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set properties for custom fields in search index

  • set properties for custom fields in search index
  • Hi,

    It seems that all fields that are pushed to be indexed in a back-end search engine are tokenised. I would like one of my custom fields to be non-tokenised by elasticsearch.

    This is a standard feature of elasticsearch and is determined by setting a value of "not_analyzed" on the "index" property for the field. However the index propertyfor a field must be specified either when the index is created, or before any documents have been indexed. Sitefinity is responsible for the creation of the index, and I do not see any handle to customise properties of custom fields. They are all created with a type of "string" and default values for all other properties.

    Is there a way to customise how Sitefinity creates a new index in Elasticsearch, or to change a property of a custom field?

    At the moment, my solution is a manual process. When  using the "re-index" action on an existing index (under "Administration" -> "Search indexes"), which forces the deletion and re-creation of an index in elasticsearch, there is then a window of a few seconds before any documents are pushed in which I can run a command directly on the elasticsearch service to customise my fields -

    curl -XPOST localhost:9200/myindex/_mapping -d'"properties":"myCustomField":"type":"string","index":"not_analyzed",'

    It does work, but it would be much better to have this handled automatically by Sitefinity when it creates the index.