ZN
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
, Oracle Database 12c (12.1)
, PostgreSQL 9.3
.