elasticsearch/docs/reference/esql/functions/least.asciidoc
Abdon Pijpelink 8ac4ba751e
Restructure ES|QL docs (#100806)
* Break out 'Limitations' into separate page

* Add REST API docs

* Restructure commands, functions, and operators refs

* Add placeholder for getting started guide

* Group 'Syntax', 'Metafields', and 'MV fields' under 'Language'

* Add placeholder for Kibana page

* Add link from landing page

* Apply uniform formatting to ACOS, CASE, and DATE_PARSE function refs

* Reword default LIMIT

* Add support for COUNT(*)

* Move 'Commands' and 'Functions and operators' to individual pages

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Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
2023-10-17 17:36:14 +02:00

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Text

[discrete]
[[esql-least]]
=== `LEAST`
[.text-center]
image::esql/functions/signature/least.svg[Embedded,opts=inline]
Returns the minimum value from many columns. This is similar to <<esql-mv_min>>
except it's intended to run on multiple columns at once.
[source.merge.styled,esql]
----
include::{esql-specs}/math.csv-spec[tag=least]
----
[%header.monospaced.styled,format=dsv,separator=|]
|===
include::{esql-specs}/math.csv-spec[tag=least-result]
|===
NOTE: When run on `keyword` or `text` fields, this'll return the first string
in alphabetical order. When run on `boolean` columns this will return
`false` if any values are `false`.
Supported types:
include::types/least.asciidoc[]