ES|QL MV_SORT function
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Serverless
Generally available
Stack
Generally available
Sorts the values in a multi-value field.
field- Expression that can be null, a single value, or multiple values. If
null, the function returnsnull. order-
Sort order. The valid options are ASC and DESC, the default is ASC.
Sorts a multivalued field in lexicographical order.
| field | order | result |
|---|---|---|
| boolean | keyword | boolean |
| boolean | boolean | |
| date | keyword | date |
| date | date | |
| date_nanos | keyword | date_nanos |
| date_nanos | date_nanos | |
| double | keyword | double |
| double | double | |
| integer | keyword | integer |
| integer | integer | |
| ip | keyword | ip |
| ip | ip | |
| keyword | keyword | keyword |
| keyword | keyword | |
| long | keyword | long |
| long | long | |
| text | keyword | keyword |
| text | keyword | |
| unsigned_long | keyword | unsigned_long |
| unsigned_long | unsigned_long | |
| version | keyword | version |
| version | version |
ROW a = [4, 2, -3, 2]
| EVAL sa = mv_sort(a), sd = mv_sort(a, "DESC")
| a:integer | sa:integer | sd:integer |
|---|---|---|
| [4, 2, -3, 2] | [-3, 2, 2, 4] | [4, 2, 2, -3] |