Join processor
Joins each element of an array into a single string using a separator character between each element. Throws an error when the field is not an array.
| Name | Required | Default | Description |
|---|---|---|---|
field |
yes | - | Field containing array values to join |
separator |
yes | - | The separator character |
target_field |
no | field |
The field to assign the joined value to, by default field is updated in-place |
description |
no | - | Description of the processor. Useful for describing the purpose of the processor or its configuration. |
if |
no | - | Conditionally execute the processor. See Conditionally run a processor. |
ignore_failure |
no | false |
Ignore failures for the processor. See Handling pipeline failures. |
on_failure |
no | - | Handle failures for the processor. See Handling pipeline failures. |
tag |
no | - | Identifier for the processor. Useful for debugging and metrics. |
{
"join": {
"field": "joined_array_field",
"separator": "-"
}
}