elasticsearch/docs/reference/esql/functions/description/log.asciidoc

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

*Description*

Returns the logarithm of a value to a base. The input can be any numeric value, the return value is always a double.  Logs of zero, negative numbers, and base of one return `null` as well as a warning.