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

FLOOR [esql-floor]

Syntax

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

Parameters

number

Numeric expression. If null, the function returns null.

Description

Round a number down to the nearest integer.

::::{note} This is a noop for long (including unsigned) and integer. For double this picks the closest double value to the integer similar to Math.floor. ::::

Supported types

number	result
double	double
integer	integer
long	long
unsigned_long	unsigned_long

Example

ROW a=1.8
| EVAL a=FLOOR(a)

a:double
1