 🔒

Functions

approx_distinct

approximate number of distinct input values

approx_distinct_udaf

AggregateFunction that returns a AggregateUDF for ApproxDistinct