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The `fielddata` field and the use of the `_name` field in the short syntax of the range query have been deprecated in 5.0 and can be removed. The same goes for the deprecated `score_mode` field in HasParentQueryBuilder, the deprecated `like_text`, `ids` and `docs` parameter in the `more_like_this` query, the deprecated query name in the short version of the `regexp` query, and several deprecated alternative field names in other query builders.
34 lines
867 B
Plaintext
34 lines
867 B
Plaintext
[[query-dsl-prefix-query]]
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=== Prefix Query
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Matches documents that have fields containing terms with a specified
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prefix (*not analyzed*). The prefix query maps to Lucene `PrefixQuery`.
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The following matches documents where the user field contains a term
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that starts with `ki`:
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[source,js]
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--------------------------------------------------
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GET /_search
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{ "query": {
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"prefix" : { "user" : "ki" }
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}
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}
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--------------------------------------------------
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// CONSOLE
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A boost can also be associated with the query:
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[source,js]
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--------------------------------------------------
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GET /_search
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{ "query": {
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"prefix" : { "user" : { "value" : "ki", "boost" : 2.0 } }
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}
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}
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--------------------------------------------------
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// CONSOLE
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This multi term query allows you to control how it gets rewritten using the
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<<query-dsl-multi-term-rewrite,rewrite>>
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parameter.
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