datafusion_functions_aggregate

Module approx_median

Source
Expand description

Defines physical expressions for APPROX_MEDIAN that can be evaluated MEDIAN at runtime during query execution

Structs§

ApproxMedian
APPROX_MEDIAN aggregate expression

Functions§

approx_median
Computes the approximate median of a set of numbers
approx_median_udaf
AggregateFunction that returns a AggregateUDF for ApproxMedian