Comparison
Syntax
Equality
value_1 = value_2
Inequality
value_1 != value_2
Less than
value_1 < value_2
Less than or equal
value_1 <= value_2
Greater than
value_1 > value_2
Greater than or equal
value_1 >= value_2
Description
Compares the value value_1 with the value value_2.
Argument types:
value_1—Array of fractional numbers | Array of integers | Array of strings | Boolean | Date | Datetime | Fractional number | Geopoint | Geopolygon | Integer | String | UUIDvalue_2—Array of fractional numbers | Array of integers | Array of strings | Boolean | Date | Datetime | Fractional number | Geopoint | Geopolygon | Integer | String | UUID
Return type: Boolean
Note
Due to implementation details of the Fractional number type in ClickHouse sources it is recommended to use the COMPARE function instead of comparison operators for this type.
Examples
1 = 1 = TRUE
7 > 2 > 1 = TRUE
Data source support
ClickHouse 21.8, Yandex Metrica, Microsoft SQL Server 2017 (14.0), MySQL 5.7, Oracle Database 12c (12.1), PostgreSQL 9.3, YDB.