# 22. Virtuoso Functions Guide - max

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Functions Index

## max

Returns maximum value among all its arguments.
number max ( arg1 any, arg2 any, ... , argN any);
Description

The function returns the maximum value among all values in all its arguments, For each node in every argument node-set, it converts the string-value of the node to a number. If some arguments are not node-sets, they are converted to numbers. The maximum number found is returned.

This function is not a part of XPATH 1.0 standard library.

Parameters
argI – A node-set of nodes whose string values must be converted to numbers and added to the result, or single value.
Return Types

Table: 22.1. Errors signalled by
SQLState | Error Code | Error Text | Description
--- | --- | --- | ---
XP001 | XPF05 | Nonempty sequence of values expected as argument of XPATH function max(); max() of nothing is senseless | This happens if the function is called without arguments, or with all arguments set to empty node-sets.

Examples

    max(/report[@type="daily-sales"]/total)

See Also

sum avg min