We're relatively new to ES and discovered that after indexing some data, fields that are of type text now have a sub-field 'keyword' of type 'keyword'. Is this there to allow aggregation or other searches that are not allowed on text fields? If so, and if we are starting our project from scratch, …

Is this there to allow aggregation or other searches that are not allowed on text fields? Yes. Aggs and Sorting most of the time. Basically if you want to run full text search on a field where scoring is important for example, or using fuzzy queries, then use a text field. If you need to comput…

thanks! where is this documented? I can't find an explanation of that for 6.2

Keyword field that is automatically appended to text field?

Elastic Stack Elasticsearch

dadoonet (David Pilato) May 3, 2018, 5:26am 4

There: https://www.elastic.co/guide/en/elasticsearch/reference/6.2/keyword.html

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Keyword field that is automatically appended to text field?

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