elasticsearch/docs/reference/query-languages/esql/_snippets/functions/log10.md

LOG10 [esql-log10]

Syntax

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Parameters

number : Numeric expression. If null, the function returns null.

Description

Returns the logarithm of a value to base 10. The input can be any numeric value, the return value is always a double. Logs of 0 and negative numbers return null as well as a warning.

Supported types

number	result
double	double
integer	double
long	double
unsigned_long	double

Example

ROW d = 1000.0
| EVAL s = LOG10(d)

d: double	s:double
1000.0	3.0