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 ] ... )

Argument	Type	Required	Multiple
item	variant	Optional	Can be multiple