IS FALSE
Syntax
value IS [ NOT ] FALSE
Description
Checks whether the value
value is false (FALSE
).
The value IS NOT FALSE
option returns the opposite value.
Argument types:
value
—Boolean | Date | Datetime | Fractional number | Geopoint | Geopolygon | Integer | String
Return type: Boolean
Examples
"" IS FALSE = TRUE
0 IS FALSE = TRUE
FALSE IS FALSE = TRUE
TRUE IS FALSE = FALSE
TRUE IS NOT FALSE = TRUE
#2019-03-05# IS FALSE = FALSE
#2019-03-05 01:02:03# IS FALSE = FALSE
Data source support
ClickHouse 21.8
, Microsoft SQL Server 2017 (14.0)
, MySQL 5.7
, Oracle Database 12c (12.1)
, PostgreSQL 9.3
, YDB
.