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

Co-authored-by: Liam Thompson <32779855+leemthompo@users.noreply.github.com>
Co-authored-by: Liam Thompson <leemthompo@gmail.com>
Co-authored-by: Martijn Laarman <Mpdreamz@gmail.com>
Co-authored-by: István Zoltán Szabó <szabosteve@gmail.com>
2025-02-27 17:56:14 +01:00

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POW [esql-pow]

Syntax

:::{image} ../../../../../images/pow.svg :alt: Embedded :class: text-center :::

Parameters

base
Numeric expression for the base. If null, the function returns null.
exponent
Numeric expression for the exponent. If null, the function returns null.

Description

Returns the value of base raised to the power of exponent.

::::{note} It is still possible to overflow a double result here; in that case, null will be returned. ::::

Supported types

base exponent result
double double double
double integer double
double long double
double unsigned_long double
integer double double
integer integer double
integer long double
integer unsigned_long double
long double double
long integer double
long long double
long unsigned_long double
unsigned_long double double
unsigned_long integer double
unsigned_long long double
unsigned_long unsigned_long double

Examples

ROW base = 2.0, exponent = 2
| EVAL result = POW(base, exponent)
base:double exponent:integer result:double
2.0 2 4.0

The exponent can be a fraction, which is similar to performing a root. For example, the exponent of 0.5 will give the square root of the base:

ROW base = 4, exponent = 0.5
| EVAL s = POW(base, exponent)
base:integer exponent:double s:double
4 0.5 2.0