原文地址: https://www.elastic.co/guide/en/elasticsearch/reference/7.7/trim-processor.html, 原文档版权归 www.elastic.co 所有
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Elasticsearch Guide [7.7] » Ingest node » Processors » Trim Processor
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Trim Processoredit

Trims whitespace from field. If the field is an array of strings, all members of the array will be trimmed.

This only works on leading and trailing whitespace.

Table 65. Trim Options

Name Required Default Description

field

yes

-

The string-valued field to trim whitespace from

target_field

no

field

The field to assign the trimmed value to, by default field is updated in-place

ignore_missing

no

false

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

if

no

-

Conditionally execute this processor.

on_failure

no

-

Handle failures for this processor. See Handling Failures in Pipelines.

ignore_failure

no

false

Ignore failures for this processor. See Handling Failures in Pipelines.

tag

no

-

An identifier for this processor. Useful for debugging and metrics.

 
{
  "trim": {
    "field": "foo"
  }
}
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