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

LEAST [esql-least]

Syntax

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Parameters

first

First of the columns to evaluate.

rest

The rest of the columns to evaluate.

Description

Returns the minimum value from multiple columns. This is similar to MV_MIN except it is intended to run on multiple columns at once.

Supported types

first	rest	result
boolean	boolean	boolean
boolean		boolean
date	date	date
date_nanos	date_nanos	date_nanos
double	double	double
integer	integer	integer
integer		integer
ip	ip	ip
keyword	keyword	keyword
keyword		keyword
long	long	long
long		long
text	text	keyword
text		keyword
version	version	version

Example

ROW a = 10, b = 20
| EVAL l = LEAST(a, b)

a:integer	b:integer	l:integer
10	20	10