MAX (window)
Function MAX is also found in the following categories: Aggregate functions.
Syntax
Standard
Extended
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:
value—Boolean | 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].
Formulas:
- City:
[City]; - Category:
[Category]; - Order Sum:
SUM([Orders]); - MAX TOTAL:
MAX(SUM([Orders]) TOTAL); - MAX WITHIN:
MAX(SUM([Orders]) WITHIN [City]); - MAX AMONG:
MAX(SUM([Orders]) AMONG [City]).
Result
| City | Category | Order Sum | MAX TOTAL | MAX WITHIN | MAX AMONG |
|---|---|---|---|---|---|
'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 21.8, Microsoft SQL Server 2017 (14.0), MySQL 5.7, Oracle Database 12c (12.1), PostgreSQL 9.3.