This documentation is related to an older version of Firebolt. For the most current documentation, see Firebolt documentation.
MAX_BY
The MAX_BY function returns the value of the specified <expression> column at the row with the maximum value in the specified <value> column.
If there is more than one of the same maximum value in <value>, then the first occurring will be returned.
Syntax
MAX_BY(<expression>, <value>)
Parameters
| Parameter | Description | Supported input types |
|---|---|---|
<expression> | The column from which the value is returned | Any type |
<value> | The column that is search for a maximum value | Any string, numeric or date/timestamp type |
Return Types
Same as input type of <expression>
Example
For this example, see the following table, tournaments:
| name | totalprizedollars |
|---|---|
| The Drifting Thunderdome | 24,768 |
| The Lost Track Showdown | 5,336 |
| The Acceleration Championship | 19,274 |
| The French Grand Prix | 237 |
| The Circuit Championship | 9,739 |
In the example below, MAX_BY is used to find the tournament with the highest total prize.
SELECT
MAX_BY(name, totalprizedollars) as maxprizetournament
FROM
tournaments;
Returns: The Drifting Thunderdome