IFNULL
Syntax
IFNULL( check_value, alt_value )
Description
Returns check_value
if it's not NULL
. Otherwise returns alt_value
.
Argument types:
check_value
—Any
alt_value
—Any
Return type: Same type as (check_value
, alt_value
)
Note
Arguments (check_value
, alt_value
) must be of the same type.
Examples
IFNULL([Profit], 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
.