Analytics SAQL Developer Guide

Overview
Quick Start
Examples
SAQL Reference
SAQL Basic Elements
SAQL Operators
SAQL Statements
SAQL Functions
Aggregate Functions
avg() or average()
count()
first()
last()
max()
median()
min()
sum()
unique()
stddev()
stddevp()
var()
varp()
percentile_cont()
percentile_disc()
regr_intercept()
regr_slope()
regr_r2()
grouping()
Date Functions
Time Zone Date Functions
Work with Custom Fiscal Year Data
String Functions
Math Functions
Windowing Functions
coalesce
Query Performance
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Note: This release is in preview. Features described here don’t become generally available until the latest general availability date that Salesforce announces for this release. Before then, and where features are noted as beta, pilot, or developer preview, we can’t guarantee general availability within any particular time frame or at all. Make your purchase decisions only on the basis of generally available products and features.

max()

Returns the maximum value of a dimension or measure field.

Example - Find the Largest Opportunity for Each Account

1q = load "Ops";
2q = group q by 'Account_Name';
3q = foreach q generate 'Company' as 'Company', max('Amount') as 'Largest Deal';

Example - Find the Last Value in List of Airline Destinations per Origin

For dimensions, max() sorts the values alphabetically and the last value is returned.

1q = load "Airlines";
2q = group q by 'origin';
3q = foreach q generate 'origin' as 'Origin', max('dest') as 'Max Destination';