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WARNING: Version 5.1 of Elasticsearch has passed its EOL date.

This documentation is no longer being maintained and may be removed. If you are running this version, we strongly advise you to upgrade. For the latest information, see the current release documentation.

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Elastic Docs ›Elasticsearch Guide [5.1] ›Ingest Node ›Processors

Uppercase Processor

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Uppercase Processor

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Converts a string to its uppercase equivalent.

Table 32. Uppercase Options

Name Required Default Description

field

yes

-

The field to make uppercase

ignore_missing

no

false

If true and field does not exist or is null, the processor quietly exits without modifying the document

 
{
  "uppercase": {
    "field": "foo"
  }
}
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