Aggregate Functions

function any_value($1) returns $1

function array_agg($1) returns array<$1>

function array_avg $1(array<$1>) returns double
	where $1 in (int, bigint, float, double)

function array_concat_agg(array<$1>) returns array<$1>

function avg $1($1) returns $1
	where $1 in (double, interval)
function avg(bigint) returns double

function bit_and(bigint) returns bigint

function bit_or(bigint) returns bigint

function bit_xor(bigint) returns bigint

function corr(float64, float64) returns float64

function count($1) returns bigint

function countif(bool) returns bigint

function covar_pop(float64, float64) returns float64

function covar_samp(float64, float64) returns float64

function logical_and(bool) returns bool

function logical_or(bool) returns bool

function max($1) returns $1

function max_by($1, $2) returns $1

function min($1) returns $1

function min_by($1, $2) returns $1

function stddev_pop(float64) returns float64

function stddev_samp(float64) returns float64

function string_agg $1($1) returns $1
	where $1 in (string, bytes)
function string_agg $1($1, $1) returns $1
	where $1 in (string, bytes)

function sum($1) returns $1

function var_pop(float64) returns float64

function var_samp(float64) returns float64