59 lines
1.4 KiB
Plaintext
59 lines
1.4 KiB
Plaintext
[[painless-score-context]]
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=== Score context
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Use a Painless script in a
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{ref}/query-dsl-function-score-query.html[function score] to apply a new
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score to documents returned from 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 current document. For single-valued fields,
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the value can be accessed via `doc['fieldname'].value`. For multi-valued
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fields, this returns the first value; other values can be accessed
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via `doc['fieldname'].get(index)`
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`_score` (`double` read-only)::
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The similarity score of the current document.
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*Return*
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`double`::
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The score for the current document.
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*API*
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The standard <<painless-api-reference, Painless API>> is available.
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*Example*
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To run this example, first follow the steps in
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<<painless-context-examples, context examples>>.
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The following query finds all unsold seats, with lower 'row' values
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scored higher.
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[source,console]
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--------------------------------------------------
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GET /seats/_search
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{
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"query": {
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"function_score": {
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"query": {
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"match": {
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"sold": "false"
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}
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},
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"script_score": {
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"script": {
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"source": "1.0 / doc['row'].value"
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}
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}
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}
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}
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}
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--------------------------------------------------
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// TEST[setup:seats] |