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5dbf36f356
* Issue search support elasticsearch * Fix lint * Add indexer name on app.ini * add a warnning on SearchIssuesByKeyword * improve code
164 lines
4.6 KiB
Go
Vendored
164 lines
4.6 KiB
Go
Vendored
// 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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// AutoDateHistogramAggregation is a multi-bucket aggregation similar to the
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// histogram except it can only be applied on date values, and the buckets num can bin pointed.
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// See: https://www.elastic.co/guide/en/elasticsearch/reference/7.3/search-aggregations-bucket-autodatehistogram-aggregation.html
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type AutoDateHistogramAggregation struct {
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field string
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script *Script
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missing interface{}
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subAggregations map[string]Aggregation
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meta map[string]interface{}
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buckets int
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minDocCount *int64
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timeZone string
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format string
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minimumInterval string
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}
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// NewAutoDateHistogramAggregation creates a new AutoDateHistogramAggregation.
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func NewAutoDateHistogramAggregation() *AutoDateHistogramAggregation {
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return &AutoDateHistogramAggregation{
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subAggregations: make(map[string]Aggregation),
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}
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}
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// Field on which the aggregation is processed.
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func (a *AutoDateHistogramAggregation) Field(field string) *AutoDateHistogramAggregation {
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a.field = field
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return a
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}
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// Script on which th
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func (a *AutoDateHistogramAggregation) Script(script *Script) *AutoDateHistogramAggregation {
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a.script = script
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return a
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}
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// Missing configures the value to use when documents miss a value.
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func (a *AutoDateHistogramAggregation) Missing(missing interface{}) *AutoDateHistogramAggregation {
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a.missing = missing
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return a
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}
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// SubAggregation sub aggregation
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func (a *AutoDateHistogramAggregation) SubAggregation(name string, subAggregation Aggregation) *AutoDateHistogramAggregation {
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a.subAggregations[name] = subAggregation
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return a
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}
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// Meta sets the meta data to be included in the aggregation response.
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func (a *AutoDateHistogramAggregation) Meta(metaData map[string]interface{}) *AutoDateHistogramAggregation {
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a.meta = metaData
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return a
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}
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// Buckets buckets num by which the aggregation gets processed.
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func (a *AutoDateHistogramAggregation) Buckets(buckets int) *AutoDateHistogramAggregation {
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a.buckets = buckets
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return a
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}
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// MinDocCount sets the minimum document count per bucket.
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// Buckets with less documents than this min value will not be returned.
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func (a *AutoDateHistogramAggregation) MinDocCount(minDocCount int64) *AutoDateHistogramAggregation {
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a.minDocCount = &minDocCount
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return a
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}
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// TimeZone sets the timezone in which to translate dates before computing buckets.
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func (a *AutoDateHistogramAggregation) TimeZone(timeZone string) *AutoDateHistogramAggregation {
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a.timeZone = timeZone
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return a
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}
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// Format sets the format to use for dates.
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func (a *AutoDateHistogramAggregation) Format(format string) *AutoDateHistogramAggregation {
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a.format = format
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return a
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}
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// MinimumInterval accepted units for minimum_interval are: year/month/day/hour/minute/second
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func (a *AutoDateHistogramAggregation) MinimumInterval(interval string) *AutoDateHistogramAggregation {
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a.minimumInterval = interval
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return a
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}
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// Source source for AutoDateHistogramAggregation
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func (a *AutoDateHistogramAggregation) Source() (interface{}, error) {
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// Example:
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// {
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// "aggs" : {
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// "articles_over_time" : {
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// "auto_date_histogram" : {
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// "field" : "date",
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// "buckets" : 10
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// }
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// }
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// }
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// }
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//
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// This method returns only the { "auto_date_histogram" : { ... } } part.
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source := make(map[string]interface{})
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opts := make(map[string]interface{})
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source["auto_date_histogram"] = opts
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// ValuesSourceAggregationBuilder
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if a.field != "" {
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opts["field"] = a.field
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}
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if a.script != nil {
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src, err := a.script.Source()
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if err != nil {
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return nil, err
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}
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opts["script"] = src
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}
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if a.missing != nil {
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opts["missing"] = a.missing
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}
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if a.buckets > 0 {
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opts["buckets"] = a.buckets
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}
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if a.minDocCount != nil {
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opts["min_doc_count"] = *a.minDocCount
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}
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if a.timeZone != "" {
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opts["time_zone"] = a.timeZone
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}
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if a.format != "" {
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opts["format"] = a.format
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}
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if a.minimumInterval != "" {
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opts["minimum_interval"] = a.minimumInterval
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}
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// AggregationBuilder (SubAggregations)
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if len(a.subAggregations) > 0 {
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aggsMap := make(map[string]interface{})
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source["aggregations"] = aggsMap
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for name, aggregate := range a.subAggregations {
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src, err := aggregate.Source()
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if err != nil {
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return nil, err
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}
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aggsMap[name] = src
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}
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}
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// Add Meta data if available
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if len(a.meta) > 0 {
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source["meta"] = a.meta
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}
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return source, nil
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}
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