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Uppercase processor

Converts a string to its uppercase equivalent. If the field is an array of strings, all members of the array will be converted.

Name Required Default Description
field yes - The field to make uppercase
target_field no field The field to assign the converted value to, by default field is updated in-place
ignore_missing no false If true and field does not exist or is null, the processor quietly exits without modifying the document
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.
{
  "uppercase": {
    "field": "foo"
  }
}