tdigest_agg

Description

Generate a single t-digest state out of an arbitrary number of numeric values. This function is purely an aggregate function.

Return type

tdigest

Domain

This is an aggregate function (aggregates rows over a group in aggregate verbs.)

This is a window function (calculates over a group of multiple input rows using windowing.)

Categories

Usage

tdigest_agg(value)

Argument

Type

Optional

Repeatable

Restrictions

value

numeric or duration

no

no

none

Examples

statsby state:tdigest_agg(float_col), group_by()

Aggregates all rows of float_col into a single t-digest representation (presented as a JSON object).