GREATEST

Syntax

GREATEST( value_1, value_2, value_3 [ , ... ] )

Description

Returns the greatest value.

See also LEAST.

Depending on the specified data type, it returns:

  • The greatest number.
  • The last string in alphabetical order.
  • The latest date.
  • TRUE when selecting between TRUE and FALSE for Boolean type.

Argument types:

  • value_1 — Boolean | Date | Datetime | Fractional number | Integer | String
  • value_2 — Boolean | Date | Datetime | Fractional number | Integer | String
  • value_3 — Boolean | Date | Datetime | Fractional number | Integer | String

Return type: Same type as (value_1, value_2, value_3)

Note

Arguments (value_1, value_2, value_3) must be of the same type.

Examples

GREATEST(3.4, 2.6) = 3.4

GREATEST("3.4", "2.6") = "3.4"

GREATEST(#2019-01-02#, #2019-01-17#) = #2019-01-17#

GREATEST(#2019-01-02 04:03:02#, #2019-01-17 03:02:01#) = #2019-01-17 03:02:01#

GREATEST(TRUE, FALSE) = TRUE

GREATEST(34, 5, 7, 3, 99, 1, 2, 2, 56) = 99

GREATEST(5.6, 1.2, 7.8, 3.4) = 7.8

GREATEST(#2019-01-02#, #2019-01-17#, #2019-01-10#) = #2019-01-17#

Data source support

ClickHouse 21.8, Microsoft SQL Server 2017 (14.0), MySQL 5.7, Oracle Database 12c (12.1), PostgreSQL 9.3, YDB.

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