ES|QL `TO_UPPER` function

Syntax

Embedded

Parameters

str: String expression. If null, the function returns null. The input can be a single-valued column or expression, or a multi-valued column or expression .

Description

Returns a new string representing the input string converted to upper case.

Supported types

str	result
keyword	keyword
text	keyword

Example

		ROW message = "Some Text"
| EVAL message_upper = TO_UPPER(message)

message:keyword	message_upper:keyword
Some Text	SOME TEXT