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

% This is generated by ESQL's AbstractFunctionTestCase. Do no edit it. See ../README.md for how to regenerate it.

Example

ROW a=["foo", "foo", "bar", "foo"]
| EVAL dedupe_a = MV_DEDUPE(a)

a:keyword	dedupe_a:keyword
["foo", "foo", "bar", "foo"]	["foo", "bar"]