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

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% 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.