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

• Aggregate

• Numeric

• Window

Usage

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

Argument	Type	Optional	Repeatable	Restrictions
item	storable	yes	yes	none