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OpenSearch/docs/reference/mapping/fields.asciidoc

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Migrated documentation into the main repo
2013-08-28 19:24:34 -04:00
[[mapping-fields]]
== Fields
Each mapping has a number of fields associated with it
which can be used to control how the document metadata
(eg <<mapping-all-field>>) is indexed.
include::fields/uid-field.asciidoc[]
include::fields/id-field.asciidoc[]
include::fields/type-field.asciidoc[]
include::fields/source-field.asciidoc[]
include::fields/all-field.asciidoc[]
include::fields/analyzer-field.asciidoc[]
include::fields/parent-field.asciidoc[]
Index field names of documents. The `exists` and `missing` filters need to merge postings lists of all existing terms, which can be very costly, especially on high-cardinality fields. This commit indexes the field names of a document under `_field_names` and reuses it to speed up the `exists` and `missing` filters. This is only enabled for indices that are created on or after Elasticsearch 1.3.0. Close #5659
2014-05-20 11:34:00 -04:00
include::fields/field-names-field.asciidoc[]
Migrated documentation into the main repo
2013-08-28 19:24:34 -04:00
include::fields/routing-field.asciidoc[]
include::fields/index-field.asciidoc[]
include::fields/size-field.asciidoc[]
include::fields/timestamp-field.asciidoc[]
include::fields/ttl-field.asciidoc[]