elasticsearch/docs/reference/query-languages/esql/_snippets/functions/parameters/log.md

% This is generated by ESQL's AbstractFunctionTestCase. Do no edit it. See ../README.md for how to regenerate it.

Parameters

base

Base of logarithm. If null, the function returns null. If not provided, this function returns the natural logarithm (base e) of a value.

number

Numeric expression. If null, the function returns null.