count#

Description#

Count the number of non-null items in the group.

Return type#

int64

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#

count([ item_1, item_2, ... ])

Argument

Type

Optional

Repeatable

Restrictions

item

scalar

yes

yes

none