javanna 46f99a11a0 Add append processor
The append processor allows to append one or more values to an existing list; add a new list with the provided values if the field doesn't exist yet, or convert an existing scalar into a list and add the provided values to the newly created  list.

This required adapting of IngestDocument#appendFieldValue behaviour, also added support for templating to it.

Closes #14324
2015-12-22 16:11:43 +01:00
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2015-10-22 15:00:35 -07:00
2015-02-28 17:19:55 +01:00
2015-12-22 16:11:43 +01:00
2015-11-23 13:15:22 +01:00
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The Elasticsearch docs are in AsciiDoc format and can be built using the Elasticsearch documentation build process

See: https://github.com/elastic/docs