elasticsearch/docs/reference/esql/functions/ceil.asciidoc

[discrete]
[[esql-ceil]]
=== `CEIL`

*Syntax*

[.text-center]
image::esql/functions/signature/ceil.svg[Embedded,opts=inline]

*Parameters*

`n`::
Numeric expression. If `null`, the function returns `null`.

*Description*

Round a number up 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 {javadoc}/java.base/java/lang/Math.html#ceil(double)[Math.ceil].

*Supported types*

include::types/ceil.asciidoc[]


*Example*

[source.merge.styled,esql]
----
include::{esql-specs}/math.csv-spec[tag=ceil]
----
[%header.monospaced.styled,format=dsv,separator=|]
|===
include::{esql-specs}/math.csv-spec[tag=ceil-result]
|===