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

SQRT [esql-sqrt]

Syntax

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Parameters

number

Numeric expression. If null, the function returns null.

Description

Returns the square root of a number. The input can be any numeric value, the return value is always a double. Square roots of negative numbers and infinities are null.

Supported types

number	result
double	double
integer	double
long	double
unsigned_long	double

Example

ROW d = 100.0
| EVAL s = SQRT(d)

d: double	s:double
100.0	10.0