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datafusion::functions_aggregate::approx_distinct - Rust

Module datafusion::functions_aggregate::approx_distinct

Expand description

Defines physical expressions that can evaluated at runtime during query execution

Structs§

ApproxDistinct

Functions§

approx_distinct
approximate number of distinct input values
approx_distinct_udaf
AggregateFunction that returns a AggregateUDF for [$UDAF]