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256712640f
Adds a `ignore_like` parameter to the MLT Query, which simply tells the algorithm to skip all the terms from the given documents. This could be useful in order to better guide nearest neighbor search by telling the algorithm to never explore the space spanned by the given `ignore_like` docs. In essence we are interested about the characteristic of a given item, but not of the ones provided by `ignore_like`, thereby forcing the algorithm to go deeper in its selection of terms. Note that this is different than simply performing a must not boolean query on the unliked items. The syntax is exactly the same as the `like` parameter. Closes #8674
57 lines
1.1 KiB
YAML
57 lines
1.1 KiB
YAML
---
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"Basic mlt query with ignore like":
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- do:
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indices.create:
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index: test_1
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body:
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settings:
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number_of_replicas: 0
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- do:
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index:
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index: test_1
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type: test
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id: 1
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body: { foo: bar baz selected }
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- do:
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index:
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index: test_1
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type: test
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id: 2
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body: { foo: bar }
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- do:
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index:
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index: test_1
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type: test
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id: 3
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body: { foo: bar baz }
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- do:
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indices.refresh: {}
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- do:
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cluster.health:
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wait_for_status: green
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- do:
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search:
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index: test_1
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type: test
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body:
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query:
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more_like_this:
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like:
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_index: test_1
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_type: test
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_id: 1
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ignore_like:
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_index: test_1
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_type: test
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_id: 3
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include: true
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min_doc_freq: 0
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min_term_freq: 0
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- match: { hits.total: 1 }
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