AVG_IF

Aggregate functions

Syntax

AVG_IF( expression, condition )

Description

Returns the average of all values that meet the condition condition. If the values don't exist, it returns NULL. Applicable to numeric data types only.

Argument types:

• expression — Number
• condition — Boolean

Return type: Number (decimal)

Examples

AVG([Profit], [Profit] > 5)

Data source support

Materialized Dataset, ClickHouse 1.1, Microsoft SQL Server 2017 (14.0), MySQL 5.6, PostgreSQL 9.3.

As Window Function

Function AVG_IF is also available as a window function.

Syntax

AVG_IF( expression, condition [ TOTAL | WITHIN [ dim1, ... ] | AMONG [ dim1, ... ] ] )

Examples

AVG_IF([Profit], [Category] = 'Office Supplies' TOTAL)

AVG_IF([Profit], [Category] = 'Office Supplies' WITHIN [Date])

AVG_IF([Profit], [Category] = 'Office Supplies' AMONG [Date])