MAX (window)

    Function MAX is also found in the following categories: Aggregate functions.

    Syntax

    MAX( value
         TOTAL | WITHIN ... | AMONG ...
       )
    

    More info:

    MAX( value
         TOTAL | WITHIN ... | AMONG ...
         [ BEFORE FILTER BY ... ]
       )
    

    More info:

    Description

    Returns the maximum value.

    If value:

    • number — Returns the largest number.
    • date — Returns the latest date.
    • string — Returns the last value in the alphabetic order.

    Argument types:

    • valueBoolean | Date | Datetime | Fractional number | Integer | String | UUID

    Return type: Same type as (value)

    Example

    Source data

    Date City Category Orders Profit
    '2019-03-01' 'London' 'Office Supplies' 8 120.80
    '2019-03-04' 'London' 'Office Supplies' 2 100.00
    '2019-03-05' 'London' 'Furniture' 1 750.00
    '2019-03-02' 'Moscow' 'Furniture' 2 1250.50
    '2019-03-03' 'Moscow' 'Office Supplies' 4 85.00
    '2019-03-01' 'San Francisco' 'Office Supplies' 23 723.00
    '2019-03-01' 'San Francisco' 'Furniture' 1 1000.00
    '2019-03-03' 'San Francisco' 'Furniture' 4 4000.00
    '2019-03-02' 'Detroit' 'Furniture' 5 3700.00
    '2019-03-04' 'Detroit' 'Office Supplies' 25 1200.00
    '2019-03-04' 'Detroit' 'Furniture' 2 3500.00

    Grouped by [City], [Category].

    Sorted by [City], [Category].

    Result

    [City] [Category] SUM([Orders]) MAX(SUM([Orders]) TOTAL) MAX(SUM([Orders]) WITHIN [City]) MAX(SUM([Orders]) AMONG [City])
    'Detroit' 'Furniture' 7 25 25 7
    'Detroit' 'Office Supplies' 25 25 25 25
    'London' 'Furniture' 1 25 10 7
    'London' 'Office Supplies' 10 25 10 25
    'Moscow' 'Furniture' 2 25 4 7
    'Moscow' 'Office Supplies' 4 25 4 25
    'San Francisco' 'Furniture' 5 25 23 7
    'San Francisco' 'Office Supplies' 23 25 23 25

    Data source support

    ClickHouse 19.13, Microsoft SQL Server 2017 (14.0), MySQL 5.6, PostgreSQL 9.3.