ES|QL MV_DIFFERENCE function
Elastic Cloud Serverless projects are autoscaled environments, fully managed by Elastic and available on Elastic Cloud. Availability This functionality is in technical preview and is ready for evaluation. Use with caution in production; it is not recommended for mission-critical workloads. Elastic will work to fix any issues, but features in technical preview are not subject to the support SLA of official GA features. Specific Support terms apply. Serverless interfaces and procedures might differ from classic Elastic Stack deployments. The Elastic Stack includes Elastic's core products such as Elasticsearch, Kibana, Logstash, and Beats. Availability This functionality is in technical preview and is ready for evaluation. Use with caution in production; it is not recommended for mission-critical workloads. Elastic will work to fix any issues, but features in technical preview are not subject to the support SLA of official GA features. Specific Support terms apply. Unless stated otherwise on the page, this functionality is available when your Elastic Stack is deployed on Elastic Cloud Hosted, Elastic Cloud Enterprise, Elastic Cloud on Kubernetes, and self-managed environments. This documentation corresponds to the latest patch available for each minor version. If you're not using the latest patch, check the release notes for changes.
Serverless
Preview
Preview
Stack
Preview
9.4+
Preview since 9.4
Returns values from first field not in second field.
field1- Expression that can be null, a single value, or multiple values. If null, the function returns null.
field2-
Expression that can be null, a single value, or multiple values. If null, the function returns field1.
Returns the values that appear in the first field, except those that appear in the second. Returns null if the first expression is null (nothing to remove) or the value of the first field if the second is null.
| field1 | field2 | result |
|---|---|---|
| boolean | boolean | boolean |
| cartesian_point | cartesian_point | cartesian_point |
| cartesian_shape | cartesian_shape | cartesian_shape |
| date | date | date |
| date_nanos | date_nanos | date_nanos |
| double | double | double |
| flattened The Elastic Stack includes Elastic's core products such as Elasticsearch, Kibana, Logstash, and Beats. Availability Preview since 9.5 This functionality is in technical preview and is ready for evaluation. Use with caution in production; it is not recommended for mission-critical workloads. Elastic will work to fix any issues, but features in technical preview are not subject to the support SLA of official GA features. Specific Support terms apply. Unless stated otherwise on the page, this functionality is available when your Elastic Stack is deployed on Elastic Cloud Hosted, Elastic Cloud Enterprise, Elastic Cloud on Kubernetes, and self-managed environments. This documentation corresponds to the latest patch available for each minor version. If you're not using the latest patch, check the release notes for changes. | flattened The Elastic Stack includes Elastic's core products such as Elasticsearch, Kibana, Logstash, and Beats. Availability Preview since 9.5 This functionality is in technical preview and is ready for evaluation. Use with caution in production; it is not recommended for mission-critical workloads. Elastic will work to fix any issues, but features in technical preview are not subject to the support SLA of official GA features. Specific Support terms apply. Unless stated otherwise on the page, this functionality is available when your Elastic Stack is deployed on Elastic Cloud Hosted, Elastic Cloud Enterprise, Elastic Cloud on Kubernetes, and self-managed environments. This documentation corresponds to the latest patch available for each minor version. If you're not using the latest patch, check the release notes for changes. | flattened |
| geo_point | geo_point | geo_point |
| geo_shape | geo_shape | geo_shape |
| geohash | geohash | geohash |
| geohex | geohex | geohex |
| geotile | geotile | geotile |
| integer | integer | integer |
| ip | ip | ip |
| keyword | keyword | keyword |
| keyword | text | keyword |
| long | long | long |
| text | keyword | keyword |
| text | text | keyword |
| unsigned_long | unsigned_long | unsigned_long |
| version | version | version |
ROW values = ["a", "b", "c"], element = "a"
| EVAL result = mv_difference(values, element)
| values:keyword | element:keyword | result:keyword |
|---|---|---|
| [a, b, c] | a | [b, c] |