ZN

Logical functions

Syntax

ZN( expression )

Description

Returns expression if it's not NULL. Otherwise returns 0.

Argument types:

• expression — Number

Return type: Same type as (expression)

Examples

ZN(1) = 1

ZN(NULL) = 0

Data source support

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