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d6c53e03d2
Improvement includes: 1. Remove reference to Lucene queries (this information is not necessary for Elastic users, and can be outdated) 2. For `span_field_masking` include a node to use "require_field_match" : false parameter for highlighters to work. Closes #101804
49 lines
1.6 KiB
Text
49 lines
1.6 KiB
Text
[[query-dsl-span-not-query]]
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=== Span not query
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++++
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<titleabbrev>Span not</titleabbrev>
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++++
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Removes matches which overlap with another span query or which are
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within x tokens before (controlled by the parameter `pre`) or y tokens
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after (controlled by the parameter `post`) another SpanQuery.
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Here is an example:
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[source,console]
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--------------------------------------------------
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GET /_search
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{
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"query": {
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"span_not": {
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"include": {
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"span_term": { "field1": "hoya" }
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},
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"exclude": {
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"span_near": {
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"clauses": [
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{ "span_term": { "field1": "la" } },
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{ "span_term": { "field1": "hoya" } }
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],
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"slop": 0,
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"in_order": true
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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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The `include` and `exclude` clauses can be any span type query. The
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`include` clause is the span query whose matches are filtered, and the
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`exclude` clause is the span query whose matches must not overlap those
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returned.
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In the above example all documents with the term hoya are filtered except the ones that have 'la' preceding them.
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Other top level options:
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[horizontal]
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`pre`:: If set the amount of tokens before the include span can't have overlap with the exclude span. Defaults to 0.
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`post`:: If set the amount of tokens after the include span can't have overlap with the exclude span. Defaults to 0.
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`dist`:: If set the amount of tokens from within the include span can't have overlap with the exclude span. Equivalent
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of setting both `pre` and `post`.
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