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e29492ce94
Meta fields were locked down to not allow exotic options to the underlying field types in #8143. This change fixes the docs to no longer refer to the old settings. closes #10879
7 lines
252 B
Plaintext
7 lines
252 B
Plaintext
[[mapping-field-names-field]]
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=== `_field_names`
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The `_field_names` field indexes the field names of a document, which can later
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be used to search for documents based on the fields that they contain typically
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using the `exists` and `missing` filters.
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