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222652dfce
This commit removes the use of SearchScript for script fields and adds a new FieldScript.
29 lines
785 B
Plaintext
29 lines
785 B
Plaintext
[[painless-field-context]]
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=== Field context
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Use a Painless script to create a
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{ref}/search-request-script-fields.html[script field] to return
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a customized value for each document in the results of a query.
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*Variables*
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`params` (`Map`, read-only)::
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User-defined parameters passed in as part of the query.
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`doc` (`Map`, read-only)::
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Contains the fields of the specified document where each field is a
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`List` of values.
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{ref}/mapping-source-field.html[`params['_source']`] (`Map`, read-only)::
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Contains extracted JSON in a `Map` and `List` structure for the fields
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existing in a stored document.
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*Return*
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`Object`::
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The customized value for each document.
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*API*
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The standard <<painless-api-reference, Painless API>> is available.
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