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

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CONCAT [esql-concat]

Syntax

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Parameters

string1
Strings to concatenate.
string2
Strings to concatenate.

Description

Concatenates two or more strings.

Supported types

string1 string2 result
keyword keyword keyword
keyword text keyword
text keyword keyword
text text keyword

Example

FROM employees
| KEEP first_name, last_name
| EVAL fullname = CONCAT(first_name, " ", last_name)
first_name:keyword last_name:keyword fullname:keyword
Alejandro McAlpine Alejandro McAlpine
Amabile Gomatam Amabile Gomatam
Anneke Preusig Anneke Preusig