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53 lines
1.6 KiB
Go
53 lines
1.6 KiB
Go
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// Copyright 2012-present Oliver Eilhard. All rights reserved.
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// Use of this source code is governed by a MIT-license.
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// See http://olivere.mit-license.org/license.txt for details.
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package elastic
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// IntervalQueryRule represents the generic matching interval rule interface.
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// Interval Rule is actually just a Query, but may be used only inside
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// IntervalQuery. An extra method is added just to shield its
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// implementations (*Rule objects) from other query objects.
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//
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// See https://www.elastic.co/guide/en/elasticsearch/reference/7.5/query-dsl-intervals-query.html
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// for details.
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type IntervalQueryRule interface {
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Query
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// isIntervalQueryRule is never actually called, and is used just for Rule to
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// differ from standard Query.
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isIntervalQueryRule() bool
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}
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// IntervalQuery returns documents based on the order and proximity of matching terms.
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//
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// For more details, see
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// https://www.elastic.co/guide/en/elasticsearch/reference/7.5/query-dsl-intervals-query.html
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type IntervalQuery struct {
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field string
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rule IntervalQueryRule
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}
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// NewIntervalQuery creates and initializes a new IntervalQuery.
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func NewIntervalQuery(field string, rule IntervalQueryRule) *IntervalQuery {
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return &IntervalQuery{field: field, rule: rule}
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}
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// Source returns JSON for the function score query.
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func (q *IntervalQuery) Source() (interface{}, error) {
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// {
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// "intervals" : { ... }
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// }
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source := make(map[string]interface{})
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params := make(map[string]interface{})
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source["intervals"] = params
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src, err := q.rule.Source()
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if err != nil {
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return nil, err
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}
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params[q.field] = src
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return source, nil
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}
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