ZN
Syntax
ZN( expression )
Description
Returns expression
if it's not NULL
. Otherwise returns 0.
Argument types:
expression
—Fractional number | Integer
Return type: Same type as (expression
)
Example
[sales] | ZN([sales]) |
---|---|
432.40 |
432.40 |
77.00 |
77.00 |
12000.00 |
12000.00 |
NULL |
0.00 |
34.25 |
34.25 |
128.00 |
128.00 |
0.00 |
0.00 |
NULL |
0.00 |
Data source support
ClickHouse 21.8
, Microsoft SQL Server 2017 (14.0)
, MySQL 5.7
, Oracle Database 12c (12.1)
, PostgreSQL 9.3
, YDB
.