Module percentile_cont 

Structs

DistinctPercentileContAccumulator 🔒

The distinct percentile_cont accumulator accumulates the raw input values using a HashSet to eliminate duplicates.

PercentileCont

PERCENTILE_CONT aggregate expression. This uses an exact calculation and stores all values in memory before computing the result. If an approximation is sufficient then APPROX_PERCENTILE_CONT provides a much more efficient solution.

PercentileContAccumulator 🔒

The percentile_cont accumulator accumulates the raw input values as native types.

PercentileContGroupsAccumulator 🔒

The percentile_cont groups accumulator accumulates the raw input values

Constants

INTERPOLATION_PRECISION 🔒

Precision multiplier for linear interpolation calculations.

Functions

calculate_percentile 🔒

Calculate the percentile value for a given set of values. This function performs an exact calculation by sorting all values.

percentile_cont

Computes the exact percentile continuous of a set of numbers

percentile_cont_udaf

AggregateFunction that returns a AggregateUDF for PercentileCont